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

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