Kurongedza chikafu chestarch yechibage zvinoreva zvinhu zvekurongedza zvinogadzirwa kubva kustarch yechibage, chiwanikwa chechisikigo uye chinogona kuvandudzwa. Zvinhu izvi zvekurongedza zvinogona kuora uye zvinogona kuomeswa, zvichipa imwe nzira inogara kwenguva refu pane kurongedza kwepurasitiki kwechinyakare.
Starch yechibage, inobva mumbeu yechibage, inogadziriswa kuti ibudise chikamu chestarch. Starch iyi inozoshandurwa kuita bioplastic inonzi polylactic acid (PLA) kuburikidza nemaitiro anonzi fermentation. PLA inogona kushandiswa kugadzira mhando dzakasiyana dzekurongedza, kusanganisira matireyi echikafu, midziyo, makapu, uye mafirimu.
Kurongedza chikafu chestarch yechibage kune zvakawanda zvinoonekwa nepurasitiki yechinyakare, zvakaita sekugara kwenguva refu, kuchinjika, uye kujeka. Inogona kuchengetedza nekuchengetedza chikafu zvinobudirira, ichivimbisa kuchengetedzeka kwayo uye mhando. Zvisinei, mukana mukuru wekurongedza chikafu chestarch yechibage ndewekuti ine hushamwari kune zvakatipoteredza.
Uyezve, kurongedza chikafu chestarch yechibage kunobva kune chinhu chinogona kuvandudzwa - chibage - zvichiita kuti chive sarudzo inogara kwenguva refu kana tichienzanisa nekurongedza kwakagadzirwa nemafuta epasi. Nekushandisa starch yechibage sechinhu chisina kugadzirwa, tinogona kuderedza kuvimba kwedu nezvinhu zvisingadzokororwe uye kuderedza kuburitswa kwemhepo inopisa ine chekuita nekugadzirwa kwepurasitiki.