MAINTENANCE-PRESERVATION OF PURE CULTURES – Associated with the study of pure cultures is the problem of maintaining them for various periods in a viable condition. This is necessary so as to eliminate genetic instability, protect against contaminants and retain its characters. Most bacteriological laboratories usually maintain a large collection of pure cultures, frequently refered to as the stock culture collection.
Methods of isolating Pure Culture.A number of techniques have been employed for the isolation of microorganisms from natural environments. Culture methods employed depend on the purpose for which they are intended. The indications for culture are mainly to
Development of a microbiology as a discipline.The early history of a microbiology is to be found in the writings of a priests, philosophers, religious books and writing of a scientist, who made earnest effort to study and understand the basic biological problems. Among ancient peoples, epidemics and even endemic disease were regarded as a supernatural in origin and sent to by “God” as a punishment for the sins of a man.
4 Easy Ways of food microbiology testing methods.
In the food industry, microorganisms are used to perform various kinds of tests on food. These microbiological test methods are a critical part of ensuring the safety and wholesomeness of food products before they are distributed to consumers. Microbiology is used in food testing for three main reasons:
What boost immunity the most?
-First of all it is important to know what is immune system? The immune system is actually a large network of body organs, white blood cells, proteins (antibodies) and chemicals. This system works together to protect you from bacteria, viruses, parasites and fungi, which cause infections and illnesses.