The additive premix is ​​easy to absorb moisture and agglomerate, so it should be sealed and water-proof, and the vacuum packaging effect is better. At the same time, the product must be stored in a dry, cool, dark environment. It is generally considered that the ideal storage environment conditions are: temperature 15 ~ 20 ° C, relative humidity 55% ~ 68%, for the use of larger farms, summer is best There are forced ventilation equipment to ensure the quality of the product during the shelf life.
The package of the additive premix is ​​used as soon as possible after opening, and the unused portion should be sealed and stored. The various components in the composite additive premix are easy to affect each other, especially the effect on vitamins is more obvious, should pay attention to early use, not long-term.
For high-concentration single-vitamin premixes, use fiberboard boxes (tubes), plastic-lined (11315, -260.00, -2.25%) bags, and three layers of kraft paper for premixes containing vitamins. A four-layer combination sealed package made of a plastic film to facilitate product preservation.
Vitamin premixes without choline chloride and vitamin C generally have a shelf life of less than 6 months, and vitamins containing composite premixes preferably have a shelf life of no more than 1 month.
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