Storage of cottonseed and cottonseed oil

(1) Hierarchical storage The storability of cottonseed has a great relationship with the harvest period. Cotton picked before the frost has firm, nutty husks, low moisture content, and long fluff, which makes it easier to store. Cotton picked after the frost has soft kernels and large moisture. The cottonseeds must be stored separately. .

(2) Open-air storage Cottonseed can be stored in the open air or in a warehouse. Because cottonseed has the characteristics of being stored in the open air, it is widely used in cotton-producing areas for outdoor storage, but cottonseed used for seeding should be stored in the warehouse. The open-air stacking site requires flat, dry, ventilated, and well-drained conditions, and the bottom work must be done well. The shape of the stack is generally rectangular at the bottom and oval at the top. The large stack reaches 200,000 kilograms and the small stack is 100,000 kilograms, with about 260 kilograms of hair per cubic meter.

(3) The storage method of cottonseed oil is generally the same as that of soybean oil, but the quality requirement for storage and storage is that the moisture content of refined cotton oil or wool oil should be below 0.2%. The impurity ratio of refined cotton oil does not exceed 0.1%, and the acid value does not exceed 1. Wool cotton oil does not exceed 0.3%, and acid value does not exceed 8.

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