Two new Monascus metabolites with strong blue fluorescence isolated from red yeast rice.


Red yeast rice obtained as cultures of Monascus AS3.4444 on rice was extracted and analyzed by high-performance liquid chromatography (HPLC). Two new Monascus metabolites with similar fluorescence spectra (lambda ex = 396 nm, lambda em = 460 nm) and UV absorption spectra (lambda max = 386 nm) were detected. They were isolated by rechromatography on a silica… (More)


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