Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

Department of Pharmaceutical Technology, Federal Fluminense University─UFF, Niteroi, Rio de Janeiro 24241-000, Brazil Institute of Chemistry, Federal Fluminense University─UFF, Niteroi, Rio de Janeiro ...

School of Chemistry, Pharmacy and Food Biosciences, University of Reading, Whiteknights, Reading RG6 6AD, U.K.

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As a conventional solid fermentation of Baijiu, Xiaoqu jiu is a very popular Chinese liquor in Asia. Xiaoqu jiu can be classified into three main types: Qing-xiang; Yu ping shao; and Guilin-sanhua jiu ...

School of Chemistry and Biochemistry/Institute of Paper Science and Technology, Georgia Institute of Technology, 10 th St. NW, Atlanta, GA, 30318, USA ...

Column chromatography was carried out on silica gel (200-300 mesh). Thin layer chromatography (TLC) was performed using silica gel 60 F plates. 1 H NMR and 13 C NMR spectra were measured on an AV-600 ...