Lipid Classes,Fatty Acid Distributions and Triacylglycerol Molecular Species of Broad Beans (<Emphasis Type="Italic">Vicia faba</Emphasis>) |
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Authors: | Hiromi Yoshida Yuka Tomiyama Naoko Yoshida Masayuki Saiki Yoshiyuki Mizushina |
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Affiliation: | (1) Department of Nutritional Science, Kobe Gakuin University, Arise, Ikawadani-cho, Nishi-ku, Kobe Hyogo, 651-2180, Japan;(2) RIKEN Center for Developmental Biology, 2-2-3 Minatojima Minamimach, Chuo-ku, Kobe Hyogo, 650-0047, Japan;(3) Cooperative Research Center of Life Sciences, 1-1-3 Minatojima Minamimach, Chuo-ku, Kobe Hyogo, 650-8586, Japan |
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Abstract: | Seed oils from four legume cultivars of Vicia faba, grown in Japan, were extracted and classified by thin-layer chromatography (TLC) into eight fractions. The major lipid components
were triacylglycerols (TAG: 48.8–50.1%) and phospholipids (PL: 47.5–50.5%), while hydrocarbons (HC), steryl esters (SE), free
fatty acids (FFA), diacylglycerols (1,3- and 1,2-DAG) and monoacylglycerols (MAG) were present in minor proportions (1.8–2.4%).
All lipid samples had high amounts of total unsaturated FA, representing 79.7–82.8% and 77.6–79.7% for TAG and PL, respectively.
Molecular species and FA distributions of TAG, isolated from the total lipids in the broad beans, were analyzed by a combination
of argentation-TLC and GC. Fourteen different molecular species were detected. With a few exceptions, the main TAG components
were S2D (6.1–8.9%), SD2 (7.8–10.5%), SMT (6.3–8.5%), M2D (4.5–6.2%), MD2 (18.9–21.8%), D3 (21.0–23.9%) and MDT (8.1–10.2%) (where S, M, D, and T denote a saturated fatty acid, a monoene, a diene, and a triene, respectively).
These results suggest that the lipid classes, FA distributions and TAG molecular species of broad beans are not dependent
on the cultivation areas during the growing season. |
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Keywords: | Acyl chain Broad beans (Vicia faba) Distributions Fatty acids Molecular species Triacylglycerols |
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