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

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