Abstract
High-performance liquid chromatography coupled with a UV photodiode-array detector and a mass spectrometer (HPLC–MS) was used to analyze the constituents of an extract of Citrus changshan-huyou Y. B. Chang peel. Structures of two flavanones were identified based on their abundant [M+H]+ ions, UV spectra, and 1HNMR and 13CNMR spectrometer as 5,4′-dihydroxy flavanone-7-O-α-glucoside (naringenin-7-O-α-glucoside) and 5,3′-dihydroxy-4′-methoxy flavanone-7-O-α-glucoside (hesperetin-7-O-α-glucoside). The two flavanones were first identified from peel of Citrus changshan-huyou Y. B. Chang.
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Acknowledgments
We are grateful to Erning Yang for his support in LC–MS analysis. This work was funded by Natural Science Foundation of Hubei Province through the project “study on the antimicrobial compounds of peel of Citrus changshan-huyou” (2001ABB107).
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Li, C., Gu, H., Dou, H. et al. Identification of flavanones from peel of Citrus changshan-huyou Y. B. Chang, by HPLC–MS and NMR. Eur Food Res Technol 225, 777–782 (2007). https://doi.org/10.1007/s00217-006-0481-z
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DOI: https://doi.org/10.1007/s00217-006-0481-z