lactic acid l-lactic acid milk sugar molecule. building block of polylactic acid pla bioplastic. found in milk. 3d rendering..

abstract acid acidosis atomic atoms bacteria biodegradable bioplastic blood carries chemical chemistry composition compound decay dehydrogenase exercise fermentation geometric hydroxypropanoic lactate lactic lactide milk model molecular molecule muscle organic plasma polyester polylactic polylactide rendering science scientific serum sour tooth vector