Genus Castanopsis: A review on phytochemistry and biological activities.

Genus Castanopsis are native to tropical and subtropical Asia, comprising about 120 species. Some species from Castanopsis have been used as folk medicines in Asia. Phytochemistry investigations of the different plant parts of Genus Castanopsis have disclosed the presences of natural products including phenolics, terpenoids, steroids, and essential oils. Phenolics exist in Castanopsis species widely, particularly, triterpene ellagitannins were found to be potential chemotaxonomic marks of this geuns. The crude extracts and chemical constituents from Castanopsis have extensive biological activities, such as anti-inflammatory, anti-oxidative, antimicrobial, etc. In conclusion, the phytochemistry and biological activities of genus Castanopsis make it a promising source of natural products for drug discovery and development. This review collected the literatures published prior to 2023 on the traditional medicinal uses, phytochemistry, and bioactivties of the genus Castanopsis by searching from several scientific databases, such as Elsevier, Sci-finder, PubMed, Web of Science, CNKI, and Baidu Scholar. The main purpose of this systematic review is to provide the available information for relevant scholars to understand the progress in phytochemistry and biological activies of the genus Castanopsis and help the further development of this genus.

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