gastric secretion. Â© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. gastric secretion Gastric juice contains the enzymes chymosin (in infants) and lipase, the inactive precursor of pepsin (pepsinogen), intrinsic factor, mucin, and hydrochloric acid.
Bisphenol A (BPA) Overview & Updates. BPA (Bisphenol A) is a chemical used in certain food contact materials and first approved by FDA in the early 1960s. In recent years, concerns have been raised about BPA's safety. In August 2008, FDA released a draft report finding that BPA remains safe in food contact materials.
Carcinoembryonic antigen (CEA) is a protein that is found in many types of cells. It is associated with tumors or a developing fetus. Blood levels of this protein disappear after birth. In adults, CEA may be a possible sign of cancer. The CEA test is performed to monitor the severity of cancer or tumors in the patients. The values obtained after the CEA test indicates the response of body to the therapy.