Daqu is an important source for bioactive compounds in Baijiu. Six novel compounds were isolated from Wuliangye Daqu by a set of chromatographic procedures. They were further identified by spectroscopic technology, including nuclear magnetic resonance (NMR) and mass spectrum (MS) etc. to be 5-n-nonadecylresorcinol, 5-n-heneicosyresorcinol, 5-n-tricosylresorcinol, (1E,22Z)-1,22-diferuloyloxydocoane, (1E,24Z)-1,24-diferuloyloxyteracosane, and (1E,26Z)-1,26-diferuloyloxyhexacosane. All 6 identified compounds were natural phenolic compounds observed for the first time from Daqu, and all of them exhibited significant antioxidant activities.
YAO Can
,
ZHOU Hanling
,
GONG Yu
,
LIAO Qinjian
,
WU Linwei
,
LI Yanghua
,
YANG Tao
,
AN Mingzhe
,
LI Guoyou
. Phenolic compounds in Wuliangye Daqu and their antioxidant activities[J]. Food and Fermentation Industries, 2019
, 45(4)
: 55
-59
.
DOI: 10.13995/j.cnki.11-1802/ts.018429
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