Journal
FOOD CHEMISTRY
Volume 139, Issue 1-4, Pages 735-743Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2013.02.017
Keywords
Pomelo cultivars; Antioxidant activity; Antihyperlipidemic activity; Hierarchical clustering analysis; Total phenolics
Funding
- Thailand Research Fund (TRF) [RDG5420029]
- Chulalongkorn University
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Pomelo (Citrus grandis L Osbeck) is a native fruit of great economic importance in Southeast Asia. To provide experimental evidence for the antioxidant and antihyperlipidemic properties of pomelo, 6 cultivars, including Kao-Yai (KY), Thong-dee (TD), Kao-Tangkwa (KT), Kao-Numpueng (KN), Ta-Koi (TK), and Tubtim Siam (TS) were evaluated. KY had the highest phenolic content, and the strongest 1,1-diphenyl-2-pireyhydrazyl radical scavenging capacity and hydroxyl radical scavenging activity. From the high-performance liquid chromatography analysis, naringin and naringenin were the major flavonoids in the KT and TK cultivars. Six pomelo cultivars had antihyperlipidemic activities including the inhibition of pancreatic lipase and cholesterol esterase, as well as cholesterol micelle formation and bile acid binding. Hierarchical clustering analysis showed that the 6 cultivars were separated into 2 classifications. In addition, the total phenolics of the pomelo cultivars were significantly correlated with ferric reducing antioxidant power and Trolox equivalent antioxidant capacity. The results suggest that pomelo provides significant health benefits and may be used for developing functional foods. (C) 2013 Elsevier Ltd. All rights reserved.
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