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- Title
One New Compound from the Extract of the Fungus Monascus purpureus BCRC 31499.
- Authors
Cheng, Ming-Jen; Wu, Ming-Der; Cheng, Yen-Chen; Chen, Jih-Jung; Chan, Hing-Yuen; Chen, Yen-Lin; Chen, Ih-Sheng; Wu, Po-Hung; Yuan, Gwo-Fang
- Abstract
A chemical investigation on the n-BuOH-soluble fraction of the 95% EtOH extract of red mold rice fermented with the fungus Monascus purpureus BCRC 31499 (Eurotiaceae) has resulted in the isolation of one new isochroman derivative, designated as monascupurpurin ( 1). The structure was elucidated as rel-(2S)-4,6-dimethyl-2-hexyl-7-O-α-L-rhamnosylisochroman-5-ol ( 1) on the basis of extensive 1D and 2D NMR techniques, including COSY, HMBC, HMQC, and NOESY correlations, as well as HR-ESI-MS analysis and comparison of the spectroscopic data with those reported for structurally related compounds. This is the first report on Monascus metabolites with an isochroman glycoside.
- Subjects
MONASCUS purpureus; MONASCACEAE; FUNGI; CHEMICAL derivatives; METABOLITES
- Publication
Chemistry of Natural Compounds, 2016, Vol 52, Issue 4, p634
- ISSN
0009-3130
- Publication type
Article
- DOI
10.1007/s10600-016-1727-z