Gastric secretion cells of gastric mucosa secrete gastric juice composed of hydrochloric acid (HCl), pepsinogen, intrinsic factor (IF), and mucus HCl and pepsinogen initiate protein digestion. IF is required for vitamin B12 absorption in ileum.
Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water.
DBA is also an abbreviation for doing business as-a term sometimes used in business and legal writing. dBA is an abbreviation for A-weighted decibels.