期刊
FOOD CHEMISTRY
卷 129, 期 2, 页码 417-422出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2011.04.093
关键词
Citrus limetta Risso; Limetta juice; Mediterranean sweet lemon; HPLC-DAD-ESI-MS/MS; Flavonoids; Antioxidant activity
The flavonoid composition of crude Citrus limetta Risso (limetta, Mediterranean sweet lemon) juice was elucidated by means of reverse-phase HPLC-DAD-ESI-MS/MS analysis. In a single course, eight compounds (C- and O-glycosyl flavonoids) were identified, six of which were found for the first time in limetta juice: four C-glucosyl flavones, namely vicenin-2, lucenin-2 4'-methyl ether, orientin 4'-methyl ether and scoparin; the O-glycosyl flavone, rhoifolin; and the O-glycosyl flavanone, eriocitrin. In addition, ABTS' and DPPH. radical quenching and FRAP assays demonstrate that limetta juice possesses remarkable antioxidant activity. (C) 2011 Elsevier Ltd. All rights reserved.
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