PROBLEM TO BE SOLVED: To provide a polyunsaturated fatty acid-containing edible vegetable oil and fat having excellent oxidation stability, good flavor and high versatility and to provide foods utilizing the same.SOLUTION: There is provided a polyunsaturated fatty acid-containing edible vegetable oil and fat containing 30 to 80 wt.% of an α-linolenic acid in a fatty acid composition. The content of a water-soluble tea polyphenol is 150 to 4000 wt.ppm with respect to the polyunsaturated fatty acid-containing edible vegetable oil and fat, the content of an emulsifier is 150 to 4000 wt.ppm, the content of the emulsifier in the oil and fat is 1.5 times or less the content of the water-soluble tea polyphenol and the value of P/S obtained by the following method is 0.8 or more. The emulsifier is a polyglycerol condensed ricinoleic acid ester. P: CDM stability time of a polyunsaturated fatty acid-containing edible vegetable oil and fat containing 150 to 4000 wt.ppm of a water-soluble tea polyphenol. S: CDM stability time of purified soybean oil without adding an antioxidant substance.COPYRIGHT: (C)2015,JPO&INPIT【課題】優れた酸化安定性を有し、かつ風味良好な汎用性の高い多価不飽和脂肪酸含有食用植物油脂及びそれを利用した食品の提供。【解決手段】脂肪酸組成中にαリノレン酸を30~80重量%含む多価不飽和脂肪酸含有食用植物油脂において、該多価不飽和脂肪酸含有食用植物油脂に対し水溶性茶ポリフェノール含有量が150~4000重量ppm、乳化剤含有量が150~4000重量ppm、該油脂中の乳化剤含有量が水溶性茶ポリフェノール含有量の1.5倍以下、及び下記方法で得られるP/Sの値が0.8以上である多価不飽和脂肪酸含有食用植物油脂。乳化剤がポリグリセリン縮合リシルイン酸エステルである多価不飽和脂肪酸含有植物油脂。P:水溶性茶ポリフェノールを150~4000重量ppm含有する多価不飽和脂肪酸含有食用植物油脂のCDM安定性時間。S:抗酸化物質無添加の精製大豆油のCDM安定性時間。【選択図】なし
