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Updated: May 25, 2026

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Published on: March 18, 2011
Regiospecific profiles of fatty acids in triacylglycerols and phospholipids from Adzuki beans (Vigna angularis)
Hiromi Yoshida1, Yuka Tomiyama, Naoko Yoshida
1Department of Nutritional Sciences, Kobe Gakuin University, Kobe, Hyogo, 651-2180 Japan. yoshida@nutr.kobegakuin.ac.jp
Abstract:
Regiospecific distributions of fatty acids (FA) of triacylglycerols (TAG) and phospholipids (PL) isolated from five cultivars of adzuki beans (Vigna angularis) were investigated. The lipids comprised mainly PL (72.2-73.4 wt-%) and TAG (20.6-21.9 wt-%), whilst other components were detected in minor proportions (0.1-3.4 wt-%). The principal profiles of the FA distribution in the TAG and PL were evident in the beans among the five cultivars: unsaturated FA were predominantly distributed in the sn-2 position, whilst saturated FA primarily occupied the sn-1 or the sn-3 position in the these lipids. The results would be useful information to both producers and consumers for manufacturing traditional adzuki confectionaries such as wagashi in Japan.
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