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Tetrathionate Broth (m-Tetrathionate Broth) (m-TT Broth)
[所属分类:培养基配方] [发布时间:2021-12-20] [发布人:网站管理员2] [阅读次数:] [返回]
Tetrathionate Broth
(m-Tetrathionate Broth)
(m-TT Broth)
山东拓普生物工程有限公司 培养基配方 http://www.topbiol.com
Composition per liter:
Na2S2O3 ............................................................30.0g
CaCO3 ...............................................................10.0g
Pancreatic digest of casein..................................2.5g
Peptic digest of animal tissue..............................2.5g
Iodine-iodide solution ................................... 20.0mL
pH 8.0 ± 0.2 at 25°C
Iodine-Iodide Solution:
Composition per 20.0mL:
Iodine ..................................................................6.0g
KI ........................................................................5.0g
Preparation of Iodine-Iodide Solution: Add
iodine and KI to distilled/deionized water and bring
volume to 20.0mL. Mix thoroughly.
Preparation of Medium: Add components, ex
cept iodine-iodide solution, to distilled/deionized
water and bring volume to 980.0mL. Mix thoroughly.
Gently heat and bring to boiling. Do not autoclave.
Cool to 40°C. Add 20.0mL of iodine-iodide solution.
Mix thoroughly. Distribute into tubes in 10.0mL vol
umes. Use medium the same day it is prepared.
Use: For the selective isolation in the membrane fil
ter method of Salmonella species from foods.