ʻO ka polylactic acid (PLA), i ʻike ʻia he polylactide, he polyester aliphatic i hana ʻia e ka polymerization dehydration o ka waikawa lactic i hana ʻia e ka microbial fermentation ma ke ʻano he monomer.Hoʻohana ia i ka biomass hou e like me ke kulina, ke kō, a me ka ʻokiʻoki ma ke ʻano he kumu waiwai, a he nui nā kumu kumu a hiki ke hoʻololi hou ʻia.ʻO ke kaʻina hana o ka polylactic acid he haʻahaʻa-carbon, pili kaiapuni, a emi ʻole ka haumia.Ma hope o ka hoʻohana ʻana, hiki ke hoʻopili ʻia kāna mau huahana a hoʻohaʻahaʻa ʻia e ʻike i ka pōʻai i ke ʻano.Eia kekahi, hoʻohana nui ʻia a he haʻahaʻa haʻahaʻa ka uku ma mua o nā plastic degradable maʻamau e like me PBAT, PBS, a me PHA.No laila, ua lilo ia i mea biodegradable ikaika loa a wikiwiki loa i nā makahiki i hala iho nei.

ʻO ka hoʻomohala ʻana o ka polylactic acid ka mea nui i ka honua.I ka makahiki 2019, ʻo nā noi nui o ka PLA honua i ka hoʻopili ʻana a me ka papa ʻaina, ka mālama olakino a me ka mālama pilikino, nā huahana kiʻiʻoniʻoni, a me nā mākeke hopena ʻē aʻe he 66%, 28%, 2%, a me 3%.

ʻO ka noi mākeke o ka polylactic acid ka mea i hoʻomalu ʻia e ka papa ʻaina disposable a me ka hoʻopili ʻana i ka meaʻai me kahi ola pōkole, a ukali ʻia e ka papa ʻaina semi-durable a i ʻole nā ​​​​mea hoʻohana nui.Kākoʻo nui ʻia nā huahana kiʻi ʻoniʻoni e like me nā ʻeke kūʻai a me ka mulch e ke aupuni, a hiki i ka nui o ka mākeke ke lele nui i ka wā pōkole.Hiki ke piʻi aʻe ka mākeke no nā huahana fiber e like me nā diapers a me nā napkin maʻemaʻe ma lalo o nā koi o nā lula, akā pono kāna ʻenehana composite i kahi holomua.ʻO nā huahana kūikawā, e like me ka paʻi 3D ma ka liʻiliʻi akā kiʻekiʻe ka waiwai hoʻohui, a me nā huahana e koi ana i ka hoʻohana lōʻihi a i ʻole ka wela wela, e like me nā mea uila a me nā mea kaʻa.

Ua manaʻo ʻia ʻo ka nui o ka hana makahiki o ka polylactic acid ma ka honua holoʻokoʻa (koe wale ʻo Kina) ma kahi o 150,000 tons a ʻo ka hopena makahiki ma kahi o 120,000 tons ma mua o 2015. Ma ke ʻano o ka mākeke, mai 2015 a 2020, e ulu wikiwiki ka mākeke polylactic acid honua. i ka huina makahiki ulu ulu ma kahi o 20%, a maikaʻi ka mākeke.
Ma keʻano o nā'āpana'āina,ʻoʻAmelika Hui PūʻIa ka papa hana nui loa o ka polylactic acid, a ma hope o Kina, me ka māhele mākeke hana o 14% ma 2018. Ma keʻano o ka hoʻohana'āina, ke hoʻomau neiʻoʻAmelika Hui PūʻIa i kona kūlana alakaʻi.Ma ka manawa like, ʻo ia hoʻi ka mea kūʻai nui loa ma ka honua.I ka makahiki 2018, ua kūʻai ʻia ka mākeke polylactic acid (PLA) honua ma US $ 659 miliona.E like me ka plastic degradable me ka hana maikaʻi loa.Manaʻo ka poʻe i loko o ka mākeke e pili ana i ka mākeke e hiki mai ana