Colored hard capsules
OwnerKazuyoshi Taniguchi, Hiroshi Ohnuki +2inventors
InventorsKazuyoshi Taniguchi, Hiroshi Ohnuki, Eisaku Sai, Kenji Miyata
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Abstract
Natural pigments that can be blended into capsules that satisfy the stability and characteristics required for capsules under practical conditions of production and that also have an aesthetic color. Hard capsules can include 0.01 to 5.0% by weight of natural pigment or natural pigment derivative selected from the group consisting of gardenia red pigment, marigold pigment, purple corn pigment, tamarind pigment and sodium iron chlorophyllin, or from 0.1 to 5.0% by weight of titanium dioxide together with said pigment.
Claims6
A hard capsule comprising from 0.01 to 5.0% by weight of a pigment selected from the group consisting of gardenia red pigment, marigold pigment, purple corn pigment, tamarind pigment, sodium iron chlorophyllin and mixtures thereof.
Dependencies are inferred from the claim text.