| 摘要 |
A method for obtaining an active ingredient used in cosmetics includes the following steps: chestnut flour is solubilised in water; enzymatic hydrolysis is carried out; the soluble and insoluble phases are separated by decanting, filtration or centrifuging; and the active phase is concentrated. Also described is the use of the active ingredient, and the active ingredient obtained, for improving the barrier effect on the skin. The active ingredient is characterised by the following parameters: dry matter concentration, pH, total sugar content, and the presence of three glucidic fractions.
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