aglycone in English

noun

compound created through the hydrolysis of a glycoside (Chemistry)

Use "aglycone" in a sentence

1. Higher levels of polyphenols therefore benefit the formation of aglycone.

2. Some gave information about the aglycone part, the glucuronic acid part and the molecular ion.

3. Simultaneously the stepped splitting of the carbohydrate fraction at C-3 of the aglycone takes place.

4. Helveticosol derivatives esterified at the C-atom 19 of the aglycone were hydrolysed only by guinea pig preparations.

5. In contrast, the aglycone k-Strophanthidin enters the brain less readily than the glycosides k-Strophanthin γ and α.

6. The results indicate that, following intravenous injection, the aglycone Digitoxigenin enters the brain more readily than the glycosides Digitoxin and Digilanid.

7. This compound is the aglycone of the antitumor antibiotic ravidomycin and is identical with the recently reported antimicrobial agent, defucogilvocarcin V.

8. The arrangement of paired and unpaired 13C atoms in chartreusin suggests that the aglycone is derived from a single 22-carbon polyketide chain.

9. Preferably, the polyphenolic materials comprise anthocyanin compounds which, most preferably, are aglycone anthocyanidins or glycosylated anthocyanins of the formula (III), wherein R1 and R2 are, independently, H, OH or OCH3, R3 is OH (aglycone anthocyanidins) or a glycosyl group (glycosylated anthocyanins), and x is a counter-ion.

10. The aglycone produced when sinigrin is hydrolysed by myrosin A Acrinyl from BIO 123 at University of Perpetual Help System JONELTA - Laguna Campus

11. The holostane-type aglycone features an endocyclic double bond at position C-7,8 and a β-acetoxy group at C-16.

12. Depressant effects predominated, but the aglycone Digitoxigenin and in mice also the glycosides k-Strophanthin γ and α had convulsant actions.

13. Furthermore, these compositions secure a continuum of the presence of bioflavonols having the same aglycone in human plasma over an extended period of time.

14. This compound has an IC50 of 1 μM in a [3H]ouabain binding assay, and is about 10 times more potent than the aglycone.

15. Pregnant Sprague-Dawley rats were injected intraperitoneally on day 18 with either Aflatoxin B1, or Methylazoxymethanol-acetate (i.e., the aglycone of the Cycasin) or Ethylnitrosourea.

16. The possibility of complexation between an acidic promoter like BF3 and the alcoholic aglycone has been studied as a key mechanistic intermediate in glycosylation reactions operating via an electron-deficient anomeric carbon.

17. Examination by 13C nuclear magnetic resonance spectroscopy of chartreusin produced in cultures of Streptomyceschartreusis supplemented with [1-13C] and [2-13C]acetate showed that the 19-carbon aglycone component was derived entirely from acetate.

18. Pure Rh2, a ginsenoside structurally related to PD, inhibited intestinal cell growth at greater than twice the concentration of PD, while Rh1, a ginsenoside structurally related to aglycone PT, had no cytotoxic effect.

19. Aglobulism aglomerular aglosia aglossal aglossate aglossia aglossia-adactylia syndrome aglossia-adactyly syndrome aglossostomia aglow aglucon aglucone aglutition aglycemia aglycon of gitoxin aglycone aglycosuria aglycosuric agmatine agmatology agmen Agmen peyerianum agminate agminate folliculitis agminate gland agminated agminated gland

20. The main substance could be identified as 3,5-dimethoxyphenol, the aglycone of taxicatine, which is a typical ingredient of yew leaves. 3,5-dimethoxyphenol was demonstrated in harvested yew leaves, stomach content and cardiac blood of the victim.

21. A new synthetic pathway to the carbocyclic nucleoside analogues (±)-aristeromycin (15) and its 5′-homo-derivative (17) has been developed starting form norborn-5-en-2-one using nucleophilic substitution of a sulfonate ester group by the aglycone.

22. However, there are also naturally-occuring N-glycosides, S-glycosides and C-glycosides, in which the sugar's anomeric carbon is linked to the aglycone via a nitrogen atom, a sulphur atom or a carbon atom (e.g., sinigrin, aloin, scoparin).

23. However, there are also naturally occuring N-glycosides, S-glycosides and C-glycosides, in which the sugar’s anomeric carbon is linked to the aglycone via a nitrogen atom, a sulphur atom or a carbon atom (for example, sinigrin, aloin, scoparin).

24. The invention relates to novel oligosaccharides and the derivatives thereof in addition to a general method for stereo divergent production of oligosaccharides from easily accessible simple glycosides, wherein a further saccharide element is stereo selectably created from the aglycone constituent thereof by means of chain elongation reactions.

25. The compound has the predicted properties: when included in the standard membrane filter test for the analysis of water, indoxyl-β-D-glucuronide allows specific detection of E. coli through the formation of blue colonies that are the result of rapid conversion of the liberated aglycone to indigo.

26. The equilibrium reactions between rutin, 3-[6-O-(6-deoxy-α-L-mannopyranosyl)-(β-D-glucopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one, and quercetin (rutin aglycone) with iron(III), copper(II), cobalt(II), and nickel(II) have been studied by potentiometric and spectrophotometric methods in aqueous solution.

27. The present invention relates to novel compositions comprising rosehip and at least one additional component e.g. selected from ligustilide, oleuropein (I), oleuropein aglycone (II), hydroxytyrosol, genistein, magnolol, honokiol, magnolia bark extract, cashew fruit extract and Glycyrrhiza foetida as well as to the use of these compositions as a medicament, in particular as a medicament for the treatment, co-treatment or prevention of inflammatory disorders.

28. The present invention belongs to the field of organic synthesis, relates to a method for synthesizing a saponin, and in particular, to a method for constructing a glycosidic bond in a saponin, and comprises the following steps: directly reacting an excessive amount of aldose or ketose with aglycone in a suitable organic solvent at 30 °C to a reflux temperature and with the presence of an acid catalyst, to obtain a target product saponin.

29. The present invention provides a composition of matter comprising a biosynthetic anti-inflammatory oligosaccharide, comprising the structure of: sugar - sugar - X - R; wherein said sugar is selected from the group consisting of N-acetylneuraminic acid, galactose, N-acetylglucosamine, N-acetylgalactosamine, fucose and mannose; wherein X is a bridging atom selected from the group consisting of oxygen, sulfur, nitrogen and carbon; and wherein R is an aglycone selected from the group consisting of naphthol, naphthalenemethane, indenol, a heterocyclic derivative of indenol, a heterocyclic derivative of naphthol and a heterocyclic derivative of naphthalenemethanol.