He describes how during the food manufacturing process a wide array of additives are used, including binding agents, elasticity agents, color protecting agents, preservatives, and pigments. The most harmful of these additives is the color protecting agent known as nitrite.
一書中指出，這個過程中，必須添加粘著劑、彈性劑、保色劑、防腐劑、著色劑（色素）等 9 類 10 多種添加物，其中危害最大要算「保色劑」──亞硝酸鹽。