Masayendisiti kubva kuInstitute of Plant Biochemistry. Leibniz muHalle, Germany, akagadzira matomatisi epepuru achishandisa genetic engineering matekiniki. Kuti vaite izvi, vakaisa majini ane chekuita neiyo biosynthesis ye betanin kubva kumabheti muchirimwa chematomatisi, uye akaamisa mumichero inoibva.
Betanine haigadzirwe nemiti yemadomasi; inotorwa mubeetroot uye inoshandiswa sechikafu chekudya chekudya.
Chinangwa chikuru chechidzidzo ichi chakanga chisiri chekugadzira mhando itsva yematomatisi kuti ishandiswe nevanhu, asi kuvandudza nzira dzekugadzirwa kwemajini, nokuti munyaya iyi miti ye transgenic ichabudisa pigment inooneka zvakajeka.
Zvirimwa zvinoshanda zvakanyanya uye zvakaoma masisitimu ane huwandu hukuru hwemaitiro ekudzora ayo, panzvimbo yekukurumidza, anogona kunonoka nzira yebiosynthesis yezvinhu zvinogadzirwa. Aya maitiro akaoma emhinduro haasati anyatso kunzwisiswa.
Vatsvagiri kubva kuHalle vakaisa majini matatu muchirimwa chematomatisi anodiwa pa biosynthesis ye betanin, pamwe neanoverengeka "genetic switch" kuitira kuti majini akaiswa anongoshanda mumuchero panguva yekuibva. Zvisinei, kugadzirwa kwebetanin mumuchero kwakanga kusina basa pakutanga.
Zvakanga zvakafanira kuisa gene yechina, ichipa chinhu chakakosha chepamberi kuitira kuchengetedza huwandu hwepamusoro hwepigment biosynthesis. Aya ndiwo maitiro akazvarwa madomasi epepuru akasviba, aine betanin yakawanda kupfuura beetroot pachayo.
Zvibereko zvinoguma zvakachengeteka zvachose kuti zvishandiswe uye zvinobatsira kwazvo, sezvo betanin, semamwe akawanda akawanda pigments, ine yakasimba antioxidant effect.
Michero yepepuru inogona zvakare kuve sosi ye betanin, ruvara rwechikafu. Kuedza kwekutanga kushandisa domatisi betanin kupendesa yoghurt nemaremoni kwaburitsa zvinofadza uye zvinovimbisa.