Final answer:
CFSAN refers to the Center for Food Safety and Applied Nutrition, a center within the FDA responsible for the safety of biotech foods and the enforcement of regulations concerning biotech pesticidal residues in food.
Step-by-step explanation:
The CFSAN stands for the Center for Food Safety and Applied Nutrition. It is the center within the FDA that is primarily responsible for ensuring the safety of biotech foods including enforcing allowable residue levels of biotech pesticidal substances that appear in food.
Apart from biotech food safety, CFSAN is also responsible for the regulation of cosmetics, the labeling of these products, ad ensuring the safety of color additives.