Preparation method of kudzu root isoflavone powder
A kind of pueraria isoflavone powder, the technology of pueraria isoflavones, applied in the field of preparation of pueraria isoflavone powder, can solve the problem of easily destroying effective components, unfavorable long-term preservation and the like, achieves shortening vacuum freeze-drying time, high economic value and health care value, good fluidity
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[0015] Specific description is given below by the following examples:
[0016] A kind of preparation method of kudzu root isoflavone powder of the present invention comprises:
[0017] (1) Take kudzu root as raw material, after drying and crushing, add 70% ethanol, the solid-liquid ratio (g / mL) of kudzu root to 70% ethanol is 1:30~1:10. Then cellulase and protease were added for enzymolysis, wherein the mass ratio of cellulase and protease was 1:3-1:1, the enzymolysis temperature was 55-65°C, the enzymolysis time was 50-65 min, and the pH of the system was 6. The total amount of cellulase and protease is 2-4% of the kudzu root ethanol solution by mass volume ratio. Then concentrated under reduced pressure and freeze-dried to obtain kudzu root isoflavones.
[0018] (2) Mixing the Pueraria isoflavones prepared in step (1) with β-cyclodextrin and soybean lecithin, the mass ratio of Pueraria isoflavones, β-cyclodextrin and soybean lecithin mixture is 3-6:1, Wherein, the mass ra...
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