Kev ua tau zoo ntawm cov nroj tsuag extracts
Txhim kho kev tiv thaiv. Cov nroj tsuag ntuj muaj ntau yam tshuaj tiv thaiv kab mob, xws li cov roj yam tseem ceeb, polysaccharides, glycosides, alkaloids, organic acids, roj, waxes, tannins, resins, cog pigments, ntxhia cov ntsiab lus, thiab lwm yam ...
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