Examination of the EtOAc-soluble fraction from a 70% ethanolic extract of red yeast rice fermented with the yellow mutant of the fungus Monascus sp. (Eurotiaceae) yielded a new dihydroisocoumarin derivative, monascusmellein (1). The structure of compound 1 was determined by spectroscopic methods, including UV, IR, HR-ESI-MS, and extensive 1D and 2D NMR analysis.
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This investigation was supported by a grant from the Ministry of Economic Affairs of the Republic of China.
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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2017, pp. 730–732.
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Cheng, MJ., Chan, HY., Wu, MD. et al. A New Dihydroisocoumarin Derivative from the Extract of the Fungus Monascus-Fermented Rice. Chem Nat Compd 53, 856–859 (2017). https://doi.org/10.1007/s10600-017-2140-y
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DOI: https://doi.org/10.1007/s10600-017-2140-y