alpha-linolenic acid (ala) molecule. essential polyunsaturated omega-3 fatty acid, present in many vegetable oils

alpha linolenic acid linolenate ala omega omega3 unsaturated double bond essential fatty seeds seed plant herbal oil vegetable cis polyunsaturated flaxseed linseed soybean rapeseed canola octadecatrienoic hydrogen carbon oxygen molecule atoms atomic model molecular compound composition chemical chemistry structure formula circle ring line drawing skeletal