Journal
FOOD CHEMISTRY
Volume 115, Issue 4, Pages 1424-1429Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2009.01.072
Keywords
Acyl chain; Adzuki beans (Vigna angularis); Distributions; Fatty acids; Molecular species; Tocopherols; Triacylglycerols
Funding
- Japan Society for the Promotion of Science (JSPS) [20500730]
- Grants-in-Aid for Scientific Research [20500730] Funding Source: KAKEN
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Fatty acid (FA) distributions and molecular species of triacylglycerols (TAG) isolated from total lipids extracted from adzuki beans (Vigna angularis) were analysed by a combination of AgNO3-TLC and GC, and were investigated in relation to the content of endogenous antioxidants determined by HPLC. delta-Tocopherol was present in the highest concentration (30.5 mg/kg beans), and gamma-tocopherol in small amounts (12.8 mg/kg beans). The major lipid components were phospholipids (74.3%), TAG (13.5%). hydrocarbons (4.6%) and steryl esters (4.0%), whilst other components were also present in minor proportions (0.5-1.3%). Seventeen different molecular species were detected. The major TAG components were SMD (5.0%), S2T (19.2%), SD2 (13.7%), SMT (9.3%), MD2 (4.5%), SDT (7.0%), D-3 (8.8%) and ST2 (15.8%) (where S, M, D, and T denote a saturated FA, a monoene, a diene, and triene, respectively). These results would be useful to both consumers and producers for manufacture of traditional adzuki foods in Japan. (C) 2009 Elsevier Ltd. All rights reserved.
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