| 摘要 |
The invention relates to a method for the extraction of an active component with a nutritional effect on the skin, characterised in comprising the following steps: solubilisation of animal, vegetable or fish proteins in water, with a proportion of at least 5 % by weight; simultaneous or successive hydrolysis of the above suspension in the presence of one or several enzymes chosen from bacterial aminopeptidases applicable in neutral or acid medium, animal stomach proteases applicable in an acid medium, bacterial proteases applicable in a neutral medium, bacterial proteases applicable in an alkaline medium extracted from Bacillus Licheniformis or Bacillus Subtilis, bacterial endoproteases or pancreatic enzymes of animal origin; concentration of the active fraction of small peptides of molecular mass less than 1400 daltons and a sterilising filtration to give a total mesophilic flora of less than 100 germs/g and an absence of yeasts and moulds. The invention also relates to obtained active component and the cosmetic compositions comprising the above. |
