an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil

an emulsion comprising a continuous liquid phase, an emulsifier, and a discontinuous liquid phase comprising a blend including a polyunsaturated fatty acid source and a dispersing agent.

一种乳液，包括一连续液相、一乳化剂和一不连续液相，该不连续液相包括含有多不饱和脂肪酸源和分散剂的混合物。

dha is one of the richest content of long chain polyunsaturated fatty acid reviewed in brain and in retina light acceptor.

dha是大脑中最丰富的长链多不饱和脂肪酸之一，也是视网膜光受体中最丰富的多不饱和脂肪酸。

arachidonic acid was a kind of essential polyunsaturated fatty acid for human with great health function. now, people had recognized widely for their beneficial health effect.

花生四烯酸是一种人体必需的多不饱和脂肪酸，具有极高的保健价值，目前已经受到了人们的广泛关注。

phosphatidylcholine has been identified as the substrate of the dehydrogenase of polyunsaturated fatty acid biosynthesis in plants.

近年发现磷脂是多烯酸合成酶的底物。 这项发现及进一步深入的研究将给油料作物带来革命性变化。

polyunsaturated fatty acid intake should be up to 10 percent of calories. monounsaturated fatty acids make up the rest of the total fat intake, about 10 to 15 percent of total calories.

最多10%的热量来自多未饱和脂肪酸，而其余脂肪摄取量应全部来自单一不饱和脂肪酸，占总热量的10-15%。

the research advantages both home and abroad of pollen fatty acids and polyunsaturated fatty acid are discussed. polyunsaturated fatty acids are hot point for research presently.

论述国内外花粉脂肪酸和多不饱和脂肪酸研究进展，指出多不饱和脂肪酸的利用是当前的热点之一。

this article has briefly summarized the recent development and discussed the relationships between polyunsaturated fatty acid syntheses and triacylglycerol structures.

本文综述了此项最新研究成果，并阐述了其对甘三酯中脂肪酸立体分布的影响。

epa is a polyunsaturated fatty acid with 20 carbon atoms in its backbone, while dha is a polyunsaturated fatty acid with 22 carbon atoms.

epa是以22个碳原子为骨架的多元不饱和脂肪酸，而dha是有22个碳原子的多元不饱和脂肪酸。

saturated fatty acid and trans fatty acid in fried food were higher than non-fried food; polyunsaturated fatty acid and cis fatty acid of fried food was lower than non-fried food.

实验发现，油炸后食品中饱和脂肪酸和反式脂肪酸含量比油炸前食品中含量有升高，而油炸后食品中多不饱和脂肪酸和顺式脂肪酸含量比油炸前食品中含量显着降低。