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Benders'dictionary of nutrition and food technology

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117chuño Traditional dried potato prepared in the highl<strong>and</strong>s <strong>of</strong> Peru<strong>and</strong> Bolivia. The tubers are crushed, pressed, frozen during thenight then dried in the sunshine during the day.chutney Originally Hindi; a strong, sweet relish. It is a type <strong>of</strong>pickle with a lower acidity <strong>and</strong> higher sugar content.chyle See lymph.chylomicrons Large plasma lipoproteins, assembled in the smallintestinal mucosa, <strong>and</strong> containing mainly triacylglycerol synthesisedfrom the products <strong>of</strong> intestinal lipid hydrolysis. They areabsorbed into the lymphatic system, then enter the bloodstreamat the thoracic duct. Tissues take up triacylglycerol by the action<strong>of</strong> lipoprotein lipase, <strong>and</strong> chylomicron remnants are cleared bythe liver.See also lipoproteins, plasma.chymase Alternative name for chymosin.chyme The partly digested mass <strong>of</strong> <strong>food</strong> as it exists in thestomach.chymosin Also known as rennin, an enzyme (EC 3.4.23.4), in theabomasum <strong>of</strong> calves <strong>and</strong> the stomach <strong>of</strong> human infants, that clotsmilk; it hydrolyses the κ-casein surrounding the casein micelles,so permitting coagulation <strong>and</strong> precipitation. No evidence that isimportant in digestion in adults. Biosynthetic chymosin is usedin cheese-making (vegetable rennet).See also cheese; rennet.chymotrypsin An enzyme (EC 3.4.21.1) involved in the digestion<strong>of</strong> proteins; secreted as the inactive precursor chymotrypsinogenin the pancreatic juice. It is activated by trypsin, <strong>and</strong> is anendopeptidase, with specificity for esters <strong>of</strong> aromatic aminoacids.See also elastase; pepsin; trypsin.chytridiomycetes Anaerobic fungi with a motile zoospore phaseresembling the flagellate protozoa <strong>of</strong> the rumen flora; they makea significant contribution to ruminant digestion <strong>of</strong> lignocellulose.The vegetative phase colonises lignified regions <strong>of</strong> the leaves <strong>of</strong>a variety <strong>of</strong> tropical grasses.ciabatta See bread.cibophobia Dislike <strong>of</strong> <strong>food</strong>.cider, cyder An alcoholic beverage; fermented apple juice (inUK may include not more than 25% pear juice). In USA theterm cider or fresh cider is used for unfermented apple juice; thefermented product is hard or fermented cider.Composition: Dry cider, 2.6% sugars, 3.8% alcohol, 460 kJ(110 kcal);. sweet cider, 4.3% sugars, 525 kJ (125 kcal); vintagecider 7.3% sugars, 10.5% alcohol, 1260 kJ (300 kcal)/300 mL (halfpint).

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