Extraction and evaluation of bioactive compounds with antioxidant potential from green arabica coffee extract
2015
Simona PATRICHE | Marinela BOBOC | Victoria LEAH | Rodica–Mihaela DINICĂ
During the last decade researches concerning the essential role of coffee in health and disease prevention showed an increased development. In the present study we obtained extracts from three green Arabica coffee varieties which demonstrated a significant antioxidant potential due to the presence in their composition of two bioactive compounds, caffeine and chlorogenic acids. The content and antioxidant activity of bioactive compounds were evaluated by qualitative and quantitative analyses using spectrophotometric and chromatography methods. The chlorogenic acid was found in high concentrations, being followed by gallic, p-coumaric and ferulic acids. The highest caffeine contents were found in the green coffee extracts of the Supremo–Columbia and Top Quality–Kenya products.
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