How to carry out fresh-keeping processing of Chinese herbal medicine slices
2021-06-24 10:03:23
Slices of Chinese herbal medicines exposed to the air are easily rotted by microorganisms and impurities. A method for prolonging the fresh-keeping period of Chinese herbal medicines is introduced as follows:
1. Material selection and cleaning. Choose fresh, non-corrosive Chinese herbal medicines, wash them with deionized water or sterilizing water, drain the surface water for use.
2. slice. The medicinal material to be sliced ​​may be cut into thin slices, medium sheets, slabs, segments, blocks or filaments depending on the texture and function of the medicinal materials.
3. Prepare a preservative solution. Fresh liquid formula:
0.1% citric acid, 0.05% phytate compound solution, 0.1% sodium benzoate, 0.02% sodium metabisulfite, 1%--2% sodium chloride, appropriate amount of sugar, the remainder Deionized water.
The above-mentioned several raw materials are thoroughly mixed and stirred according to the formulation ratio, that is, the fresh-keeping liquid is obtained.
4. package. The sliced ​​Chinese herbal medicine is placed in a high-temperature plastic packaging bag together with the prepared fresh-keeping liquid, and vacuum-sealed.
5. Sterilization. The packaged Chinese herbal medicine sliced ​​together with the plastic bag is boiled or steamed in water at 100 ° C for 12 minutes - 17 minutes, then quickly placed in cold water to cool below 40 ° C, drained and drained, stored in a cool dry Where.
The preservation period of Chinese herbal medicines preserved by this method can be more than 4 months, which is 4 times to 5 times longer than the fresh-keeping period of Chinese herbal medicines which are not kept under the same conditions, and the cost is low, which is very suitable for small and medium-sized medicinal materials processing plants and medicinal materials suppliers. .
1. Material selection and cleaning. Choose fresh, non-corrosive Chinese herbal medicines, wash them with deionized water or sterilizing water, drain the surface water for use.
2. slice. The medicinal material to be sliced ​​may be cut into thin slices, medium sheets, slabs, segments, blocks or filaments depending on the texture and function of the medicinal materials.
3. Prepare a preservative solution. Fresh liquid formula:
0.1% citric acid, 0.05% phytate compound solution, 0.1% sodium benzoate, 0.02% sodium metabisulfite, 1%--2% sodium chloride, appropriate amount of sugar, the remainder Deionized water.
The above-mentioned several raw materials are thoroughly mixed and stirred according to the formulation ratio, that is, the fresh-keeping liquid is obtained.
4. package. The sliced ​​Chinese herbal medicine is placed in a high-temperature plastic packaging bag together with the prepared fresh-keeping liquid, and vacuum-sealed.
5. Sterilization. The packaged Chinese herbal medicine sliced ​​together with the plastic bag is boiled or steamed in water at 100 ° C for 12 minutes - 17 minutes, then quickly placed in cold water to cool below 40 ° C, drained and drained, stored in a cool dry Where.
The preservation period of Chinese herbal medicines preserved by this method can be more than 4 months, which is 4 times to 5 times longer than the fresh-keeping period of Chinese herbal medicines which are not kept under the same conditions, and the cost is low, which is very suitable for small and medium-sized medicinal materials processing plants and medicinal materials suppliers. .
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