Yuankanin is a genkwanin-5-bioside, the sugar moiety being composed of xylose and glucose. Yuankanin can be isolated from the methanol extract of the aerial parts of Gnidia involucrata (Thymelaeaceae)[1].
References
[1] Ferrari J, et al. Benzophenone glycosides from Gnidia involucrata. Phytochemistry. 2000 Aug;54(8):883-9. DOI:10.1016/s0031-9422(00)00046-7
