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Benders'dictionary of nutrition and food technology

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240the 12th century ceremonial cutting <strong>of</strong> <strong>food</strong> became a spectaclefor Japanese nobility.hock (1) Generic term for white wines from the Rhine region <strong>of</strong>Germany, known in USA as Rhine wines; bottled in brown glass,to distinguish from Moselle wines (in green glass).(2) The knuckle <strong>of</strong> pork; also used in USA for foreleg porkshank.hodge podge Victorian; stew made from left-over cooked meatwith vegetables.hogget One-year-old sheep. See lamb.hogshead A traditional UK measure <strong>of</strong> volume or size <strong>of</strong> barrel:for beer or cider contains 54 gallons (243 L); for wine contains52 1 / 2 gallons (236 L).hoki A white fish (Macruronus novaezeal<strong>and</strong>iae); New Zeal<strong>and</strong>’smost abundant commercial fish species. Also known as whiptail,blue hake or blue grenadier.holocellulose Mixture <strong>of</strong> cellulose <strong>and</strong> hemicellulose in wood,the fibrous residue that remains after the removal <strong>of</strong> lignin <strong>and</strong>minerals.holoenzyme An enzyme protein together with its coenzyme orprosthetic group.See also enzyme activation assays.holosides Complex carbohydrates that yield only sugars onhydrolysis, as distinct from heterosides, which yield other substancesas well as sugars on hydrolysis, e.g. tannins, anthocyanins,nucleosides.hominy Prepared maize kernels, also known as samp. Lye hominy– pericarp <strong>and</strong> germ removed by soaking in caustic soda. Pearledhominy – degermed hulled maize. Corn grits are ground hominy.homocysteine An amino acid formed as an intermediate in themetabolism <strong>of</strong> methionine; demethylated methionine; M r 117.2,pK a 2.22, 8.87, 10.86 (—SH). Does not occur in <strong>food</strong>s to any significantextent, <strong>and</strong> not generally considered to be <strong>of</strong> <strong>nutrition</strong>alimportance.High blood homocysteine (possibly a result <strong>of</strong> poor folic acid,vitamin b 2 , b 6 <strong>and</strong> b 12 status) has been implicated in the development<strong>of</strong> atherosclerosis <strong>and</strong> heart disease, associated with agenetic polymorphism in methylene tetrahydr<strong>of</strong>olate reductase,EC 1.7.99.5).homocystinuria A genetic disease caused by lack <strong>of</strong> cystathioninesynthetase (EC 4.2.1.22), leading to impaired conversion <strong>of</strong>the amino acid methionine to cysteine, characterised by excretion<strong>of</strong> homocysteine <strong>and</strong> its derivatives. May result in mentalretardation <strong>and</strong> early death from atherosclerosis <strong>and</strong> coronarythrombosis if untreated, as well as fractures <strong>of</strong> bones <strong>and</strong> dislo-

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