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A pentose sugar, C5H10O5, that is a constituent of RNA and of certain vitamins and coenzymes.

[German, alteration of English arabinose, a kind of sugar : (gum) arab(ic) + -in + -ose.]


(ˈraɪbəʊz; -bəʊs)
(Biochemistry) biochem a pentose sugar that is an isomeric form of arabinose and that occurs in RNA and riboflavin. Formula: CH2OH(CHOH)3CHO
[C20: changed from arabinose]


(ˈraɪ boʊs)

a white, crystalline, water-soluble, slightly sweet solid, C5H10O5, a pentose sugar obtained by the hydrolysis of RNA.
[< German Ribose, earlier Ribonsäure (1891) =Ribon (from Arabinose arabinose, by arbitrary rearrangement and shortening) + Säure acid]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ribose - a pentose sugar important as a component of ribonucleic acid
carbohydrate, saccharide, sugar - an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
References in periodicals archive ?
D-ribose is a naturally occurring carbohydrate molecule that facilitates the production of ATP, the body's energy currency.
The formula features carbohydrates, D-ribose and L-carnitine.
I also found the addition of D-Ribose very significantly helped with energy, lack of muscle pain and fatigue.
We have also seen a move away from traditional caffeine-centered energy products in favor of more unique formulations featuring stimulant-free energy support," she notes, adding that while caffeine remains a "dominant player" in the industry, ingredients such as D-ribose, glucuronolactone, quercetin and taurine are safer choices and "growing in popularity as effective ingredients within the energy category.
I have been using d-ribose for more than 5 years, with good results for both systolic and diastolic heart failure.
At one time, D-ribose was thought to be just a structural component of DNA and RNA, but a series of studies in the 1950s revealed that this sugar molecule plays a role in an important metabolic reaction central to energy synthesis.
They found that D-ribose, a naturally occurring sugar produced by fermentation in large scales, potentially provides an inexpensive and abundant source of starting material for making the drug.
The strain was able to utilize many carbon sources like L-arabinose, mesoinositol, D-xylose, manitol, D-fructose, L-rhamnose, D-lactose, D-mellibiose, xylan, D-ribose, malonate and adipate.
6 Growth on: Casamino acids ND + Sucrose - - ([dagger]) D-Ribose ND - ([dagger]) DL-Aspartate ND - L-Proline ND - L-Glutamate ND W ([dagger]) L-Leucine ND Degradation of: Starch - - Gelatin + + ([dagger][dagger]) Tween 80 ND + Tyrosine + + Agar ND - Carboxymethyl cellulose ND - Cellulose ND - Chitin ND - Esculin ND - Nitrate reduction + + ([dagger][dagger]) [H.
In terms of dielectric properties, the whey protein gel, containing 35% Whey Alacen 878, 1% D-ribose and 64% water, matched the pretreated sliced beef that was heated for four minutes in boiling water containing 0.
zooepidemicus by Vitek2, but aesculin was not hydrolyzed, and D-ribose fermentation was noted, as previously described for S.
The energy jellybeans are loaded with vitamins B12, B6, CoQ10, pantothenic acid, niacin, folic acid, biotin, taurine, D-glucuronolactone and D-ribose (www.