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US 2015/0087822 A1Published application
Anthocyanidin complex
AssigneeSapiotec GmbH
InventorsNorbert Roewer, Jens Broscheit
Life of this patent
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Abstract
The invention relates to a complex of pure anthocyanidin and a sulfoalkyl ether β-cyclodextrin, which complex can be formulated as an aqueous solution and as a solid, and a method for producing such a complex. Complexes according to the invention are storage-stable and can be well formulated as an aqueous solution.
Claims23
A complex of an anthocyanidin and a sulfoalkyl ether β-cyclodextrin.
A process for the preparation of a complex of an anthocyanidin and a sulfoalkyl ether β-cyclodextrin, comprising the steps:
- a) preparing an aqueous solution of the sulfoalkyl ether β-cyclodextrin,
- b) adding the anthocyanidin and mixing to prepare the complex.
Dependencies are inferred from the claim text.