lactic acid molecule, structural chemical formula, ball-and-stick model, image milk acid

lactic acid molecular structure isolated alphahydroxy chemical formula lactide atomic atom model molecule compound milk chemistry lactate blood hydrogen fermentation bond carbon composition exercise muscle science tooth bacteria skeletal decay biodegradable acidosis polylactic oxygen plasma serum carries icon polyester sour organic bioplastic dehydrogenase hydroxy hydroxypropanoic polylactide biology cosmetic education structural ball- -stick image ball- -stick acid