Cosmetic microbiology is a science that studies the characteristics, properties, physiological characteristics, growth rules of microbes in cosmetics and how to prevent microbes from polluting cosmeti...
Environmental sanitation, according to the interpretation of the famous international charity organization International Junyou club, refers to the control of all factors that hinder or affect health ...
Due to the different nutrition needed, there are many types of medium. It is estimated that there are thousands of different medium at present, which can be divided into several types according to the...
1. What is microbiological testing?Food microbiological testing refers to the determination of the quantity or the existence of a certain type of microorganism in a unit sample according to certain te...
1. Basic requirements of microbiological test laboratory The basic requirements of microbiological test laboratory are as follows:① The food microbiology exam laboratory requires a good surrounding ...
1. The scope of microbiological testing of food samplesThe scope of food microbiological testing includes the following aspects: ① The testing of the production environment, including workshop water,...
Most cells are suitable for growth in the pH range of 7.2-7.4, but different kinds of cells have different requirements for pH value, and the optimal pH value of the same cell at different growth stag...
As one of the most common experiments in microbial experiments, colony counting is an effective method to count the number of bacteria in articles. It is widely used to test the number of bacteria in ...
Food safety test is based on national indicators to detect harmful substances in food, mainly including some harmful and toxic indicators, such as heavy metals, aflatoxin. An important aspect of food ...
Soil microorganism is a mirror of soil ecological environment. By analyzing the relevant situation of soil microorganism, we can understand the soil and biological chain process that we live on.Soil m...
According to the nutrient composition of the medium, it can be divided into following types of medium in microbiology laboratory: basic medium, complete medium and supplementary medium,etc. Such terms are...
Different from international“stool culture medium”, Chinese“stool culture medium” just refers to the culture of Salmonella and Shigella.Although Salmonella and Shigella may be isolated from stool ...
1) Before sampling, confirm whether the goods and certificates are consistent.2) In the process of sample collection in microbiology, adverse factors such as water and other environmental factors shou...
The RPMI-1640 Medium, being a recent popular one, is widely used in the culture of mammalian, special hematopoietic cells, leukocytes of normal or malignant hyperplasia and hybridoma cells. Its domina...
(1)The Basic MediumIt contains the essential nutrients needed for a basic growth. The frequent modal is meat infusion commonly known as broth, of which the major ingredients are the beef extract and t...