Polylactic acid (PLA) bụ ihe ọhụrụ na-emebi emebi, bụ nke ejiri akụrụngwa starch mee ihe sitere na akụrụngwa osisi enwere ike imeghari (dịka ọka). A na-enweta glucose site na starch raw material site na saccharification, mgbe ahụ, a na-emepụta lactic acid dị ọcha site na ịgbara glucose na ụfọdụ nje bacteria, mgbe ahụ, a na-emepụta polylactic acid nwere ụfọdụ ịdị arọ molecular site na usoro njikọ kemịkalụ.
Ọ nwere ezigbo biodegradability. Mgbe ejiri ya mee ihe, ọ nwere ike imebi ya kpamkpam site na microorganisms na okike, n'ikpeazụkwa na-emepụta carbon dioxide na mmiri, nke na-adịghị emetọ gburugburu ebe obibi, nke bara ezigbo uru maka nchebe gburugburu ebe obibi. A na-amata ya dị ka ihe na-emetụta gburugburu ebe obibi.
Usoro ọgwụgwọ nke plastik nkịtị ka na-ere ọkụ na ọkụ ọkụ, na-eme ka ọnụ ọgụgụ dị ukwuu nke ikuku griin haus na-ahapụ n'ikuku, ebe a na-eli polylactic acid plastik n'ime ala maka mmebi, na carbon dioxide na-emepụta ozugbo na-abanye n'ime ala organic okwu ma ọ bụ bụ. etinye obi gị dum site na osisi, nke na-agaghị ahapụ n'ikuku na-agaghị eme ka griin haus mmetụta.