Fresh card, freshness preservation cards, preservative, freshness keeping card brand fresh cards, freshness preservation cards, preservative, freshness keeping the card when the definition of freshness keeping agent (card type) use can be fresh food vapor to form a protective layer around a certain concentration, is not affected by the value of food preservation is pH. Sterilization and fumigation because of their contact with the dual effect of sterilization, can inhibit a variety of mold, bacteria and spoilage bacteria breeding, and thus play a good preservation effect. Fresh card, freshness preservation cards, preservative, freshness keeping card Scope: Mid-Autumn moon cake, candy, cakes, breads, cakes, dumplings, wet noodles, green bean, light pastries, wife cake, taro cake, mochi , cheese, herbs, dried squid, beef jerky, preserved pork and so on. Fresh card, freshness preservation cards, preservative, freshness maintaining Card Usage: This product will be removed and put together fresh food packaging containers, packaging container preservative best bits have a special place, not in direct contact with food, seal Packaging can be. Fresh card, freshness preservation cards, preservative, freshness keeping card notes: A, the provisions of this product after opening the package used within 30 minutes, if not needed immediately run back into the sealed bag in order to avoid the effect of reducing . B, choose to use alcohol, good barrier packaging materials, such as: OPP / PE, KOP / PE etc., NY / PE is not recommended to use. C, non-toxic, but are not edible, please marked "inedible" on food packaging.