Benders'dictionary of nutrition and food technology

33action in treating cancer), the drug isoniazid forms an inactiveadduct with vitamin b 6 .antixerophthalmic vitamin See vitamin a.antral chalone Peptide hormone secreted by the stomach;decreases gastric secretion.antralectomy Surgical removal of the antrum of the stomach,for treatment of peptic ulcers that are resistant to othertherapy.antrum The region of the stomach adjacent to the pylorus; itsecretes most of the gastric acid, pepsin and gastrin. See gastrointestinaltract.AOAC International Originally the Association of Official AgriculturalChemists, formed in 1884 to adopt uniform methods ofanalysis of fertilisers; name changed in 1965 to the Associationof Official Analytical Chemists. Its main purpose is to promotevalidation and quality assurance in analytical science, and todevelop new methods. Web site http://www.aoac.org/.AOM See active oxygen method.aortic aneurysm See aneurysm.apastia Refusal to take food, as an expression of a psychiatricdisturbance.See also anorexia nervosa.aperient Any mild laxative.APF See animal protein factor.APHA American Public Health Association; web sitehttp://www.apha.org/.aphagia Inability to swallow. Difficulty in swallowing isdysphagia.aphagosis Inability to eat.aphtha Small ulcers occurring singly or in groups in the mouth assmall red or white spots. Cause unknown.apiculture Bee keeping for honey production; derives from theLatin name of the honey bee, Apis mellifera.apio Root vegetable from the legume Apios tuberosa, eaten likepotatoes.apo-carotenals See carotenals.apoenzyme The protein part of an enzyme which requires acoenzyme for activity, and is therefore inactive if the coenzymeis absent.See also enzyme activation assays; prosthetic group.apoferritin The protein part of ferritin. See iron storage.apolipoprotein The protein part of lipoproteins, without theassociated lipid. See lipoproteins, plasma.Apollinaris water An alkaline, highly aerated, mineral water (seewater, mineral) containing sodium chloride and calcium,