Sulfur adsorbent for reducing onion or garlic breath odor

Details Sulfur adsorbent for reducing onion or garlic breath odor Sulfur adsorbent for reducing onion or garlic breath odor

A - Human Necessities

61

Q

A61Q 11/00 (2006.01)

Patent

CA 2380680

Compositions for adsorbing sulfur-containing compounds and eliminating or reducing odors associated with the ingestion of foods or medicines causing sulfur odor, such as garlic and onions, contain a metal complex of a substrate and a ligand. The complex may be contained in a carrier, such as a silica gel, and has low solubility in an aqueous environment. The ligand of the compositions may comprise an amino acid containing sulfur, nitrogen, or a carboxylic acid, such as cystine, and the substrate is a metal which may be copper, zinc, or iron.

La présente invention concerne des compositions destinées à l'adsorption des composés soufrés et à l'élimination ou l'atténuation d'odeurs associées à la consommation d'aliments ou de médicaments provoquant une odeur soufrée tels que l'ail et les oignons. Ces compositions contiennent un complexe métallique fait d'un substrat et d'un ligand. Ce complexe, qui peut être contenu dans un excipient tel qu'un gel de silice, présente une faible solubilité en environnement aqueux. Le ligand des compositions peut comporter un acide aminé soufré, azoté ou contenant un acide carboxylique tel que la cystine. Le substrat est un métal tel que le cuivre, le zinc ou le fer.

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