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Micellar integrierter Oxidationsschutz für natürliche Farbstoffe
专利权人:
AQUANOVA AG
发明人:
BEHNAM, DARIUSH
申请号:
EP08020842.4
公开号:
EP2192160B1
申请日:
2008.12.01
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
Solubilisate comprises: (a) at least one natural dye that is non-soluble or only poorly soluble in water (b) at least one emulsifier having a hydrophilic-lipophilic balance-value of 8-19 (c) at least two antioxidant agents, where the dye and the antioxidant agent are present together in a micelle and optionally (d) water. An independent claim is included for a method for preparing the solubilisate comprising: (i) preparing a first mixture from the natural dye and emulsifier (ii) heating the first mixture at 80-150[deg] C, where the temperature adaptably adjusted to the characteristics of the dye (iii) cooling the first mixture to 50-70[deg] C (preferably 58-62[deg] C) (iv) preparing a second mixture from water and antioxidants (v) heating the second mixture at 60-70[deg] C (preferably 63-65[deg] C) (vi) combining the first and the second mixtures under homogenization and heating at 80-90[deg] C (preferably 84-86[deg] C) to form the solubilisate, in which the dye and the antioxidant are together present in the micelle and (vii) cooling the solubilisate to a temperature below 50[deg] C.
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