1.OLE was rich in flavones and polyphenols, with oleuropein, including oleuropeosides, flavonols and organic acids, accounting for the highest proportions. Conversely, caffeic acid and luteolin were the two most abundant compounds in OFE
2.The olive and olive leaf extract of 75% ethanol that olive leaf extract can fight free radicals better than olive.
3.The antioxidant activity of OLE was higher than those of OFE