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| Tested extract | Total content of phenolics |
|---|---|
| Aronia berry extract (commercial product, Aronox®, by Agropharm Ltd. Poland) | 309.8 mg/g of extract |
| Grape seed extract (by Bionorica, Germany) | 500 mg/g of extract |
| SBT berry extract (phenolic extract) | 242.7 mg/g of fraction |
| SBT leaf extract (butanolic extract) | 341.5 mg/g of extract |
| SBT twig extract (butanolic extract) | 621.2 mg/g of extract |
