What are the preservation methods of Lycium barbarum and Astragalus? How to preserve Lycium barbarum and Astragalus?

1. Preservation method of Radix Astragali: Radix Astragali, many nourishing traditional Chinese medicines such as Radix Codonopsis and Radix Angelicae Sinensis contain polysaccharides. In order to prolong the shelf life, it needs to be dried for 1-2 days before being placed in a sealed box, or baked in a microwave oven for 5- 10 seconds, and then stored in a cool place at home.

2. Indoor natural preservation: remove the outer plastic bag, put the red dates into a cloth bag or paper box, and turn them frequently.

3. Low-temperature storage in the refrigerator: seal the dried dates in plastic bags and put them in the refrigerator. If it is stored for a long time, it should be kept in the freezer of the refrigerator. Remember to put dried dates in plastic bags and put them next to the heating, which is the easiest to ferment and deteriorate.

4. Preservation method of Lycium barbarum: ethanol preservation method: spray Lycium barbarum with ethanol and mix it evenly, then pack it in non-toxic plastic bags, remove the 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; Vacuum fresh-keeping method of plastic bag: put a small sack filled with quicklime in the plastic bag, then put the Lycium barbarum with impurities removed into the plastic bag, bake and seal the mouth of the plastic bag, evacuate the air from the bag and store it in a cool place. When applying this method, it is necessary to check at any time to prevent air leakage. In addition, lime should not be too much, depending on the water content of Lycium barbarum; Refrigeration method: it is a simple and practical storage method to keep Lycium barbarum in refrigerator or other refrigeration equipment at 0~4℃; Moldy treatment method: put moldy Lycium barbarum into a round dustpan, rub the caked ones with both hands, discard the seriously deteriorated ones, spray appropriate 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.