March 2009 in “Journal of Biomedical Research” In this study, herbal extract mixtures applied to mice accelerated hair regrowth compared to a control group, suggesting potential hair-growing properties.
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May 2023 in “Molecules” This study identified seven potential enzyme inhibitors from a Polygonum cuspidatum extract using ultrafiltration combined with high-performance liquid chromatography. These compounds showed inhibitory activity against tyrosinase, α-glucosidase, and xanthine oxidase, with most discovered in this extract for the first time.