Lycium barbarum has high sugar content and is easy to absorb moisture, oil, mildew and moth. Moreover, the color quality of its components is extremely unstable and easy to change color, which affects the appearance and quality of Lycium barbarum. It is difficult to preserve dried Lycium barbarum in normal direct storage, so some measures should be taken to make it moisture-proof, insect-proof and mildew-proof. Generally speaking, the more effective and simple preservation methods are:

1, ethanol preservation method: spray Lycium barbarum with ethanol and mix well, then pack it in non-toxic plastic bags, remove air, seal it and keep it with you. This method can not only prevent insects from eating, but also make its color bright as fresh products.

2, plastic bag vacuum preservation method: put the cleaned impurities of Lycium barbarum into a sealed plastic bag, exhaust air, tie the bag mouth tightly to prevent air leakage, and store it in a cool and dry place. Conditional can put a small bag of appropriate amount of quicklime in a plastic bag, the effect is better.

3. Refrigeration method: It is a simple and practical storage method to keep Lycium barbarum in refrigerator or other refrigeration equipment at 0~4℃.

4, mineral water bottle preservation method: put the medlar into a clean mineral water bottle, tighten the bottle cap and carry it with you, which can achieve the purpose of pest control and moisture prevention in a short time.

5. Moldy treatment method: put the moldy medlar into a round dustpan, rub the caked medlar with both hands, discard the seriously deteriorated medlar, spray a proper amount of white wine, wet the white spots on the surface, and rub them with both hands for many times until there are no spots. Then bake it with low fire, gently knead it with your hands to make it emit steam, take it out of the pot and sieve it, then seal it and keep it.