MICROCAPSULES COMPRISING LUTEIN OR LUTEIN ESTER
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Abstract
The invention relates to a microcapsule comprising at least one active substance selected from lutein and lutein esters embedded in a matrix comprising fish gelatine and optionally one or more other matrix components, wherein the content of said at least one active substance calculated as free lutein is from 0.5 to 25% of total weight of the microcapsule, and which microcapsule does not comprise any added emulsifier.
The invention further relates to a process of preparing the microcapsule as well as uses and products comprising the microcapsule.
2 Citations
36 Claims
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1-17. -17. (canceled)
- 18. A microcapsule comprising at least one active substance selected from lutein and lutein esters embedded in a matrix comprising fish gelatine, and optionally one or more other matrix components, wherein the content of said at least one active substance calculated as free lutein is from 0.5 to 25% of total weight of the microcapsule, and which microcapsule does not comprise any added emulsifier.
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33. A microcapsule comprising at least one active substance selected from lutein and lutein esters embedded in a matrix comprising fish gelatine and optionally one or more other matrix components, wherein the content of said at least one active substance calculated as free lutein is from 0.5 to 25% of total weight of the microcapsule, and which microcapsule does not comprise any added emulsifier obtainable by a process comprising the steps of
melting or dissolving lutein or lutein ester concentrate(s), providing an aqueous solution of said fish gelatine and said optionally other matrix components, mixing said aqueous solution and said melted or dissolved lutein or lutein ester concentrate(s), homogenizing the resulting preparation without addition of an emulsifier, finely dividing and drying the mixture thus obtained to prepare a mass of particles each containing lutein or lutein ester(s) embedded in said fish gelatine.
Specification