Polylactic acid (PLA) bụ polyester aliphatic thermoplastic.Enwere ike nweta lactic acid ma ọ bụ lactide chọrọ maka mmepụta nke polylactic acid site na gbaa ụka, akpịrị ịkpọ nkụ na nchacha nke akụrụngwa mmeghari ohuru.Acid polylactic enwetara n'ozuzu nwere ezigbo ihe eji arụ ọrụ na nhazi ya, yana ngwaahịa polylactic acid nwere ike imebi ngwa ngwa n'ụzọ dị iche iche mgbe a tụfuru ya.