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Microbiological changes
Microbes have the ability to multiply at high rates when favourable conditions are present. Prior to harvest, fruits and vegetables have generally good defense mechanisms against microbial attacks, however, after separation from the plant they can easily succumb to microbial proliferation. Similarly, meat upon slaughter is unable to resist rapidly growing microbes. Microbial growth in foods results in food spoilage with the development of undesirable sensory characteristics and in certain cases the food may become unsafe for consumption. The pathogenicity of certain microorganisms is a major safety concern in processing and handling of foods upon ingestion. Microorganisms such as Salmonella species and Escherichia coli strains cause infection while others such as Aspergillus flavus, Clostridium botulinum and Staphylococcus aureus produce chemicals in foods that are toxic to humans. From our discussion above it is imperative that we develop mechanisms to determine, monitor and evaluate the shelf life of food products. How is this task done? Let's find out.
Basic radical chemical analysis?
Q. An aqueous solution of the protein bovine serum albumin, containing 2:00 x 10 -2 g of protein per cubic centimeter, has an osmotic pressure of 8.1 x 10 -3 bar at 0 C. Estim
Consult the inside front cover of the text for a list of common functional groups. (a) nitrile (b) ether
P-BLOCK GROUP ELEMENTS: The p block elements are belong to group 13 to 18.the outermost electronic configuration is ns2 np1 to ns2 np6.these are called represen
defference between diffusion and osmosis
Law of equivalence - Volumetric analysis The Law of equivalence is applied in all volumetric estimations. As per to it, the chemical substances react in the ratio of their
s block
1. Discuss how you would go about collecting data for an analysis of the water budget of a region. 2. Discuss the sources and impacts of suspended solids. 3. The reaction o
Explain Composition of individual phase in phase diagram – two phase? If the system point is in a two-phase area of the phase diagram, we draw a horizontal tie line of constant
Effect of substituent on acidic nature (a) An electron withdrawing substituent that is - I effect stabilizes the anion by dispersing the negative charge and hence increases the
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