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HETEROSIDE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-08-31

English

Subject field(s)
  • Chemical Elements and Compounds
  • Biochemistry
DEF

One of a group of organic compounds, of abundant occurrence in plants which can be resolved by hydrolysis into sugars and other organic substances known as aglycones.

OBS

glycoside : This term is considered by some authors a synonym for "heteroside", defined as a "glycoside which, on hydrolysis, yields a noncarbohydrate as well as a glycose. "By comparison, a "glycoside" is an acetal derivative of sugar which on hydrolysis(as by the action of enzymes or dilute acids) yields one or more molecules of a sugar and OFTEN a noncarbohydrate.

OBS

Specifically glycosides are acetals which are derived from a combination of various hydroxy compounds with various sugars. They are designated individually as glucosides, mannosides, galactosides, etc. Glycosides were formerly called "glucosides", but the latter term now refers to any glycoside having glucose as its sugar constituent.

French

Domaine(s)
  • Éléments et composés chimiques
  • Biochimie
DEF

Nom générique des glucides formés par la combinaison d'un ose ou d'un holoside avec un composé d'origine différente (aglycone).

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Bioquímica
DEF

Compuesto orgánico del que forman parte uno o más glúcidos y un aglucón, es decir, una sustancia de naturaleza no glucídica.

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Record 2 2005-04-06

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
DEF

A bitter heteroside extracted from the flowers and fruit(the rind in particular) of the grapefruit tree(Citrus decumana) [which is used as a] flavoring agent for liquors, beverages and ice cream.

OBS

7-O-rhamnosylnaringenin: The capital letter "O" must be italicized.

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
DEF

Hétéroside au goût amer retiré des fleurs et du fruit (le zeste, en particulier) du pamplemoussier (Citrus decumana) [que l'on utilise comme] aromatisant pour [des] liqueurs et [des] boissons diverses, [de même que pour la] crème glacée.

CONT

La naringine est dédoublée par les acides étendus en naringénine et rhamnose.

OBS

7-O-rhamnosylnaringénine : La lettre majuscule «O» s'écrit en italique.

Spanish

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