The rhizome of Anemarrhena asphodeloides Bunge, used in Traditional Chinese Medicine as\na brain function-improving herb, is a promising source of neuroprotective substances. The aim of\nthis study was to evaluate the protective action of xanthones from A. asphodeloides rhizomes on the\nPC12 cell line exposed to the neurotoxic agent-3-nitropropionic acid (3-NP). The xanthone-enriched\nfraction of the ethanolic extract of A. asphodeloides (abbreviated from now on as XF, for the Xanthone\nFraction), rich in polyphenolic xanthone glycosides, in concentrations from 5 to 100............
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