Me yasa tumatir ya rasa dandano? Me yasa wasu jita-jita ke kiran ketchup lokacin dafa abinci tare da tumatir? Waɗannan su ne wasu tambayoyi guda biyu da Qian Feng, 'yar takarar digiri na biyu a Kwalejin Aikin Gona da Muhalli ta Jami'ar Jojiya, ke neman amsa ta hanyar bincikenta.
Feng, mamba ne na dakin binciken halittu na Farfesa Esther van der Knaap a Cibiyar Kiwon Lafiya ta UGA, ta girma a kasar Sin, babban mai samar da tumatir. Yawancin jita-jita na gargajiya na kasar Sin sun haɗa da tumatir a matsayin babban sinadari, amma Feng ya fahimci yanayin ruɗani.
"Sau da yawa fiye da a'a, iyalina sun ƙara yawan ƙarin kayan abinci don fitar da ɗanɗanon 'tumatir' daidai," in ji Feng.
Rashin gamsuwa da bayanin ɗanɗanon ɗanɗano, Feng ya fara binciken tarihin juyin halitta na tumatir don gano duk wani halayen da zai iya bayyana asarar dandano. Ta gano cewa ta hanyar zaɓen kiwo don ƙara girma da harsashi na kariya na waje - baya ga kiwon nau'in tumatir masu jure cututtuka - manoma da masu samarwa sun haifar da ƙarancin ɗanɗano da ƙarancin tumatur mai gina jiki.
Makullin aunawa da ƙara ɗanɗanon tumatir yana cikin sinadarai, musamman adadin da nau'in sinadarai, ko masu lalacewa, da ke cikin abinci. "Don haɗa sauye-sauye daban-daban zuwa ainihin zaɓin mabukaci, ba za mu iya dogara kawai ga ƙimar da aka auna ba. Muna buƙatar samun kwamitin ɗanɗano don a yi la'akari da tunanin ɗan adam game da dandano, "in ji Feng.
Yin amfani da bincike daga Denise Tieman da Harry Klee a Jami'ar Florida, wadanda suka kwashe shekaru suna tattara bayanan maras kyau tare da kimantawar panel dandano daga nau'in tumatir sama da 100, Feng ya sami damar yin taswirar ƙarin kwayoyin halittar da ke da alhakin samar da maras kyau don ba da cikakken cikakken bayani. hoton hanyoyin biochemical a cikin tumatir.
Ko da yake ci gaba da bincike a cikin dakin gwaje-gwaje na van der Knaap ba zai mai da hankali kan kiwo ba don kara yawan adadin da aka gano a cikin tumatur, Feng na fatan za a iya amfani da sakamakonta ta wasu dakunan gwaje-gwaje da wuraren kiwon kiwo don gabatar da kyawawan kwayoyin halitta a cikin nau'ikan tumatir na yanzu ko sabbin nau'ikan tumatir. .
Don ƙarin bayani:
Jami'ar Georgia
www.uga.edu