Tetraselmis Extract
AssigneeSymrise AG
InventorsMartina Herrmann, Sandra Gaebler, Dominik Stuhlmann, Ann-Christin Weseloh, Imke Meyer
Life of this patent
Estimating the term…
Abstract
The present invention relates to a novel extract and a method for obtaining such an effective Tetraselmis extract which was found to have advantages in dermatological treatments and can be employed as a topical cosmetic.
Claims20
A Tetraselmis suecica extract comprising the following based on the extract dry weight:
- a) total minerals ≥10 wt. % of the total composition,
- b) mannitol ≥5 wt. % of the total composition,
- c) total galactose, which is the sum of free and bound galactose, ≥3 wt. % of the total composition,
- d) total glucose, which is the sum of free and bound glucose ≥4 wt. % of the total composition,
- e) total amino acids ≥3 wt. % of the total composition,
- f) total nitrogen ≥2 wt. % of the total composition.
Method of obtaining a Tetraselmis extract comprising the step of extracting a cell material comprising viable, freeze-dried or dried cells of Tetraselmis, with a liquid extractant selected from the group consisting of 2-propanone, ethanol, water, methanol, isopropanol and mixtures of two or more of these extractants, and wherein the extraction comprises:
- a) exposition of the cell material to the extractant for up to 8 h at a temperature higher than 60° C., and b) removal of the cell material to obtain the extract.
(canceled)
Dependencies are inferred from the claim text.