Biocidal mixture, use of biocidal mixture and compositions comprising a biocidal mixture
The present invention generally relates to a synergistic mixture of biocidal effect comprising phenylpropanol and hop extract. Particularly, the mixture of the invention can be used in the fields of cosmetics, medicines and food.
1. A biocidal mixture comprising hop extract and phenylpropanol, wherein the hop extract comprises beta-acids either as free bases or as metal salts and wherein the weight ratio of beta-acids to phenylpropanol provides synergistic activity.
2. The biocidal mixture according to claim 1 , wherein the hop extract comprises 45% w/w of beta-acids selected from lupulone, colupulone, adlupulone, and combination thereof.
3. The biocidal mixture according to claim 1 , further comprising one or more active principles and one or more vehicles or diluents.
4. A composition comprising a biocidal mixture of claim 1 .
5. The composition according to claim 4 , wherein the composition is a cosmetic composition, a pharmaceutical composition, or a food composition.
6. The composition according to claim 4 , wherein the composition comprises between 0.05% and 5% w/w of the biocidal mixture.
7. The composition according to claim 4 , wherein the composition comprises between 0.1% and 1% w/w of the biocidal mixture.