Cryptoporic acid S, a new drimane-type sesquiterpene ether of isocitric acid from the fruiting bodies of Cryptoporus volvatus. Issue 7 (3rd July 2017)

• Record Type: Journal Article
• Authors: Wang, Jun-Chi; Li, Guang-Zhi; Lv, Na; Shen, Lian-Gang; Shi, Lei-Ling; Si, Jian-Yong
• Is Part Of: Journal of Asian natural products research. Volume 19:Issue 7(2017)
• Page Start: 719
• Page End: 724
• Publication Date: 2017-07-03
• Subjects: Polyporaceae -- Cryptoporus volvatus -- sesquiterpene -- cryptoporic acid derivatives -- antioxidant activity; Materia medica -- Asia -- Periodicals; Pharmacognosy -- Asia -- Periodicals; Medicinal plants -- Asia -- Periodicals; Medicine, Oriental -- Asia -- Periodicals; 615.321095
• DOI: 10.1080/10286020.2016.1240170
• Languages: English
• ISSNs: 1028-6020

Abstract

Abstract: A new drimane-type sesquiterpene with an isocitric acid moiety, cryptoporic acid S (1 ), together with six known compounds, cryptoporic acid D (2 ), β-sitosterol (3 ), β-daucosterol (4 ), stigmast-4-en-3-one (5 ), ergosterol (6 ), and (22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol (7 ), was isolated from the fruiting bodies of Cryptoporus volvatus . The structures of these compounds were established on the basis of UV, IR, MS, 1D and 2D NMR analysis. In the meanwhile, compounds1 and2 were evaluated for antioxidant activity using the methods of 2, 2-diphenyl-1-picrylhydrazyl free radical scavenging activity (DPPH-RSA) and ferric reducing antioxidant power (FRAP) assay, and they exhibited moderate antioxidant activities.