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Gelatin containing beta-carotene

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TLDR
A combination of β-carotene and iron oxides as lightfast, opaque colorant of gelatin and their use in foods and pharmaceuticals, in particular in the shell of soft gelatin capsules, is described in this paper.
Abstract
The invention relates to a combination of β-carotene and iron oxides as lightfast, opaque colorant of gelatin and their use in foods and pharmaceuticals, in particular in the shell of soft gelatin capsules.

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Coronary dilator in a pharmaceutical dosage unit form

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