lactic acid (l-lactic acid) milk sugar molecule. building block of polylactic acid (pla) bioplastic. found in milk. skeletal

acid acidosis atomic atoms bacteria biodegradable bioplastic blood carbon carries chemical chemistry composition compound decay dehydrogenase drawing e270 exercise fermentation flat formula hydrogen hydroxypropanoic icon lactate lactic lactide line milk molecular molecule muscle oxygen plasma polyester polylactic polylactide serum skeletal sour structure tooth