Benders'dictionary of nutrition and food technology

4332.6 mg, B 6 0.1 mg, folate 3 µg, B 12 1.2µg, pantothenate 0.3 mg, C2mg. A 50 g serving is a source of Cu, P, a good source of Se, arich source of I, vitamin B 12 .sialic acids N-Acetyl-neuraminic acid (amino sugar) derivatives;constituents of gangliosides, glycoproteins and bacterial cellwalls.sialogogue Substance that stimulates the flow of saliva.sialorrhoea Or ptyalism, excessive flow of saliva.sidemeats See offal.sideroblast Red blood cell precursor in which iron-containinggranules are visible. May be present in normal individuals, absentin iron deficiency anaemia. Sideroblastic anaemia is characterisedby the presence of abnormal ringed sideroblasts in theblood.sideropenia iron deficiency.siderophilin See iron transport.siderosis Accumulation of the iron–protein complex, haemosiderin,in liver, spleen and bone marrow in cases of excessivered cell destruction and in diets exceptionally rich in iron.See also haemochromatosis.sierra rice See rice, fermented.sigmoidoscope Instrument that is inserted through the anus toview the interior of the rectum and sigmoid colon.sign Indication of a disorder that is observed by a physician butis not apparent to the patient.See also symptom.sild Traditional UK name applied to a mixture of young herringand young sprat when canned, since they are caught togetherand cannot be separated on a commercial scale. When fresh orfrozen the mixture is termed whitebait.silica gel Sodium silicate, used as a drying agent in packaging. Itcan be regenerated by heating to drive off adsorbed water.silicones Organic compounds of silicon; in the food field they areused as antifoaming agents, as semipermanent glazes on bakingtins and other metal containers, and on non-stick wrappingpaper.silver Not of interest in foods apart from its use in covering ‘nonpareils’,the silver beads used to decorate confectionery. Presentin traces in all plant and animal tissues but not known to be adietary essential, and has no known function, nor is enough everabsorbed to cause toxicity.See also oligodynamic.silver beet See swiss chard.simethicone See dimethicone.