Food additives are chemicals commonly used to enhance processed foods. examples include nutrients, coloring agents, preservatives, humectants, texturizers, emulsifiers, and stabilizers. most are considered safe, but additives like sulfites and nitrites are a source of concern for some people. complete the statement about food additives. ascorbic acid (vitamin c) is safely added to food as a nutrient and also as a food additives are chemicals commonly used to enhance processed foods. examples include nutrients, coloring agents, preservatives, humectants, texturizers, emulsifiers, and stabilizers. most are considered safe, but additives like sulfites and nitrites are a source of concern for some people. complete the statement about food additives. ascorbic acid (vitamin c) is safely added to food as a nutrient and also as a humectant preservative coloring agent texturizer