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Abstract Title:

Isoflavones and anti-inflammatory constituents from the fruits of Psoralea corylifolia.

Abstract Source:

Phytochemistry. 2017 Nov ;143:186-193. Epub 2017 Aug 18. PMID: 28825980

Abstract Author(s):

Chiang-Hsiang Chen, Tsong-Long Hwang, Li-Chai Chen, Tsung-Hsien Chang, Chun-Sheng Wei, Jih-Jung Chen

Article Affiliation:

Chiang-Hsiang Chen

Abstract:

The fruits of Psoralea corylifolia, known as Psoraleae Fructus (Buguzhi in Chinese), are traditionally used for the treatment of spermatorrhea, nephritis, asthma, pollakiuria, and various inflammatory diseases. Three previously undescribed isoflavone derivatives, 7-O-methylcorylifol A, 7-O-isoprenylcorylifol A, and 7-O-isoprenylneobavaisoflavone, have been isolated from the fruits of P. corylifolia, together with 9 known compounds. The structures of these compounds were determined through spectroscopic and MS analyses. Among the isolated compounds, 7-O-methylcorylifol A and psoralen exhibited potent inhibition (ICvalues ≤ 10.89 μM) of superoxide anion generation by human neutrophils in response to N-formyl-L-methionyl-L-leucyl-L-phenylalanine/cytochalasin B (fMLP/CB). 7-O-Isoprenylcorylifol A, 7-O-isoprenylneobavaisoflavone, and 12,13-dihydro-12,13-epoxybakuchiol inhibited fMLP/CB-induced elastase release with ICvalues ≤ 14.30 μM. In addition, 7-O-isoprenylcorylifol A, bakuchiol, 12,13-dihydro-12,13-epoxybakuchiol, and psoralidin showed potent inhibition with ICvalues ≤ 36.65 μM, against lipopolysaccharide (LPS)-induced nitric oxide (NO) generation.

Study Type : In Vitro Study

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