complex carbohydrate


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complex carbohydrate

A carbohydrate characterised by chemical complexity and multiple-side chains of glycogen and fibre; complex-carbohydrate-rich foods include whole grains, brown bread, brown rice, vegetables and beans.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

complex carbohydrate

1. A starch.
2. A molecule made of several linked saccharides; a polysaccharide.
ClassificationFormulaExamplesSome Properties
MonosaccharidesC6H12O6GlucoseCrystalline, sweet, very soluble, readily absorbed
PentosesC5H10O5 or C5H10O4RibosePart of nucleic acid, RNA
DeoxyribosePart of nucleic acid, DNA
Disaccharides(C6H10O5)2·H2O or C12H22O11 hydrolyzed to simple sugarsSucrose Lactose MaltoseCrystalline, sweet, soluble, digestible Present in milk
Polysaccharides(C6H10O5)n composed of many molecules of simple sugars. (Since polysaccharides can be composed of various numbers of monosaccharides and disaccharides, n refers to an unknown number of these groups.)Starch Dextrin Cellulose GlycogenAmorphous, little or no flavor, less soluble. Vary in solubility and digestibility.
EnzymeProduced inCarbohydrates DigestedEnd Product
Sucrase (invertase)Small intestineSucroseGlucose and fructose
MaltasesSmall intestine and mucosal cells of small intestineMaltoseTwo d-glucose
LactaseSmall intestineLactosed-glucose and d-galactose
Salivary amylaseSaliva (mouth)Cooked starch, glycogen, and dextrinsMaltose
Pancreatic amylasePancreasRaw and cooked starch and glycogenMaltose
See also: carbohydrate
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Their complex carbohydrates will do you a world of good.
A spokesman for Beano said: "Wind caused by food containing complex carbohydrates often makes it difficult for people to enjoy the food they love to indulge in."
The search for structure could help put to rest a long-running debate in the scientific community as to whether complex carbohydrate biopolymers require a defined structure to function.
(Irving, TX; 972-518-1300) announced it has been granted a new patent for the discovery and isolation of a new pectin (complex carbohydrate) from natural Aloe vera L.
Actually, though, the process he is thinking of is more particular: "a metabolic transfer between a complex carbohydrate and glucose." Of course!
Then he learned to make use of solid media for growing bacteria--gelatin, or a complex carbohydrate called agar, which could be obtained from seaweed.
According to a research conducted by the University of Adelaide, a new complex carbohydrate found in moss could possibly be exploited for health or other uses.
In the current study, 1 mg of Carbogen was given for each gram of complex carbohydrate in male Sprague-Dawley rats.
Lignin, which together with cellulose comprises wood, is a highly complex carbohydrate whose complete structure is unknown.
A banana, for example, is low in fat and is a complex carbohydrate. In other words,it's a great energy provider, plus it contains zinc and potassium which helps release those feel good endorphins.
Researchers studying the cognitive skills of a group of nine to 16-year-olds after they had eaten a complex carbohydrate meal, such as cereal, a simple carbohydrate breakfast, like a glucose drink, or no breakfast at all.
Increase your complex carbohydrate intake - vegetables, fruit, wholegrain bread, cereal and pasta, brown rice and potatoes and decrease your simple carbohydrate intake - sugars, biscuits, cakes, fizzy drinks, white bread, white pasta and jam.

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