摘要 |
The bacterial strain Bacillus licheniformis SEBR 2464 (A) (deposited at the Pasteur Institute under the number CNCM 1778) and its productive mutants are new. Independent claims are included for: (i) the preparation of an alpha 2-antagonist product (I), by culturing (A) (or its mutant) in a fermentation medium under conventional conditions until the broth has alpha 2-antagonist activity, then extracting the supernatant and concentrating to give a solid extract; (ii) (I) obtained as in (i), where the dry extract is utilized after dilution with a cosmetically acceptable solvent; and (iii) a cosmetic composition containing (I) obtained as above, together with a cosmetic excipient. |