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Guangzhou Boyuan Beverage Machinery Co., Ltd.

GuangDong-GuangZhou, China

It is used for the re-fermentation test of coliform bacteria, (MPN) counting and confirmation test. 

Inspection principle

Peptone provides carbon and nitrogen sources; Lactose is a fermentable sugar. Cow bile powder and promethazine inhibit non-enterobacteriaceae bacteria.

Usage

Weigh 40.0 grams of this product, add it to 1000mL of distilled water, heat and boil to dissolve, then aliquot into test tubes with small glass inverted tubes, each tube containing 10mL, and sterilize at 121℃ under high pressure for 15 minutes for later use.

 

Quality control

Prepare the culture medium according to the label usage, inoculate the following quality control strains, and place it in aerobic culture at 36±1℃ for 24-48 hours.

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