Investigation of the 95% alcohol extract of red yeast rice fermented with the fungus Monascus kaoliang has led to the isolation and structural elucidation of one new azaphilone derivative, monascuskaodione (1). The structure was elucidated by 1D and 2D NMR spectroscopy together with HR-ESI-MS analysis and comparison of the spectroscopic data with those reported for structurally related compounds.
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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. 6, November–December, 2015, pp. 941–943.
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Cheng, MJ., Wu, MD., Chan, HY. et al. New Metabolite from the Fungus Monascus kaoliang . Chem Nat Compd 51, 1091–1093 (2015). https://doi.org/10.1007/s10600-015-1499-x
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DOI: https://doi.org/10.1007/s10600-015-1499-x