e/Vitamer

Information
has gloss	eng: A vitamer of a particular vitamin is any of the chemical compounds which exhibit vitamin activity. Very commonly "vitamins" are not single compounds, but rather each vitamin, which is defined by its biological activity, not its structure, is actually represented by a number of substances, all of which show vitamin activity. These substances are called vitamers.
lexicalization	eng: vitamer
instance of	(noun) any of a group of organic substances essential in small quantities to normal metabolism vitamin

Meaning
Lithuanian
has gloss	lit: Vitameras - vitamino atmaina, cheminis junginys, turintis to vitamino veiklumą (aktyvumą). Paprastai vitaminai nėra pavienės medžiagos, o grupė medžiagų (vitamerų), kurios turi tokį patį biologinį poveikį, o jų sandara gali gana smarkiai skirtis.
lexicalization	lit: Vitameras