CAJ | 학술논문

为研究不同品种葵花籽油的氧化稳定性,采用Schaal烘箱法连续加热12 d,分别测定葵花籽油过氧化值、酸值、碘值、共轭二烯和共轭三烯含量,并用高效液相色谱法分析亚油酸与α-生育酚含量。结果表明：在氧化过程中油葵6号过氧化值在6d时均显著低于其他各品种,共轭二烯含量显著低于T012244和内葵杂3号,碘值在9 d时显著高于内葵杂3号但与白葵杂6号和T012244差异不显著,酸值与共轭三烯含量在12 d时均显著低于白葵6号、T012244。油葵6号过氧化值、酸值和碘值在6d内均未超过国标规定的标准。油葵6号中亚油酸与α-生育酚含量均显著高于其他各品种。油葵6号葵花籽油氧化稳定性较强。
위연구불동품충규화자유적양화은정성,채용Schaal홍상법련속가열12 d,분별측정규화자유과양화치、산치、전치、공액이희화공액삼희함량,병용고효액상색보법분석아유산여α-생육분함량。결과표명：재양화과정중유규6호과양화치재6d시균현저저우기타각품충,공액이희함량현저저우T012244화내규잡3호,전치재9 d시현저고우내규잡3호단여백규잡6호화T012244차이불현저,산치여공액삼희함량재12 d시균현저저우백규6호、T012244。유규6호과양화치、산치화전치재6d내균미초과국표규정적표준。유규6호중아유산여α-생육분함량균현저고우기타각품충。유규6호규화자유양화은정성교강。
In order to evaluate the oxidative stability of oils extracted from different sunflower varieties, peroxide value,acid value,iodine value,contents of conjugated diene and conjugated triene of sunflower seed oils were determined after being heated continuously for 12 d using Schaal oven method. The con-tents of linoleic acid and α-tocopherol were analyzed by high performance liquid chromatography. The results showed that the peroxide value of Youkui No. 6 was the lowest,its content of conjugated diene was markedly lower than that of T012244 and Neikuiza No. 3 on the 6th day during oxidation. The iodine val-ue of Youkui No. 6 was significantly higher than that of Neikuiza No. 3 on the 9th day,but there was no significant difference among Youkui No. 6,Baikuiza No. 6 and T012244. And the acid value and content of conjugated triene of Youkui No. 6 were significantly lower than those of Baikuiza No. 6 and T012244 on the 12th day. The peroxide value,acid value and iodine value within 6 d of Youkui No. 6 did not exceed the national standard of sunflower seed oil. Besides, the contents of linoleic acid and α-tocopherol of Youkui No. 6 were the highest. It indicated that the oxidative stability of Youkui No. 6 sunflower seed oil was better.