Ma'aikatan Jami'ar Michigan da ke Amurka sun gano hanyar rage yawan ciwon daji da ke fitowa a lokacin soya dankali.
A lokacin ajiya a ƙananan zafin jiki, ana fara tsari a cikin tubers wanda ke ba da gudummawa ga karuwa a yawan adadin sitaci (CIS). Kuma sakamakon maganin zafin su, an kafa acrylamide - wani abu mai cutar kansa wanda ke da haɗari ga lafiyar ɗan adam.
Amurkawa sun yi nasarar gano kwayar halittar da ke da alhakin samar da sitaci a lokacin adana dankali na dogon lokaci. Marubutan binciken sun ba da shawarar wata hanyar da za ta hana duhun tubers a cikin firiji da kuma samar da abubuwa masu cutarwa daga gaba.
A lokacin gwaje-gwajen, masana kimiyya sun yi amfani da gyaran kwayoyin halitta don zaɓar dankali mai jure wa CIS a cikin greenhouses. Sakamakon aikin su yana buɗe buƙatun don haɓaka sabbin nau'ikan amfanin gona waɗanda za'a iya kiyaye su na dogon lokaci tare da sigogin microclimate da ake buƙata a cikin ajiya. A lokaci guda, an cire yiwuwar samuwar acrylamide.