a-Linolenic Acid(65%,75%,90%) For short as ALA, it consist in green vegetables in the form of glyceride, which is one important raw material of N-3Unsaturated Fatty Acid, which can not be synthesized by human body itself, but take in from nature only. It is an essential unsaturated fatty acid for human body, and is the important part forming histiocyte of mankind, the necessary substance for health of human body. Chemical Name: Allcis----9,12,15----Octadecatrienoic Acid Symbol: 18:3n-3 Molecular Formular : C18H30O2 Molecular Weight: 278.4 Proportion: 0.92 Chemistry Configuration: Packing: 100,200kg/drum. Usages: pharmaceutical health care product and food additive