This course uses in-depth explanations to cultivate students' basic understanding of food toxicants chemistry. The objective of course is to introduce the chemical structure and characteristics of toxic chemicals in food, including natural toxins in animal foodstuffs, toxic phytochemicals, toxic from fungi, food contaminants from industrial wastes, pesticide residues in foods, toxicants formed during food processing and food safety risk concern substances. The course also arranges students to discuss and report on food toxic substances and food safety incidents in the groups. Students can realize Food Safety and toxicants chemistry and be familiarized with solving problems using knowledge in Food Safety.