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    • 5. 发明申请
    • STABLE, AQUEOUS DISPERSIONS AND STABLE, WATER-DISPERSIBLE DRY XANTHOPHYLL POWDER, THEIR PRODUCTION AND USE
    • 稳定的水分散体和稳定,叶黄素,生产和使用水干粉
    • WO1998026008A1
    • 1998-06-18
    • PCT/EP1997006712
    • 1997-12-01
    • BASF AKTIENGESELLSCHAFTAUWETER, HelmutBOHN, HeribertLÜDDECKE, Erik
    • BASF AKTIENGESELLSCHAFT
    • C09B61/00
    • C07C403/24A23K20/179A23L5/44A61K9/145A61K9/146A61K31/047A61K31/122C09B61/00C09B67/0084C09B67/0091
    • In a process for producing a stable, aqueous dispersion or a stable, water-dispersible dry xanthophyll powder: (a) a molecular disperse solution of at least one xanthophyll, if required together with an emulsifier and/or an edible oil is produced in a water-miscible organic solvent or in a mixture of water and a water-miscible, organic solvent, at temperatures above 30 DEG C; (b) this solution is mixed with an aqueous solution of a mixture of protective colloids; (b1) the mixture containing at least one low molecular protective colloid component and at least one high molecular protective colloid component whose molecular weights differ by at least 10,000; (b2) the solvent component being converted into the aqueous phase and the hydrophobic phase of the xanthophyll being produced as a nanodisperse phase; and (c) if required, the thus obtained dispersion is freed from solvent and water to produce a water-dispersible dry powder and dried, if required in the presence of a coating material.
    • 制备稳定的,水分散体或叶黄素的由至少一个叶黄素任选混溶)一起与乳化剂和/或食用油分子分散溶液在水 - 有机溶剂或水的混合物和稳定的水分散性干粉末 与水混溶的有机溶剂,在温度大于30℃下产生,b)将该溶液与保护胶体的混合物的水溶液,B1),其中所述混合物含有至少一种低分子量的保护胶体组分和至少一种高分子量保护胶体组分,其 平均分子量由至少10,000个不同,B2)中的溶剂成分被转移到水相和形成的叶黄素的疏水相为纳米分散相c)和,任选地,形成有用于herstel分散 水分散性干燥粉末的开发和从溶剂和不含水,任选地在涂层材料变干的存在。