nisin
nisin Antibiotic isolated in 1944 from lactic streptococci group N; inhibits some but not all clostridia; not used medically. Used as a food preservative. It is naturally present in cheese, being produced by a number of strains of cheese starter organisms. It lowers the resistance of many thermophilic bacteria to heat and so permits a reduction in the time and/or temperature of heating when processing canned vegetables.
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Latent Heat , latent heat (symbol L) Heat absorbed or given out by a substance as it changes its phase at constant temperature. When ice melts, its temperature rem… Heat Capacity , Heat capacity (often abbreviated Cp) is defined as the amount of heat required to raise the temperature of a given mass of a substance by one degree… tempering , tempering Heat treatment to alter the hardness of an alloy. The effect produced depends on the composition of the alloy, the temperature to which it… Calorimetry , Calorimetry is the measurement of the amount of heat gained or lost during some particular physical or chemical change. Heats of fusion or vaporizati… Pasteurization , Pasteurization
Pasteurization is a process whereby fluids such as wine and milk are heated for a predetermined time at a temperature that is below th… Temperature Regulation , temperature regulation The human body is a heat-generating object. Even at complete rest at a comfortable temperature, the vital functions of the bod…
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nisin