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  • 01
    12
    2020
    Collection and Submission of Food Microbiological Testing Samples
    1. Sample collection of food microbiology testingBefore sampling, it is necessary to know the source, processing, storage, packaging, transportation and other conditions of the samples. When sampling,...
  • 24
    11
    2020
    Three Principles of Food Testing Laboratory Layout
    The food testing laboratory professionally involves many disciplines such as food chemistry, physics, microbiology, molecular biology and food sensory evaluation, and its functions also involve water ...
  • 17
    11
    2020
    Seawater Sampling and Lake Water Sampling
    Environmental water sampling is to collect water samples from polluted water bodies and analyze them to obtain basic data on water pollution. The water samples for analysis should be representative an...
  • 10
    11
    2020
    What Are the Advantages of Selective Culture Medium in Microbiology?
    The selective culture medium in microbiology refers to the medium designed according to the special nutritional requirements of a certain (type) microorganism or the resistance to certain special chem...
  • 03
    11
    2020
    Preservation and Use of Culture Medium
    1. Is it good to keep liquid culture medium under refrigeration? Is it better to freeze?Refrigeration is better. Because when the liquid medium is frozen and then melted, the PH value of the solution ...
  • 27
    10
    2020
    What is Natural Culture Medium? What Does It Have to Do with Bovine Serum?
    Natural culture medium is also called complex medium, which is a natural organic substance that contains unclear or inconsistent chemical composition. The natural culture medium is mainly extracted fr...
  • 20
    10
    2020
    Biological Characteristics of E. coli
    E. coli tests microbiology is a subject that studies Escherichia coli. Escherichia coli, also called E. coli, was discovered by Escherichi in 1885.Escherichia coli is a normal invador in the intestine...
  • 13
    10
    2020
    Treatment and Preservation of Environmental Soil Sampling
    After registrating the number, the environmental soil sampling retrieved from the field need to go through a preparation process: air-drying, grinding, sieving, mixing and bottling to prepare for vari...
  • 06
    10
    2020
    What are the Common Bacteria in Cosmetics?
    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...
  • 17
    09
    2020
    Environmental Sanitation has Become an Urgent Concern Worldwide
    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 ...
  • 10
    09
    2020
    Types of Microbiological Medium
    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...
  • 04
    09
    2020
    How do You Test for Microbes in Food?
    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...
  • 02
    09
    2020
    Requirements for Food Microbiological Testing Supplies
    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 ...
  • 30
    08
    2020
    The Scope and Indicator Setting of Food Microbiological Testing
    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,...
  • 27
    08
    2020
    Sterile Diluents Commonly Used in Experiment on Microbiology
    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...
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