Ososayensi abavela ku-Institute of Plant Biochemistry. U-Leibniz e-Halle, eJalimane, wenza utamatisi onsomi esebenzisa amasu wobunjiniyela bezakhi zofuzo. Ukwenza lokhu, bafaka izakhi zofuzo ezibhekele ukwenziwa kwe-betanin kusuka ku-beet esitshalweni sikatamatisi, futhi bazisebenzisa ezithelweni ezivuthwayo.
I-Betanine ayikhiqizwa izitshalo zikatamatisi; ikhishwa ku-beetroot futhi isetshenziswe njengombala wokudla wemvelo.
Umgomo oyinhloko walolu cwaningo kwakungekona ukudala izinhlobonhlobo ezintsha zamatamatisi ukuze kusetshenziswe abantu, kodwa ukuthuthukisa izindlela zobunjiniyela bezakhi zofuzo, ngoba kulokhu izitshalo ze-transgenic zizokhiqiza i-pigment ebonakalayo ngokucacile.
Izitshalo ziyizinhlelo eziphumelelayo kakhulu futhi eziyinkimbinkimbi ezinenani elikhulu lezinqubo zokulawula, esikhundleni sokusheshisa, zikwazi ukwehlisa inqubo ye-biosynthesis yento ekhiqizwayo. Lezi zindlela zokuphendula eziyinkimbinkimbi zisaqondwa kabi.
Abacwaningi abavela e-Halle bafaka izakhi zofuzo ezintathu esitshalweni sikatamatisi, okudingekayo ku-biosynthesis ye-betanin, kanye "nokushintshwa kofuzo" okuningana ukuze izakhi zofuzo ezifakiwe zisebenze kuphela ezithelweni ngesikhathi sokuvuthwa. Nokho, ukukhiqizwa kwe-betanin esithelweni kwakunganakwa ekuqaleni.
Kwakudingeka kufakwe isakhi sofuzo sesine, sinikeze into ebalulekile eyandulelayo ukuze kugcinwe izinga eliphakeme le-pigment biosynthesis. Wazalwa kanje utamatisi omnyama onsomi, oqukethe i-betanin eningi kune-beetroot uqobo.
Izithelo eziwumphumela ziphephe ngokuphelele ukusetshenziswa futhi ziwusizo kakhulu, ngoba i-betanin, njengamanye ama-pigments amaningi, inomphumela onamandla we-antioxidant.
Izithelo ezinsomi nazo zingaba umthombo we-betanin, umbala wokudla. Imizamo yakuqala yokusebenzisa i-tomato betanin ukufaka imibala kumayogathi namalemonadi ikhiqize imiphumela ethokozisayo nethembisayo.