Ososayensi bakholelwa ukuthi amajikijolo athile enza imithambo yegazi inwebeka kakhulu futhi abambe iqhaza ekwenzeni umfutho wegazi ube ojwayelekile. Abantu abadla amajikijolo acebile nge-flavonoid kwatholakala ukuthi banomfutho wegazi ophansi.
Ama-strawberry nama-blueberries anothe ngezinhlanganisela zezitshalo ezizuzisayo ezibizwa ngokuthi ama-anthocyanins, anikeza amajikijolo abe nemibala egqamile ebomvu, eluhlaza okwesibhakabhaka nokunsomi. Ososayensi baye bahlobanisa lezi zinhlanganisela nempilo engcono yabantu.
Ucwaningo luye lwathola ukuthi abesifazane abadla ama-blueberries angaphezu kwamathathu noma ama-strawberries ngesonto babe nengozi ephansi yokuhlaselwa yinhliziyo. Ingozi yokuhlaselwa yinhliziyo yehle ngo-34% uma kuqhathaniswa nalabo abadle amajikijolo ambalwa.
Ngaphezu kwalokho, ososayensi bakholelwa ukuthi i-anthocyanins yenza imithambo yegazi inwebeka futhi isiza ukwenza umfutho wegazi ube ujwayelekile, okungenye yezinto eziyingozi yokuhlaselwa yinhliziyo. Abacwaningi baphakamise ukuthi amathumbu angase abe nengxenye yemiphumela enenzuzo yama-flavonoid kumfutho wegazi.