Total phenolic content and antioxidant activity of Thymus vulgaris, Curcuma longa, propolis and their mixtures

Sinem Aydin, Gülşah Kadioğlu


The current study, we investigated phenolic content and antioxidant activity of ethyl acetate and dichloromethane extracts of thyme, turmeric, propolis and their mixtures. The highest and the lowest phenolic contents were found in ethyl acetate extract of propolis (214.94±0.023 µg GAE/mL) and dichloromethane extract of thyme (21.02±0.013 µg GAE/mL). Total antioxidant capacity of ethyl acetate extracts ranges from 127.15±0.031 µg AAE/mL and 232.2±0.028 µg AAE/mL; dichloromethane extracts ranges from 61.6±0.019 µg AAE/mL and 159.95±0.035 µg AAE/mL. CUPRAC activity and DPPH radical scavenging activity of ethyl acetate extracts are higher than dichloromethane extracts.  According to the obtained results, it can be said that propolis, thyme and turmeric could be an alternative to synthetic antioxidants.


thyme, turmeric, propolis, antioxidant activity

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