Monday, August 29, 2011

Identification of an emulsifier and conditions for preparing stable nanoemulsions containing the antioxidant astaxanthin

Synopsis

In this study, oil-in-water nanoemulsions of astaxanthin were prepared by high-pressure homogenization. The influence of emulsifying conditions including emulsifier type, concentration, passing time, astaxanthin concentration and coantioxidants were optimized. The stabilities of nanoemulsions were measured using zetasizer, FF-SEM, TEM, colorimeter and particle size analyzer. The mean diameter of the dispersed particles containing astaxanthin ranged from 160 to 190 nm. The size distribution was unimodal and extended from 100 to 200 nm. The nanoemulsions prepared with glyceryl citrate/lactate/linoleate/oleate (glyceryl ester) had smaller particle size and narrower size distribution than the emulsion prepared with ...

Identification of an emulsifier and conditions for preparing stable nanoemulsions containing the antioxidant astaxanthin is a post from: Skincare




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