Analysis on the Content of Fatty Acids and Amino Acids in Kernel of Walnut Varieties

The components and content of fatty acids and amino acids in 20 varieties of walnut planted in Shanxi province were analyzed.The results show that the walnut kernel mainly consists of 5 kinds of fatty acids,palmitic acid,oleic acid,stearic acid,linoleic acid,α-linolenic acid,whose contents from high to low in an order of linoleic acid,oleic acid,α-Linolenic acid,palmitic acid,stearic acid,and in which the unsaturated fatty acids content reaches around 90%;and the linoleic acid(ω-6) /α-linolenic acid(ω-3)content ratio basically corresponds to the recommended values(5~10)∶1 of(ω-6)(/ ω-3)in human diets which are issued by FAO,United Nations;There is no difference between their components,but some difference to their content.All of these 20 varieties of walnut contain 17 kinds of amino acids,including 7 kinds of essential amino acids;and these amino acids are of the same kind,but their total content differentiate to each other.