Abstract
An overview of methods for determining the shelf life of food products is given. An accelerated method, which includes storing grain at a temperature of 20–40 °C, regularly determining the acid number of fats, while using samples from at least three batches of grain of the same crop, has been developed. Based on the obtained results, the estimated shelf life at any storage temperature is determined by calculation using the “Reserve-forecast” program, taking into account that the maximum permissible value of the acid number of fats is: 25 mg KOH/g of fat — for wheat, 23 mg KOH/g fat — for rye. The proposed methodology makes it possible to shorten the duration and reduce the complexity of determining the grain shelf life.
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