Iyo salami inowana ruvara rwayo rutsvuku panguva yekugadzira. Iyo yakawedzerwa nitrite inoporesa munyu inosanganisa tsandanyama pigment (myoglobin) ne nitrite, zvichikonzera iyo inozivikanwa kwazvo ruvara rutsvuku. Iyo nzira inonzi reddening.
Ascorbic acid inowedzerwa kuitira kuti salami inotsvuka nokukurumidza sezvinobvira. Iyo yakagadzirwa yakagadzirwa vhitamini C inoshanda seyamuro. Panguva imwecheteyo, inova nechokwadi chokuti soseji inochengetedza ruvara rutsvuku uye salami ine hupenyu hurefu.