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Table 1 Effect on S. aureus and S. epidermidis growth by different polyphenol concentrations after 24 h measured as OD600

From: In vitro evaluation of enzymatically derived blackcurrant extract as prebiotic cosmetic ingredient: extraction conditions optimization and effect on cutaneous microbiota representatives

 

Extract obtained without enzyme

Extract obtained with Viscozyme® L and Rohapect® MC

Concentration

S. epidermidis

S. aureus

S. epidermidis

S. aureus

mg GAE/mL

%

0.01

3.15 ± 0.27

 − 2.69 ± 0.17

4.23 ± 0.35

 − 6.13 ± 0.41

0.025

14.61 ± 0.85

 − 9.12 ± 0.71

30.15 ± 2.33

 − 14.55 ± 0.78

0.05

13.49 ± 0.81

 − 10.47 ± 0.85

22. 42 ± 1.70

 − 16.65 ± 0.49

0.0625

11.62 ± 0.56

 − 14.27 ± 0.73

16.89 ± 0.56

 − 20.79 ± 1.56

0.08

7.23 ± 0.42

 − 20.38 ± 1.56

11. 17 ± 0.99

 − 24.15 ± 1.77

0.1

 − 13.84 ± 0.71

 − 22.72 ± 1.41

9.77 ± 0.71

 − 25.65 ± 0.49

  1. The positive values represent stimulation, while the negative values represent inhibition