Determination of total colony in foodstuffs
The total colony count refers to the total number of bacterial colonies contained in 1 g or 1 ml of the sample obtained after the food has been processed and in
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Determination of lactic acid bacteria in yogurt
Active yogurt requires control of the ratio of various lactic acid bacteria, which have complex nutritional requirements, requiring carbohydrates, amino acids,
Bread making experiment
Bread is a fermented food produced with flour as the main ingredient and yeast, sugar, fat and eggs as supplementary ingredients. After adding yeast into the mi
Ethanol fermentation experiment
Under anaerobic conditions, the role of yeast in the fermentation of hexose to produce ethanol and CO2 is called ethanol fermentation. The yeast protozoa used i
Animal cell and embryo engineering experiments commonly used culture solution preparation and detection experiments
Common culture solution preparation and testing for animal cell and embryo engineering experiments for (1) animal cell culture (2) embryo engineering developmen
Experiment for the determination of coliforms in foodstuffs
Coliform refers to a group of Gram-negative non-spore-forming bacilli that can ferment lactose, produce acid and gas, and are aerobic and partially anaerobic. T
Plasmid DNA high-frequency transformation of Escherichia coli experiments
After the preparation of the receptor cells, the next step is the transformation of plasmid DNA into E. coli cells. However, it is important to note that the re
Beef paste peptone medium preparation experiment
Beef Paste Peptone Medium is one of the most widely used and common bacterial bases for the growth and propagation of microorganisms.
Bacterial endotoxin detection assay
Enterobacteriaceae are mostly gram-negative bacilli with endotoxin. If they cause sepsis, meningitis and other infections, endotoxin can be detected in blood, c