theanine, theanin molecule. it is neuroprotective agent, plant metabolite, is found in green tea. structural chemical formula on

theanine theanin amino acid camellia dietary ethyl ethylamide fungus glutamate glutamine glutamylethylamide green gyokuro plant sinensis skeletal supplement tea teanine umami drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector white dark blue molecule neuroprotective agent metabolite found tea background