Abstract
propolis samples of different regions in Egypt, added to commercial Chinese propolis were tested to determine their phenolic compounds present in each using HPLC analysis and through Ethanolic and water extract methods. The results obtained revealed presence 12 phenolic compounds in the tested samples on more distributed between them with different concentration and per cent. The ellagic acid recorded the highest percentage in the propolis Kfer- Elsheikh governorate (80%) followed by Qalubiasame collected from Kafer (60%), respectively. While with commercial Chinese it not recorded at all, and considers the very poor phenolic compounds, as well as it characterized by the presence a higher per cent of cinnamic acid. The water propolis extract of old bee wax combs reveals presence a little amount of twelve phenolic compounds, the highest of them was benzoic acid (60%).
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