4.0g Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L.. Add components, except glucose solution, Na2S·9H2O solution, and Wolfe’s mineral soluti
Trang 1Costein’s LDS Test Medium 455
Bovine serum 100.0mL
Nystatin solution 1.15mL
L-Cystine (1% solution) 1.0mL
Egg yolk emulsion 10 eggs
pH 7.4 ± 0.2 at 25°C
Solution A:
Compositionper liter:
Meat extract 9.0g
Proteose peptone No 3 9.0g
NaCl 2.7g
Glucose 1.8g
Na2HPO4·12H2O 1.8g
K2TeO3 (2% solution) 75.0mL
L-Cystine (1% solution) 10.0mL
Caution: Potassium tellurite is toxic
Preparation of Solution A: Add components to distilled/deionized
water and bring volume to 985.0mL Mix thoroughly Filter sterilize
Egg Yolk Emulsion:
Composition:
Chicken egg yolks 9
Whole chicken egg 1
Preparation of Egg Yolk Emulsion: Soak eggs with 1:100
dilu-tion of saturated mercuric chloride soludilu-tion for 1 min Crack eggs and
separate yolks from whites Mix egg yolks with 1 chicken egg Filter
sterilize
Nystatin Solution:
Compositionper 10.0mL:
Nystatin 10,000U
Preparation of Nystatin Solution: Add nystatin to
distilled/de-ionized water and bring volume to 10.0mL Mix thoroughly Filter
ster-ilize
L -Cystine Solution:
Compositionper 10.0mL:
L-Cystine 0.1g
Preparation of L -Cystine Solution: Add L-cystine to
distilled/de-ionized water and bring volume to 10.0mL Mix thoroughly Filter
ster-ilize
Preparation of Medium: To 985.0mL of sterile solution A,
asepti-cally add the remaining components Mix thoroughly Aseptiasepti-cally
dis-tribute into sterile tubes in 2.0–3.0mL volumes
Use: For the isolation and cultivation of Corynebacterium
diphthe-riae.
Corynebacterium Medium with Blood
(DSMZ Medium 240) Compositionper liter:
Agar 15.0g
Casein peptone, tryptic digest 10.0g
Yeast extract 5.0g
Glucose 5.0g
NaCl 5.0g
Distilled water 1000.0mL
Sheep or horse blood, defibrinated 50.0mL
pH 7.3 ± 0.2 at 25°C
Preparation of Medium: Add components, except sheep or horse
blood, to distilled/deionized water and bring volume to 950.0mL Mix
thoroughly Gently heat and bring to boiling Autoclave for 15 min at
15 psi pressure–121°C Cool to 45°–50°C Aseptically add sterile sheep or horse blood Mix thoroughly Pour into sterile Petri dishes or distribute into sterile tubes
Use: For the cultivation of Streptococcus alactolyticus, Corynebacte-rium spp., Desemzia incerta=BrevibacteCorynebacte-rium incertum, and Moraxella bovis.
Corynebacterium Medium CII
Compositionper liter:
CaCO3 20.0g Agar 15.0g Sucrose 10.0g Yeast extract 4.0g
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the cultivation of Clavibacter michiganensis.
Corynebacterium Medium with Salt
(DSMZ Medium 229) Compositionper liter:
NaCl 65.0g Agar 15.0g Casein peptone, tryptic digest 10.0g Yeast extract 5.0g Glucose 5.0g
pH 7.3 ± 0.2 at 25°C
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the cultivation and maintenance of Nesterenkonia halo-bia=Micrococcus halobius.
Costein’s LDS Test Medium Composition per liter:
Meat peptone 4.5g Papaic digest of soybean meal 2.0g Yeast extract 3.0g NaCl 5.0g
D-Glucose 1.0g
L-Lysine monohydrochloride 10.0g
Na2S2O3 0.2g Fe(NH4)2(SO4)2·6H2O 0.2g Bromocresol Purple 0.032 Agar 6.0g
pH 5.6 ± 0.2 at 25°C
Source: This medium is available from HiMedia
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Distribute into tubes Overlay with viscous parrafin Autoclave for 15 min at 15 psi pressure– 121°C Allow tubes to solidify in a vertical position
Use: For the identification of members of Enterobacteriaceae on the basis of lysine decarboxylase and hydrogen sulfide production
Trang 2456 Cow Manure Agar
Cow Manure Agar Compositionper liter:
Cow manure 50.0g
Agar 15.0g
Preparation of Medium: Add cow manure to tap water and bring
volume to 1.0L Gently heat and bring to boiling Boil for 1 hr Filter
through cheesecloth Filter through Whatman filter paper Bring volume to
1.0L with tap water Add agar Mix thoroughly Gently heat and bring to
boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi
pres-sure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the cultivation of Streptomyces species.
CP Medium Compositionper liter:
Peptone 2.5g
Starch 2.0g
NaNO3 0.38g
Tris(hydroxymethyl)aminomethane buffer 0.25g
K2HPO4 0.038g
MgSO4·7H2O 0.038g
CaCl2·2H2O 0.017g
NaCl 0.013g
TC vitamins minimal eagle, 100X 5.0mL
Solution 1 1.0mL
Solution 2 1.0mL
Solution 3 1.0mL
Solution 4 1.0mL
Vitamin B12 solution 0.2mL
pH 8.7 ± 0.2 at 25°C
TC Vitamins Minimal Eagle 100X:
Compositionper liter:
Inositol 2.0mg
Choline chloride 1.0mg
Folic acid 1.0mg
Nicotinamide 1.0mg
Calcium pantothenate 1.0mg
Pyridoxal 1.0mg
Thiamine·HCl 1.0mg
Riboflavin 0.1mg
Preparation of TC Vitamins Minimal Eagle, 100X: Add
com-ponents to distilled/deionized water and bring volume to 1.0L Mix
thoroughly Filter sterilize
Solution 1:
Compositionper 100.0mL:
EDTA 5.0g
KOH 3.1g
Preparation of Solution 1: Add components to distilled/deionized
water and bring volume to 100.0mL Mix thoroughly
Solution 2:
Compositionper liter:
FeSO4·7H2O 4.98g
Preparation of Solution 2: Add FeSO4·7H2O to distilled/deionized
water acidified with 1.0mL of H2SO4 Bring volume to 1.0L Mix
thor-oughly
Solution 3:
Compositionper 100.0mL:
H3BO3 1.14g
Preparation of Solution 3: Add H3BO3 to distilled/deionized water and bring volume to 100.0mL Mix thoroughly
Solution 4:
Compositionper 100.0mL:
ZnSO4·7H2O 0.88g MnCl2·4H2O 0.144g MoO3 0.071g CoNO3·6H2O 0.049g CuSO4·5H2O 0.016g
Preparation of Solution 4: Add components to distilled/deionized water and bring volume to 100.0mL Mix thoroughly
Vitamin B 12 Solution Compositionper 10.0mL:
Vitamin B12 10.0mg
Preparation of Vitamin B 12 Solution: Add vitamin B12 to dis-tilled/deionized water and bring volume to 10.0mL Mix thoroughly Filter sterilize
Preparation of Medium: Add components, except for vitamin so-lutions, to distilled/deionized water and bring volume to 995.0mL Mix thoroughly Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C Aseptically add vitamin solutions Mix thorough-ly
Use: For the cultivation of Lysobacter species
CP Medium for Coprothermobacter proteolyticus
Compositionper 1010.0mL:
NaHCO3 8.4g Pancreatic digest of casein 2.0g Yeast extract 2.0g MgCl2·6H2O 1.0g
NH4Cl 1.0g CaCl2·2H2O 0.4g
K2HPO4·3H2O 0.4g Resazurin 0.5mg Gelatin solution 100.0mL
Na2S·9H2O solution 10.0mL Wolfe’s mineral solution 10.0mL
pH 7.0 ± 0.2 at 25°C
Gelatin Solution:
Compositionper 100.0mL:
Gelatin 3.0g
Preparation of Gelatin Solution: Add gelatin to distilled/deion-ized water and bring volume to 100.0mL Mix thoroughly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Na 2 S·9H 2 O Solution:
Compositionper 10.0mL:
Na2S·9H2O 0.5g
Preparation of Na 2 S·9H 2 O Solution: Add Na2S·9H2O to dis-tilled/deionized water and bring volume to 10.0mL Mix thoroughly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C Before use, neutralize to pH 7.0 with sterile HCl
Wolfe’s Mineral Solution:
Compositionper liter:
MgSO4·7H2O 3.0g Nitrilotriacetic acid 1.5g NaCl 1.0g MnSO4·2H2O 0.5g
Trang 3CPC Agar Base with Cellobiose, Colistin, and Polymyxin B 457
CoCl2·6H2O 0.1g
ZnSO4·7H2O 0.1g
CaCl2·2H2O 0.1g
FeSO4·7H2O 0.1g
NiCl2·6H2O 0.025g
KAl(SO4)2·12H2O 0.02g
CuSO4·5H2O 0.01g
H3BO3 0.01g
Na2MoO4·2H2O 0.01g
Na2SeO3·5H2O 0.3mg
Preparation of Wolfe’s Mineral Solution: Add nitrilotriacetic
acid to 500.0mL of distilled/deionized water Adjust pH to 6.5 with
KOH Add remaining components Add distilled/deionized water to
1.0L Adjust pH to 6.8
Preparation of Medium: Prepare medium anaerobically under
100% CO2 Add components, except gelatin solution, Na2S·9H2O
so-lution, and Wolfe’s mineral soso-lution, to distilled/deionized water and
bring volume to 880.0mL Mix thoroughly Gently heat and bring to
boiling Cool to room temperature while sparging with 100% CO2
Sparge with 100% CO2 for 20 min Adjust pH to 7.0 Autoclave for
15 min at 15 psi pressure–121°C Aseptically and anaerobically add
100.0mL of sterile gelatin solution, 10.0mL of sterile Na2S·9H2O
so-lution, and 10.0mL of sterile Wolfe’s mineral solution to each tube
Mix thoroughly
Use: For the cultivation of Coprothermobacter proteolyticus.
CP Medium for Thermobacteroides leptospartum
Compositionper 1010.0mL:
NaHCO3 8.4g
Pancreatic digest of casein 2.0g
Yeast extract 2.0g
MgCl2·6H2O 1.0g
NH4Cl 1.0g
CaCl2·2H2O 0.4g
K2HPO4·3H2O 0.4g
Resazurin 0.5mg
Glucose solution 100.0mL
Na2S·9H2O solution 10.0mL
Wolfe’s mineral solution 10.0mL
pH 7.0 ± 0.2 at 25°C
Glucose Solution:
Compositionper 100.0mL:
D-Glucose 5.0g
Preparation of Glucose Solution: Add glucose to
distilled/deion-ized water and bring volume to 100.0mL Mix thoroughly Sparge with
100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Na 2 S·9H 2 O Solution:
Compositionper 10.0mL:
Na2S·9H2O 0.5g
Preparation of Na 2 S·9H 2 O Solution: Add Na2S·9H2O to
dis-tilled/deionized water and bring volume to 10.0mL Mix thoroughly
Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Before use, neutralize to pH 7.0 with sterile HCl
Wolfe’s Mineral Solution:
Compositionper liter:
MgSO4·7H2O 3.0g
Nitrilotriacetic acid 1.5g
NaCl 1.0g
MnSO4·2H2O 0.5g CoCl2·6H2O 0.1g ZnSO4·7H2O 0.1g CaCl2·2H2O 0.1g FeSO4·7H2O 0.1g NiCl2·6H2O 0.025g KAl(SO4)2·12H2O 0.02g CuSO4·5H2O 0.01g
H3BO3 0.01g
Na2MoO4·2H2O 0.01g
Na2SeO3·5H2O 0.3mg
Preparation of Wolfe’s Mineral Solution: Add nitrilotriacetic acid to 500.0mL of distilled/deionized water Adjust pH to 6.5 with KOH Add remaining components Add distilled/deionized water to 1.0L Adjust pH to 6.8
Preparation of Medium: Prepare medium anaerobically under 100%
CO2 Add components, except glucose solution, Na2S·9H2O solution, and Wolfe’s mineral solution, to distilled/deionized water and bring volume to 880.0mL Mix thoroughly Gently heat and bring to boiling Cool to room temperature while sparging with 100% CO2 Sparge with 100% CO2 for
20 min Adjust pH to 7.0 Autoclave for 15 min at 15 psi pressure–121°C Aseptically and anaerobically add 100.0mL of sterile glucose solution, 10.0mL of sterile Na2S·9H2O solution, and 10.0mL of sterile Wolfe’s min-eral solution to each tube Mix thoroughly
Use: For the cultivation of Thermobacteroides leptospartum.
CPC Agar
See: Cellobiose Polymyxin Colistin Agar
CPC Agar Base with Cellobiose, Colistin, and Polymyxin B Compositionper liter:
NaCl 20.0g Agar 15.0g Cellobiose 15.0g Peptic digest of animal tissue 10.0g Beef extract 5.0g Bromthymol Blue 0.04g Cresol Red 0.04g Cellobiose colistin polymyxin B solution 100.0mL
pH 7.6 ± 0.2 at 25°C
Source: This medium, without cellobiose colistin polymyxin B solu-tion, is available as a premixed powder from HiMedia
Cellobiose Colistin Polymyxin B Solution:
Compositionper 100.0mL:
Cellobiose 15.0g Colistin 1,360,000U Polymyxin B 100,000U
Preparation of Cellobiose Colistin Polymyxin B Solution:
Add components to distilled/deionized water and bring volume to 100.0mL Mix thoroughly Filter sterilize
Preparation of Medium: Add components, except cellobiose co-listin polymyxin B solution, to tap water and bring volume to 1.0L Mix thoroughly Distribute into tubes or flasks Autoclave for 15 min
at 15 psi pressure–121°C Aseptically add 100.0mL of sterile
cellobio-se colistin polymyxin B solution to 900.0 mL of the cooled agar bacellobio-se Mix thoroughly Pour into sterile Petri dishes Use within 7 days
Trang 4458 CPC HiVeg Agar Base with Cellobiose, Colistin, and Polymyxin B
Use: For the cultivation and identification of Vibrio species from
foods
CPC HiVeg Agar Base with Cellobiose, Colistin, and Polymyxin B
Compositionper liter:
NaCl 20.0g
Agar 15.0g
Cellobiose 15.0g
Plant peptone 10.0g
Plant extract 5.0g
Bromthymol Blue 0.04g
Cresol Red 0.04g
Cellobiose colistin polymyxin B solution 100.0mL
pH 7.6 ± 0.2 at 25°C
Source: This medium, without cellobiose colistin polymyxin B
solu-tion, is available as a premixed powder from HiMedia
Cellobiose Colistin Polymyxin B Solution:
Compositionper 100.0mL:
Cellobiose 15.0g
Colistin 1,360,000U
Polymyxin B 100,000U
Preparation of Cellobiose Colistin Polymyxin B Solution:
Add components to distilled/deionized water and bring volume to
100.0mL Mix thoroughly Filter sterilize
Preparation of Medium: Add components, except cellobiose
co-listin polymyxin B solution, to tap water and bring volume to 1.0L
Mix thoroughly Distribute into tubes or flasks Autoclave for 15 min
at 15 psi pressure–121°C Aseptically add 100.0mL of sterile
cellobio-se colistin polymyxin B solution to 900.0 mL of the cooled agar bacellobio-se
Mix thoroughly Pour into sterile Petri dishes Use within 7 days
Use: For the cultivation and identification of Vibrio species from
foods
CPC Medium Compositionper liter:
Sucrose 30.0g
Peptone 2.0g
Casein hydrolysate 1.0g
K2HPO4·3H2O 1.0g
KCl 0.5g
MgSO4·7H2O 0.5g
FeSO4·7H2O 0.1g
pH 7.2 ± 0.2 at 25°C
Preparation of Medium: Add components to tap water and bring
volume to 1.0L Mix thoroughly Distribute into tubes or flasks
Auto-clave for 15 min at 15 psi pressure–121°C
Use: For the cultivation of Actinoplanes species.
CR Agar
See: Congo Red Agar
Craig’s Medium Composition per liter:
Casein acid hydrolysate 30.0g
Yeast extract 4.0g
K2HPO4 0.5g Glucose solution 20.0mL
pH 7.2 ± 0.2 at 25°C
Source: This medium is available from HiMedia
Glucose Solution:
Compositionper 100.0mL:
Glucose 20.0g
Preparation of Glucose Solution: Add glucose to distilled/deion-ized water and bring volume to 100.0mL Mix thoroughly Filter ster-ilize
Preparation of Medium: Add components, except glucose solu-tion, to distilled/deionized water and bring volume to 980.0mL Mix thoroughly Autoclave for 15 min at 15 psi pressure–121°C Cool to 50°C Aseptically add glucose solution Mix thoroughly Aseptically distribute into sterile tubes
Use: For the enrichment and cultivation of Vibrio cholerae during
test-ing of enterotoxigenicity
CRAMP Agar
See: Congo Red Acid Morpholinepropanesulfonic Acid
Pigmentation Agar
CRAMP HiVeg Agar Base Compositionper liter:
Agarose 14.0g Morpholine propane sulfonic acid 8.4g Tricine 1.8g NaCl 2.9g Galactose 2.0g Plant acid hydrolysate 2.0g
Na2S2O3 0.6g
NH4Cl 0.5g
K2HPO4 0.24g MgSO4 0.0986g Congo Red 0.005g
pH 5.3 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from Hi-Media
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Adjust pH to 5.3 Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the cultivation of Yersinia species with plasmids.
CREA (Creatine Agar) Compositionper liter:
Sucrose 30.0g Agar 15.0g Creatine·H2O 3.0g
K3P04·7H2O 1.6g Bromcresol Purple 50.0mg Minerals solution 10.0mL Trace minerals solution 1.0mL
Trang 5Creatinine/NMH Medium 459
Minerals Solution:
Compositionper 100.0mL:
KCl 5.0g
MgSO4·7H2O 5.0g
FeSO4·7H2O 0.1g
Preparation of Minerals Solution: Add components to distilled/
deionized water and bring volume to 100.0mL Mix thoroughly
Trace Minerals Solution:
Compositionper 100.0mL:
ZnS04·7H2O 1.0g
CuSO4·5H2O 0.5g
Preparation of Trace Minerals Solution: Add components to
distilled/deionized water and bring volume to 100.0mL Mix
thorough-ly
Preparation of Medium: Add components to distilled/deionized
water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15
psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the cultivation and maintenance of Penicillium species
Creatinine Agar Compositionper liter:
Agar 15.0g
Na2HPO4·12H2O 9.0g
NaCl 5.0g
KH2PO4 1.5g
Creatinine 1.0g
Meat extract 1.0g
Yeast extract 1.0g
MgSO4·7H2O 0.2g
MnCl2·4H2O 20.0mg
CaCl2 1.2mg
Glucose solution 100.0mL
Glucose Solution:
Compositionper 100.0mL:
Glucose 5.0g
Preparation of Glucose Solution: Add glucose to
distilled/deion-ized water and bring volume to 100.0mL Mix thoroughly Filter
ster-ilize Warm to 50°C
Preparation of Medium: Add components, except glucose
solu-tion, to distilled/deionized water and bring volume to 900.0mL Mix
thoroughly Gently heat and bring to boiling Autoclave for 15 min at
15 psi pressure–121°C Cool to 50°–55°C Aseptically add 100.0mL of
sterile glucose solution Mix thoroughly Pour into sterile Petri dishes
or distribute into sterile tubes
Use: For the cultivation and maintenance of Pseudomonas species
and other bacteria that can utilize creatinine
Creatinine Medium Compositionper liter:
Creatinine 5.0g
Agar 2.0g
Fumaric acid 2.0g
K2HPO4 2.0g
Yeast extract 1.0g
Salt solution 10.0mL
pH 6.8 ± 0.2 at 25°C
Salt Solution:
Compositionper liter:
MgSO4 12.2g FeSO4·7H2O 2.8g MnSO4·H2O 1.7g CaCl2·2H2O 0.76g NaCl 0.6g
Na2MoO4·2H2O 0.1g ZnSO4·7H2O 0.06g
HCl (0.1N solution) 1.0L
Preparation of Salt Solution: Dissolve salts in 1.0L of 0.1N HCl
solution Mix thoroughly
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Adjust pH to 6.8 with NaOH or KOH Gently heat until boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C
Use: For the cultivation and maintenance of Pseudomonas species
Creatinine Medium (LMG 107) Compositionper liter:
Creatinine 5.0g Fumaric acid 2.0g
K2HPO4 2.0g Yeast extract 1.0g Salt solution 10.0mL
pH 6.8 ± 0.2 at 25°C
Salt Solution:
Compositionper liter:
MgSO4·7H2O 25.0g FeSO4·7H2O 2.8g MnSO4·H2O 1.7g CaCl2·2H2O 0.76g NaCl 0.6g
Na2MoO4·2H2O 0.1g ZnSO4·7H2O 60.0mg
HCl (0.1M solution) 1.0L
Preparation of Salt Solution: Add components to distilled/deion-ized water and bring volume to 1.0L Mix thoroughly
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Distribute into tubes
or flasks Autoclave for 15 min at 15 psi pressure–121°C
Use: For the cultivation and maintenance of Flavobacterium filamen-tosum
Creatinine/NMH Medium Compositionper 1100.0mL:
Yeast extract 5.0g NaCl 1.0g NaHCO3 1.0g MgSO4·7H2O 0.5g
Na2S·9H2O 0.5g MnCl2·4H2O 0.06g CaSO4·2H2O 0.05g FeSO4·7H2O 0.01g
Na2SeO3·5H2O 26.0μg Vitamin B12 20.0μg Resazurin 1.0mg
Trang 6460 CreDm1 Medium
Phosphate solution 100.0mL
Creatinine solution 100.0mL
Trace elements solution SL-4 10.0mL
Vitamin solution 10.0mL
L-Cysteine·HCl solution 10.0mL
Na2S·9H2O solution 10.0mL
pH 7.0 ± 0.2 at 25°C
Phosphate Solution:
Compositionper 100.0mL:
K2HPO4 5.33g
KH2PO4 2.64g
Preparation of Phosphate Solution: Add components to
dis-tilled/deionized water and bring volume to 100.0mL Mix thoroughly
Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Creatinine Solution:
Compositionper 100.0mL:
Creatinine 5.5g
Preparation of Creatinine Solution: Add creatinine to distilled/
deionized water and bring volume to 100.0mL Mix thoroughly Sparge
with 100% N2 Filter sterilize
Trace Elements Solution SL-4:
Compositionper liter:
EDTA 0.5g
FeSO4·7H2O 0.2g
Trace elements solution SL-6 100.0mL
Trace Elements Solution SL-6:
Compositionper liter:
MnCl2·4H2O 0.5g
H3BO3 0.3g
CoCl2·6H2O 0.2g
ZnSO4·7H2O 0.1g
Na2MoO4·2H2O 0.03g
NiCl2·6H2O 0.02g
CuCl2·2H2O 0.01g
Preparation of Trace Elements Solution SL-6: Add components
to distilled/deionized water and bring volume to 1.0L Mix thoroughly
Preparation of Trace Elements Solution SL-4: Add components
to distilled/deionized water and bring volume to 1.0L Mix thoroughly
Vitamin Solution:
Compositionper liter:
Pyridoxine·HCl 10.0mg
Calcium DL-pantothenate 5.0mg
Lipoic acid 5.0mg
Nicotinic acid 5.0mg
p-Aminobenzoic acid 5.0mg
Riboflavin 5.0mg
Thiamine·HCl 5.0mg
Biotin 2.0mg
Folic acid 2.0mg
Vitamin B12 0.1mg
Preparation of Vitamin Solution : Add components to distilled/
deionized water and bring volume to 1.0L Mix thoroughly
L -Cysteine·HCl Solution:
Compositionper 10.0mL:
L-Cysteine·HCl 0.5g
Preparation of L -Cysteine·HCl Solution: Add L-cysteine·HCl to
distilled/deionized water and bring volume to 10.0mL Mix
thorough-ly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure– 121°C
Na 2 S·9H 2 O Solution:
Compositionper 10.0mL:
Na2S·9H2O 0.5g
Preparation of Na 2 S·9H 2 O Solution: Add Na2S·9H2O to dis-tilled/deionized water and bring volume to 10.0mL Mix thoroughly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Preparation of Medium: Add components, except creatinine solu-tion, phosphate solusolu-tion, L-cysteine·HCl solution, and Na2S·9H2O so-lution, to distilled/deionized water and bring volume to 880.0mL Mix thoroughly Adjust pH to 7.0 Autoclave for 15 min at 15 psi pressure– 121°C Aseptically and anaerobically add 100.0mL of sterile phos-phate solution, 10.0mL of sterile L-cysteine·HCl solution, and 10.0mL
of sterile Na2S·9H2O solution Immediately prior to use, aseptically and anaerobically add 100.0mL of sterile creatinine solution Mix thor-oughly Aseptically and anaerobically distribute into tubes or bottles
Use: For the cultivation and maintenance of Clostridium species
CreDm1 Medium Compositionper 1002.0mL:
Solution A 980.0mL Solution D (Vitamin solution) 10.0mL Solution E 10.0mL Solution B (Trace elements solution SL-10) 1.0mL Solution C (Selentite-tungstate solution) 1.0mL
pH 6.7–6.9 at 25°C
Solution A:
Compositionper 980.0mL:
KH2PO4 1.4g
NH4Cl 0.5g MgCl2·6H2O 0.2g CaCl2·2H2O 0.15g Yeast extract 50.0mg
Preparation of Solution A : Add components to distilled/deionized
water and bring volume to 980.0mL Mix thoroughly Autoclave for 15 min at 15 psi pressure–121°C
Solution B (Trace Elements Solution SL-10):
Compositionper liter:
FeCl2·4H2O 1.5g CoCl2·6H2O 190.0mg MnCl2·4H2O 100.0mg ZnCl2 70.0mg
Na2MoO4·2H2O 36.0mg NiCl2·6H2O 24.0mg
H3BO3 6.0mg CuCl2·2H2O 2.0mg HCl (25% solution) 10.0mL
Preparation of Solution B (Trace Elements Solution SL-10):
Add FeCl2·4H2O to 10.0mL of HCl solution Mix thoroughly Add dis-tilled/deionized water and bring volume to 1.0L Add remaining com-ponents Mix thoroughly Autoclave for 15 min at 15 psi pressure– 121°C
Solution C (Selenite-Tungstate Solution):
Compositionper liter:
NaOH 0.5g
Na2WO4·2H2O 4.0mg
Na2SeO3·5H2O 3.0mg
Trang 7Cryptoanaerobacter Medium 461
Preparation of Solution C (Selenite-Tungstate Solution):
Add components to distilled/deionized water and bring volume to
1.0L Mix thoroughly Autoclave for 15 min at 15 psi pressure–121°C
Solution D (Vitamin Solution):
Compositionper liter:
Pyridoxine·HCl 10.0mg
Calcium DL-pantothenate 5.0mg
Lipoic acid 5.0mg
Nicotinic acid 5.0mg
p-Aminobenzoic acid 5.0mg
Riboflavin 5.0mg
Thiamine·HCl 5.0mg
Biotin 2.0mg
Folic acid 2.0mg
Vitamin B12 0.1mg
Preparation of Solution D (Vitamin Solution): Add components
to distilled/deionized water and bring volume to 1.0L Mix thoroughly
Filter sterilize
Solution E:
Compositionper 10.0mL:
Disodium-DL-malate 1.6g
Preparation of Solution E: Add disodium-DL-malate to distilled/
deionized water and bring volume to 10.0mL Mix thoroughly
Auto-clave for 15 min at 15 psi pressure–121°C
Preparation of Medium: Aseptically combine 980.0mL of sterile
solution A with 1.0mL of sterile solution B, 1.0mL of sterile solution
C, 10.0mL of sterile solution D, and 10.0mL of sterile solution E, in
that order Mix thoroughly Adjust pH to 6.7–6.9 Aseptically distribute
into sterile tubes or flasks
Use: For the cultivation of Campylobacter species.
Crithidia Medium
Compositionper liter:
Sucrose 15.0g
Pancreatic digest of casein 6.0g
Yeast extract 1.0g
Liver concentrate 0.1g
Hemin solution 5.0mL
pH 7.8 ± 0.2 at 25°C
Hemin Solution:
Compositionper 2.5mL:
Hemin 25.0mg
Triethanolamine (TEA) 2.5mL
Preparation of Hemin Solution: Add hemin to 2.5mL
trietha-nolamine Mix thoroughly
Preparation of Medium: Add components to distilled/deionized
water and bring volume to 1.0L Mix thoroughly Adjust pH to 7.8
Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–
121°C Slight hemin precipitate may occur
Use: For the cultivation of Crithidia acanthocephali, Crithidia deanei,
Crithidia fasciculata, Crithidia harmosa, Crithidia hutneri, Crithidia
luciliae, Crithidia mellificae, Crithidia oncopelti, Crithidia species,
Herpetomonas samuelpessoai, Leptomonas pyrrhocoris, and
Phyto-monas davidi.
CRMOX Agar
Crossley Milk Medium Composition per liter:
Skim milk powder 100.0g Peptone 10.0g Bromcresol Purple 0.1g
pH 5.8 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from Oxoid Unipath
Preparation of Medium: Add components to a very small volume
of distilled/deionized water and mix to a paste Gradually add more dis-tilled/deionized water and bring volume to 1.0L Distribute in 10.0mL volumes into tubes Autoclave for 5 min at 15 psi pressure–121°C
Use: For the routine examination of canned food samples for anaero-bic bacteria
Cryptoanaerobacter Medium
(DSMZ Medium 1022) Composition per liter:
Solution A 650.0mL
Clostridium sporogenes supernatant 350.0mL
pH 7.5–8.0 at 25°C
Solution A:
Compositionper 650.0mL:
Yeast extract 5.0g NaHCO3 4.0g Casamino acids 1.0g 4-Hydroxybenzoic acid 0.45g
KH2PO4 0.4g
NH4Cl 0.4g Resazurin 0.5mg Vitamin solution 10.0mL Magnesium chloride solution 10.0mL Calcium chloride solution 10.0mL Trace element solution SL-10 1.0mL Selenite/tungstate solution .1.0mL
Selenite/Tungstate Solution:
Compositionper liter:
NaOH 0.5g
Na2WO4·2H2O 4.0mg
Na2SeO3·5H2O 3.0mg
Preparation of Selenite/Tungstate Solution: Add components
to distilled/deionized water and bring volume to 1.0L Mix thoroughly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Trace Elements Solution SL-10:
Compositionper liter:
FeCl2·4H2O 1.5g CoCl2·6H2O 190.0mg MnCl2·4H2O 100.0mg ZnCl2 70.0mg
Na2MoO4·2H2O 36.0mg NiCl2·6H2O 24.0mg
H3BO3 6.0mg CuCl2·2H2O 2.0mg HCl (25% solution) 10.0mL
Preparation of Trace Elements Solution SL-10: Add FeCl2·4H2O
to 10.0mL of HCl solution Mix thoroughly Add distilled/deionized water and bring volume to 1.0L Add remaining components Mix
Trang 8thor-462 CRYS Medium
oughly Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–
121°C
Vitamin Solution:
Compositionper liter:
Pyridoxine-HCl 10.0mg
Thiamine-HCl·2H2O 5.0mg
Riboflavin 5.0mg
Nicotinic acid 5.0mg
D-Ca-pantothenate 5.0mg
p-Aminobenzoic acid 5.0mg
Lipoic acid 5.0mg
Biotin 2.0mg
Folic acid 2.0mg
Vitamin B12 0.1mg
Preparation of Vitamin Solution: Add components to distilled/
deionized water and bring volume to 1.0L Mix thoroughly Sparge
with 80% H2 + 20% CO2 Filter sterilize
Magnesium Chloride Solution:
Compositionper 10.0mL:
MgCl2·6H2O 0.08g
Preparation of Magnesium Chloride Solution: Add
MgCl2·6H2O to distilled/deionized water and bring volume to 1.0L
Mix thoroughly Sparge with 100% N2 Autoclave for 15 min at 15 psi
pressure–121°C
Calcium Chloride Solution:
Compositionper 10.0mL:
CaCl2·2H2O 0.06g
Preparation of Calcium Chloride Solution: Add CaCl2·2H2O
to distilled/deionized water and bring volume to 1.0L Mix thoroughly
Sparge with 100% N2 Autoclave for 15 min at 15 psi pressure–121°C
Preparation of Solution A: Add components, except bicarbonate,
magnesium chloride and calcium chloride solution, to
distilled/deion-ized water and bring volume to 630.0mL Mix thoroughly Adjust pH
to 7.0–7.5 Gently heat and bring to boiling Boil for 3 min Cool while
sparging with 80% N2 + 20% CO2 Add the solid bicarbonate Adjust
the pH to 7.8 Dispense under 80% N2 + 20% CO2 gas atmosphere into
anaerobic vials Autoclave for 15 min at 15 psi pressure–121°C
Asep-tically and anoxically add magnesium chloride and calcium chloride
solutions Adjust final pH of the medium topH 7.7 Note: It may be
necessary to add 10–20 mg sodium dithionite per liter (e.g., from 5%
(w/v) solution, freshly prepared under N2 and filter sterilized), if the
so-lution is not completely reduced after inoculation
Clostridium sporogenes Supernatant:
Compositionper liter:
Yeast extract 5.0g
NaHCO3 4.0g
Casamino acids 1.0g
KH2PO4 0.4g
NH4Cl 0.4g
Resazurin 0.5mg
Vitamin solution 10.0mL
Magnesium chloride solution 10.0mL
Calcium chloride solution 10.0mL
Na2S·9H2O solution 10.0mL
Trace element solution SL-10 1.0mL
Selenite-tungstate solution 1.0mL
Clostridium sporogenes Variable
Na 2 S·9H 2 O Solution :
Compositionper 10.0mL:
Na2S·9H2O 0.3g
Preparation of Na 2 S·9H 2 O Solution: Add Na2S·9H2O to dis-tilled/deionized water and bring volume to 10.0mL Mix thoroughly Autoclave under 100% N2 for 15 min at 15 psi pressure–121°C Cool
to room temperature
Preparation of Clostridium sporogenes Supernatant: Add components, except bicarbonate, Na2S·9H2O solution, magnesium chloride and calcium chloride solution, to distilled/deionized water and bring volume to 980.0mL Mix thoroughly Adjust pH to 7.0–7.5 Gen-tly heat and bring to boiling Boil for 3 min Cool while sparging with 80% N2 + 20% CO2 Add the solid bicarbonate Adjust the pH to 7.8 Dispense under 80% N2 + 20% CO2 gas atmosphereinto anaerobic bottles Autoclave for 15 min at 15 psi pressure–121°C Aseptically and anoxically add Na2S·9H2O solution, magnesium chloride and cal-cium chloride solutions Adjust final pH to pH 7.0 Inoculate with
Clostridium sp DSM 754 Incubate for 5 to 8 days at 37°C Disrupt
cells of the grown culture by autoclaving for 20 min at 15 psi pressure– 121°C Centrifuge autoclaved culture at 18,000g for 20 min Discard cell pellet Store the supernatant in screw-capped bottles at −20°C Be-fore use sterilize the supernatant by autoclaving under 100% N2 for 15 min at 15 psi pressure–121°C Cool to room temperature under 100%
N2
Preparation of Medium: Aseptically and anoxically combine
650.0mL of solution A with 350.0mL of Clostridum sporogenes
super-natant
Use: For the cultivation of Cryptoanaerobacter spp.
Cryptococcus neoformans Screen Medium
CRYS Medium Compositionper liter:
Stock extract 500.0mL 2× PP medium 500.0mL
Stock Extract:
Compositionper 500.0mL:
Cerophyll 5.0g Brown rice 5.0g Yeast extract 5.0g Dried seaweed 5.0g
Preparation of Stock Extract: Add components to distilled/deion-ized water and bring volume to 500.0mL Mix thoroughly Gently heat and bring to boiling Continue boiling for 5 min Filter three times through Whatman #1 filter paper while still hot Cool to room temper-ature Adjust pH to 7.2 Bring volume to 500.0mL with distilled/deion-ized water Autoclave for 15 min at 15 psi pressure–121°C
2 PP Medium:
Compositionper 500.0mL:
Proteose peptone 10.0g Pancreatic digest of peptone 10.0g
Ribonucleic acid from Torula yeast 1.0g
Asolectin 0.2g Artificial seawater 167.0mL Vitamin solution 2.0mL
Trang 9Crystal Violet Lactose Agar 463
Artificial Seawater:
Compositionper 167.0mL:
Aqua-Marin sea salts 6.95g
Source: Aqua-Marin sea salts are available from Aquatrol, Inc.,
Ana-heim, CA
Preparation of Artificial Seawater: Add Aqua-Marin sea salts to
distilled/deionized water and bring volume to 167.0mL Mix
thorough-ly Filter sterilize
Vitamin Solution:
Compositionper 100.0mL:
Thiamine·HCl 150.0mg
Calcium D-(+)-pantothenate 100.0mg
Folic acid 50.0mg
Nicotinamide 50.0mg
Pyridoxal·HCl 50.0mg
Riboflavin 50.0mg
DL-6-Thioctic acid 1.0mg
Biotin solution 10.0mL
Biotin Solution:
Compositionper 10.0mL:
Biotin 0.01mg
Preparation of Biotin Solution: Add biotin to 10.0mL of absolute
ethanol Mix thoroughly
Preparation of Vitamin Solution: Add components to distilled/
deionized water and bring volume to 100.0mL Mix thoroughly Filter
sterilize For long-term storage, preserve under nitrogen at −20°C
Preparation of 2× PP Medium: Add asolectin to 200.0mL of
dis-tilled/deionized water Gently heat to 80°C Mix thoroughly Add other
components, except artificial seawater and vitamin solution, to
dis-tilled/deionized water and bring volume to 331.0mL Mix thoroughly
Adjust pH to 7.2 Autoclave for 15 min at 15 psi pressure–121°C
Aseptically add 167.0mL of sterile artificial seawater and 2.0mL of
sterile vitamin solution Mix thoroughly
Preparation of Medium: Aseptically combine 500.0mL of sterile
stock extract with 500.0mL of sterile 2× PP medium Mix thoroughly
Aseptically distribute into sterile tubes or flasks
Use: For the cultivation of Pseudocohnilembus marinus.
Crystal Violet Agar Compositionper liter:
Agar 15.0g
Lactose 10.0g
Proteose peptone 5.0g
Beef extract 3.0g
Crystal Violet 3.3mg
pH 6.8 ± 0.1 at 25°C
Preparation of Medium: Add components to distilled/deionized
wa-ter and bring volume to 1.0L Mix thoroughly Gently heat until boiling
Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–
121°C Pour into sterile Petri dishes or leave in tubes
Use: For the differentiation of pathogenic staphylococci from
non-pathogenic staphylococci Hemolytic and coagulating strains of
Staph-ylococcus aureus appear as purple or yellow colonies Nonhemolytic
and noncoagulating strains of Staphylococcus species appear as white
colonies
Crystal Violet Azide Esculin Agar Compositionper liter:
Agar 15.0g Glucose 5.0g NaCl 5.0g Proteose peptone 5.0g Pancreatic digest of casein 5.0g Meat extract 3.0g Esculin 1.0g NaN3 1.0g Crystal Violet 0.1g Bovine blood, citrated 100.0mL
pH 7.5 ± 0.2 at 25°C
Caution: Sodium azide is toxic Azides also react with metals and disposal must be highly diluted
Preparation of Medium: Add components, except citrated bovine blood, to distilled/deionized water and bring volume to 900.0mL Mix thoroughly Gently heat and bring to boiling Autoclave for 15 min at
15 psi pressure–121°C Cool to 45°–50°C Aseptically add sterile, cit-rated bovine blood Mix thoroughly Pour into sterile Petri dishes or distribute into sterile tubes
Use: For the cultivation of Erysipelothrix rhusiopathiae.
Crystal Violet Esculin Agar Compositionper liter:
Agar 15.0g Glucose 5.0g NaCl 5.0g Proteose peptone 5.0g Pancreatic digest of casein 5.0g Meat extract 3.0g Esculin 1.0g Crystal Violet 2.0mg Blood, citrated 100.0mL
pH 7.5 ± 0.2 at 25°C
Preparation of Medium: Add components, except citrated blood,
to distilled/deionized water and bring volume to 900.0mL Mix thor-oughly Gently heat and bring to boiling Autoclave for 15 min at 15 psi pressure–121°C Cool to 45°–50°C Aseptically add citrated blood Mix thoroughly Pour into sterile Petri dishes or distribute into sterile tubes
Use: For the cultivation of Erysipelothrix rhusiopathiae.
Crystal Violet Lactose Agar Compositionper liter:
Agar 15.0g Lactose 10.0g Proteose peptone 5.0g Beef extract 3.0g Crystal Violet 3.3mg
pH 6.8 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from Hi-Media
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Trang 10464 Crystal Violet Lactose Broth
Use: For the differentiation of pure cultures of pathogenic and
non-pathogenic staphylococci
Crystal Violet Lactose Broth
Compositionper liter:
Lactose 5.0g
Peptic digest of animal tissue 5.0g
K2HPO4 5.0g
KH2PO4 1.0g
Crystal Violet 1.43mg
pH 7.4 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from
Hi-Media
Preparation of Medium: Add components to distilled/deionized
water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15
psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the differentiation of pure cultures of pathogenic and
non-pathogenic staphylococci
Crystal Violet Lactose HiVeg Agar
Compositionper liter:
Agar 15.0g
Lactose 10.0g
Plant peptone No 3 5.0g
Plant extract 3.0g
Crystal Violet 3.3mg
pH 6.8 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from
Hi-Media
Preparation of Medium: Add components to distilled/deionized
water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15
psi pressure–121°C Pour into sterile Petri dishes or leave in tubes
Use: For the differentiation of pure cultures of pathogenic and
non-pathogenic staphylococci
Crystal Violet Pectate Medium
(CVP Medium) Compositionper liter:
Sodium polypectate 9.0g
Agar 2.0g
NaNO3 1.0g
NaOH (1N solution) 4.5mL
CaCl2·H2O (10% solution) 3.0mL
Crystal Violet (0.075% solution) 1.0mL
Sodium lauryl sulfate (10% solution) 0.5mL
pH 7.2 ± 0.2 at 25°C
Preparation of Medium: In a preheated blender, add 500.0mL of
boiling distilled/deionized water and the components, except sodium
polypectate and sodium lauryl sulfate solution Blend at high speed for
15 sec Continue blending at low speed and slowly add 9.0g of sodium
polypectate Pour the incomplete medium into a 2L flask and add
0.5mL of sodium lauryl sulfate solution Mix thoroughly Cap flask
with an aluminum foil seal rather than cotton Autoclave for 25 min at
15 psi pressure–121°C Pour medium quickly into sterile Petri dishes
Allow plates to dry at 25°C for 48 hr before use
Use: For the cultivation of pectinolytic microorganisms, such as
Erwinia species, from foods.
Crystal Violet Pectate Medium
(CVP Medium) Compositionper liter:
Sodium polypectate 18.0g Agar 4.0g NaNO3 2.0g CaCl2·2H2O 0.6g NaOH 0.36g Sodium lauryl sulfate 0.1g Crystal Violet 1.5mg
pH 7.2 ± 0.2 at 25°C
Source: This medium is available as a premixed powder from Hi-Media
Preparation of Medium: Add components to distilled/deionized water and bring volume to 1.0L Mix thoroughly Gently heat and bring
to boiling Distribute into tubes or flasks Autoclave for 15 min at 15 psi pressure–121°C
Use: For the cultivation of pectinolytic microorganisms, such as
Erwinia species, from foods.
Crystal Violet Tetrazolium Agar Base Compositionper liter:
Agar 15.0g Casein enzymatic hydrolysate 5.0g Yeast extract 2.5g Glucose 1.0g Crystal Violet 1.0mg 2,3,5-Triphenyltetrazolium chloride solution 10.0mL
pH 7.0 ± 0.2 at 25°C
Source: This medium, without triphenyltetrazolium chloride solution,
is available as a premixed powder from HiMedia
Caution: Sodium azide is toxic Azides also react with metals and disposal must be highly diluted
2,3,5-Triphenyltetrazolium Chloride Solution:
Compositionper 10.0mL:
2,3,5-Triphenyltetrazolium chloride 0.1g
Preparation of 2,3,5-Triphenyltetrazolium Chloride Solu-tion: Add 2,3,5-triphenyltetrazolium chloride to distilled/deionized water and bring volume to 10.0mL Mix thoroughly Filter sterilize
Preparation of Medium: Add components, except 2,3,5-triphe-nyltetrazolium chloride solution, to distilled/deionized water and bring volume to 990.0mL Mix thoroughly Gently heat and bring to boiling Autoclave for 10 min at 15 psi pressure–121°C Cool to 45°–50°C Aseptically add 10.0mL 2,3,5-triphenyltetrazolium chloride solution Mix thoroughly Pour into sterile Petri dishes or distribute into sterile tubes
Use: For the detection of Gram-negative psychrotrophic bacteria caus-ing food spoilage
Crystal Violet Tetrazolium HiVeg Agar Base Compositionper liter:
Agar 15.0g Plant hydrolysate 5.0g Yeast extract 2.5g Glucose 1.0g