Zeacarotene colorant for food and pharmaceuticals

A - Human Necessities – 23 – L

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A23L 1/275 (2006.01) C07C 403/24 (2006.01) C09B 61/00 (2006.01)

Patent

CA 2458313

The use of .alpha.-zeacarotene, .beta.-zeacarotene or a mixture of both as a colouring agent for food or pharmaceutical compositions. For addition to the food or pharmaceutical composition or otherwise incorporation therein during its preparation the zeacarotene (mixture) is generally first formulated to a solid or liquid colorant composition in the form of a stable water-soluble or - dispersible powder, an aqueous colloidal solution or oil-in-water dispersion of such a powder, an oil-in-water dispersion of the zeacarotene (mixture), or an oil-soluble dispersion of the zeacarotene (mixture) in a triglyceride. In a solid colorant composition the the zeacarotene (mixture) is generally finely dispersed in a matrix or carrier. Such colorant compositions may be prepared by homogenizing, in an aqueous or colloidal solution of a carrier and optionally one or more water-soluble excipients and/or adjuvants, a solution or dispersion of the zeacarotene (mixture) and optionally one or more fat- soluble excipients and/or adjuvants in a triglyceride or an organic solvent, or in a mixture of both triglyceride and organic solvent, and, if required, converting the so obtained dispersion into a solid composition. The colorant compositions, their processes of preparation and the food or pharmaceutical compositions which comprise the zeacarotene (mixture) as the colouring agent are further aspects of this invention.

Cette invention concerne l'utilisation de .alpha.-z~acarot­ne, de .beta.-z~acarot­ne ou d'un m~lange des deux comme agent colorant pour des produits alimentaires ou des compositions pharmaceutiques. Destin~ ~ Útre ajout~ ~ la nourriture ou ~ la composition pharmaceutique ou ~ Útre introduit dans ces derni­res lors de sa pr~paration, le z~acarot­ne (m~lange) est, d'une mani­re g~n~rale, d'abord pr~par~ en une composition colorante liquide ou solide se pr~sentant sous la forme d'une poudre stable soluble dans l'eau ou dispersible dans l'eau, d'une solution collo~dale aqueuse ou d'une dispersion huile dans eau d'une telle poudre, d'une dispersion huile dans eau du z~acarot­ne (m~lange) ou d'une dispersion soluble dans l'huile de z~acarot­ne (m~lange) dans un triglyc~ride. Dans une composition colorante solide, le z~acarot­ne (m~lange) est, d'une mani­re g~n~rale, finement dispers~ dans une matrice ou un support. Ces compositions colorantes peuvent Útre pr~par~es au moyen d'un proc~d~ consistant ~ homog~n~iser, dans une solution aqueuse ou collo~dale d'un support et ~ventuellement d'un ou plusieurs excipients et/ou adjuvants solubles dans l'eau, une solution ou une dispersion de z~acarot­ne (m~lange) et ~ventuellement un ou plusieurs excipients et/ou adjuvants solubles dans l'huile dans un triglyc~ride ou un solvant organique ou dans un m~lange ~ la fois de triglyc~ride et de solvant organique, et si n~cessaire, ~ convertir la dispersion ainsi obtenue en une composition solide. Cette invention porte ~galement sur des compositions colorantes, leurs proc~d~s de pr~paration ainsi que sur les produits alimentaires et les compositions pharmaceutiques contenant du z~acarot­ne (m~lange) comme agent colorant.

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