alpha-linolenic acid
nounMedical Definition of alpha-linolenic acid
: an isomer of linolenic acid that is an omega-3 fatty acid found especially in seeds (such as flaxseed and soybean) and the oil prepared from them
… the body does convert alpha-linolenic acid from flaxseed oil into the same type of omega-3 fatty acids found in fish oil in a somewhat slow and inefficient process. — Pat Kendall, The Gazette (Colorado Springs, Colorado), 28 Mar. 2001
—abbreviation ALA