Lipid Composition of Korean Rapeseed (Brassica napus L.) Cultivar and Antioxidant Capacity of Phenolic Extract
2014
Lee, A.Y., Daegu University, Daegu, Republic of Korea | Hong, S.T., Chungnam National University, Daejeon, Republic of Korea | Jang, Y.S., Rural Development Administration, Jeonju, Republic of Korea | Lee, J.H., Daegu University, Daegu, Republic of Korea
This study investigated lipid profiles and antioxidant capacities of seven Korean rapeseed cultivars (Naehan, Tamla, Mokpo111, Yeongsan, Tammi, Hanla, and Mokpo68). The rapeseeds contained 29.3¢¦33.2% of extracted lipid and major fatty acids were oleic, linoleic, and linolenic acids. The ratio of omega-6/omega-3 fatty acids was 2.20¢¦3.68 with the highest in Hanla and lowest in Naehan. Glycolipid ranged from 0.21 g/100 g to 0.47 g/100 g. Phospholipid content was 0.55¢¦1.15 g/100 g with the highest in Tammi and the lowest in Mokpo68, and the most common phospholipid was phosphatidylcholine. Tocopherol content was 9.45¢¦15.11 §·/100 g in the order of ¥㣾 ¥ ¥⣾ ¥�-tocopherol, and Naehan contained the highest amount of tocopherols (P£¼0.05). Total phenol content (TPC) of rapeseed was 314.64¢¦577.08 §· SAE/100 g. Tamla contained the highest TPC, and showed the highest antioxidant activity determined by 1,1-diphenyl-2-picrylhydrazyl free radical scavenging capacity and ferric reducing antioxidant power.
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