Kungani utamatisi ubonakala ulahlekelwe ukunambitheka kwawo? Kungani ezinye izitsha zibiza i-ketchup lapho zipheka notamatisi? Lena imibuzo embalwa u-Qian Feng, owenza unyaka wesibili owenza iziqu zobudokotela e-University of Georgia College of Agricultural and Environmental Sciences, afuna ukuyiphendula ngocwaningo lwakhe.
UFeng, ilungu lelebhu yezitshalo zezitshalo kaSolwazi u-Esther van der Knaap e-UGA Institute of plant, genetics, and genomics, ukhulele e-China, umkhiqizi omkhulu katamatisi. Izitsha eziningi zesiShayina zifaka utamatisi njengesithako esiyinhloko, kodwa uFeng wabona ukuthambekela okudidayo.
“Ngokuvamile, umndeni wami bekumele wengeze izinongo eziningi ukuze ukhiphe ukunambitheka 'katamatisi' okulungile," kuchaza uFeng.
Enganelisekile ngephrofayili ye-flavour engacacile, uFeng waqala ukuphenya umlando wokuziphendukela kwemvelo katamatisi ukuze embule noma yiziphi izici ezingachaza ukulahleka kokunambitheka. Uthole ukuthi ngokuzalanisa okukhethiwe ukwandisa usayizi kanye negobolondo elivikelayo langaphandle - ngaphezu kokuzalanisa izinhlobo zamatamatisi ezimelana nezifo - abalimi nabakhiqizi badale ukunambitha okuncane kakhulu kanye notamatisi ongenamsoco.
Isihluthulelo sokulinganisa nokwandisa ukunambitheka kukatamatisi sitholakala kumakhemikhali awo, ikakhulukazi inani kanye nohlobo lwamakhemikhali, noma ama-volatile, akhona ekudleni. “Ukuze sixhumanise ukuguquguquka okuhlukile kokuthandwa ngabathengi kwangempela, asikwazi ukuthembela nje enanini elilinganisiwe. Kudingeka sibe nephaneli yokunambitha ukuze kucatshangelwe umbono womuntu wokunambitheka,” kusho uFeng.
Esebenzisa ucwaningo lukaDenise Tieman noHarry Klee eNyuvesi yaseFlorida, asebechithe iminyaka beqoqa idatha eguquguqukayo kanye nokuhlolwa kwephaneli yokunambitha evela ezinhlobonhlobo zikatamatisi ezingaphezu kwe-100, uFeng ukwazile ukwenza imephu yofuzo eyengeziwe ebhekele ukukhiqizwa okuguquguqukayo ukuze anikeze okuphelele. isithombe sezindlela ze-biochemical kutamatisi.
Nakuba ucwaningo olwengeziwe elebhu ye-van der Knaap lungeke lugxile ekuzaleni okukhethekile ukuze kwandiswe inani lokuguquguquka okuhlonziwe kutamatisi, uFeng uthemba ukuthi imiphumela yakhe ingasetshenziswa amanye amalebhu okuzalanisa kanye nezinsiza ukwethula izakhi zofuzo ezifiselekayo ezinhlobonhlobo zamanje noma ezintsha zikatamatisi. .
Ukuze uthole ukwaziswa okwengeziwe:
University of Georgia
www.uga.edu