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Dihydroxyacetone (/ ˌ d aɪ h aɪ ˌ d r ɒ k s i ˈ æ s ɪ t oʊ n / ⓘ; DHA), also known as glycerone, is a simple saccharide (a triose) with formula C 3 H 6 O 3. DHA is primarily used as an ingredient in sunless tanning products. It is often derived from plant sources such as sugar beets and sugar cane, and by the fermentation of glycerin.
Dihydroxyacetone phosphate (DHAP, also glycerone phosphate in older texts) is the anion with the formula HOCH 2 C(O)CH 2 OPO 3 2-. This anion is involved in many metabolic pathways , including the Calvin cycle in plants and glycolysis .
[1] [2] The simplest ketose is dihydroxyacetone ((CH 2 OH) 2 C=O), which has only three carbon atoms. It is the only ketose with no optical activity . All monosaccharide ketoses are reducing sugars , because they can tautomerize into aldoses via an enediol intermediate, and the resulting aldehyde group can be oxidised , for example in the ...
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Aldolase B is a homotetrameric enzyme, composed of four subunits with molecular weights of 36 kDa with local 222 symmetry. Each subunit has a molecular weight of 36 kDa and contains an eight-stranded α/β barrel, which encloses lysine 229 (the Schiff-base forming amino acid that is key for catalysis).
D-Glyceraldehyde is an aldotriose because the carbonyl group is at the end of the chain Dihydroxyacetone is a ketotriose because the carbonyl group is the center of the chain.. A triose is a monosaccharide, or simple sugar, containing three carbon atoms.
Fructose 1,6-bisphosphate lies within the glycolysis metabolic pathway and is produced by phosphorylation of fructose 6-phosphate.It is, in turn, broken down into two compounds: glyceraldehyde 3-phosphate and dihydroxyacetone phosphate.
D-Erythrulose (also known as erythrulose) is a tetrose carbohydrate with the chemical formula C 4 H 8 O 4. [1] [2] It has one ketone group and so is part of the ketose family.It is used in some self-tanning cosmetics, in general, combined with dihydroxyacetone (DHA).