Asayansi ochokera ku Institute of Plant Biochemistry. Leibniz ku Halle, Germany, anapanga tomato wofiirira pogwiritsa ntchito njira zopangira majini. Kuti achite izi, adayikapo majini omwe amachititsa kuti betanin apangidwe kuchokera ku beets kupita ku chomera cha phwetekere, ndikuyambitsa zipatso zakucha.
Betanine samapangidwa ndi zomera za phwetekere; amachotsedwa ku beetroot ndipo amagwiritsidwa ntchito ngati chakudya chachilengedwe.
Cholinga chachikulu cha phunziroli sichinali kupanga mitundu yatsopano ya tomato kuti anthu azidya, koma kupititsa patsogolo njira zogwiritsira ntchito majini, chifukwa pamenepa zomera za transgenic zidzatulutsa pigment yowonekera bwino.
Zomera ndizothandiza kwambiri komanso zovuta zomwe zimakhala ndi njira zambiri zoyendetsera zomwe, m'malo mofulumizitsa, zimatha kuchepetsa njira ya biosynthesis yazinthu zopangidwa. Njira zofotokozera zovutazi sizikumvekabe bwino.
Ofufuza ochokera ku Halle anaika majini atatu mu chomera cha phwetekere, chomwe chili chofunikira pa biosynthesis ya betanin, komanso "ma genetic switch" angapo kuti majini omwe amalowetsedwa azitha kugwira ntchito mu zipatso panthawi yakucha. Komabe, kupanga betanin mu chipatso kunali konyozeka poyamba.
Zinali zofunikira kuyika jini yachinai, kupereka chinthu chofunikira kwambiri kuti chikhale chokhazikika cha pigment biosynthesis. Umu ndi momwe tomato wakuda wofiirira anabadwira, wokhala ndi betanin wochulukirapo kuposa beetroot wokha.
Zipatso zomwe zimatuluka zimakhala zotetezeka kuti zigwiritsidwe ntchito komanso zothandiza kwambiri, popeza betanin, monga ma pigment ena ambiri, ali ndi antioxidant wamphamvu.
Zipatso zofiirira zimatha kukhalanso gwero la betanin, mtundu wa chakudya. Kuyesera koyambirira kugwiritsa ntchito betanin ya phwetekere kukongoletsa ma yoghurt ndi mandimu kwabweretsa zotsatira zosangalatsa komanso zolimbikitsa.