I-Polylactic acid (PLA) yinto entsha ebolayo, eyenziwe ngezinto eziluhlaza zesitatshi ezicetywayo zizityalo ezihlaziyekayo (ezifana nombona). I-glucose ifunyanwa kwizinto eziluhlaza zesitatshi ngokusebenzisa i-saccharification, ize emva koko i-lactic acid ecocekileyo kakhulu iveliswe ngokubiliswa kwe-glucose kunye neebhaktheriya ezithile, ize emva koko i-polylactic acid enobunzima obuthile be-molecular yenziwe ngendlela yokwenziwa kweekhemikhali.
Inokubola kakuhle. Emva kokusetyenziswa, inokonakala ngokupheleleyo ziintsholongwane ezikwindalo, ize ekugqibeleni ivelise i-carbon dioxide namanzi, okungangcolisiyo okusingqongileyo, nto leyo eluncedo kakhulu ekukhuseleni okusingqongileyo. Iqatshelwa njengezinto ezinobuhlobo nokusingqongileyo.
Indlela yokunyanga iiplastiki eziqhelekileyo isekukutshiswa nokutshiswa, nto leyo ebangela inani elikhulu leegesi zegreenhouse ezikhutshwa emoyeni, ngelixa iiplastiki zepolylactic acid zingcwatywa emhlabeni ukuze zonakaliswe, kwaye i-carbon dioxide eveliswayo ingena ngqo kwizinto eziphilayo zomhlaba okanye ifunxwe zizityalo, ezingayi kukhutshwa emoyeni kwaye aziyi kubangela impembelelo yegreenhouse.