SOYA EXTRACT CONTAINING LIPIDS, PROCESS FOR ITS PRODUCTION, AND PHARMACEUTICAL AND COSMETIC COMPOSITION

摘要

A soya extract having a more precisely defined ratio of sphingomyelins to phospholipids, and its production process are claimed. The latter involves the following stages: a) extraction of ripe whole soya beans or oil-free soya flour using aliphatic alcohols or a mixture of these alcohols with water; b) concentration of the extract from stage a); c) extraction of the concentrated extract from stage b) by treatment with aliphatic hydrocarbons; d) treatment with vegetable activated carbon and concentration of the extract from stage c) by evaporation; e) insolubilization of the active components using aliphatic ketones; f) filtration of the active components, and drying. Also claimed is a pharmaceutical and cosmetic composition containing said extract, which is intended in particular for the prevention or treatment of dry skin.