Mar 16,2023

The chemical composition of Chinese medicine is very complex, usually sugar, amino acid, protein, oil, wax, enzyme, pigment, vitamin, organic acid, tannin, inorganic salt, volatile oil, alkaloid, glucoside and so on. There are both active components and ineffective impurities in these ingredients, if the impurities are not removed as far as possible, it will affect the quality and stability of the preparation. The main reasons for the precipitation and low clarity of TCM products are the tannins, proteins and macromolecules contained in the liquid.

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