Ngakhale mdziko mukagwa dzombe limaononga mmera mminda ndi zomera zina , kumbali ina amakhala madalitso chifukwa ngati ndiwo , zoulukazi zilinso ndi ubwino wake kuthupi la munthu chifukwa zili ndi ma protein ochuluka komanso zinc ndi iron , michere yomwe imathandiza kumanga thupi , malingana ndi kafukufuku wa bungwe la Food and Agriculture Organisation ( FAO ) .