The appearance quality,flavor characteristics,acid value,peroxide value,bioactive components content and fatty acid composition of five leading monovarietal virgin olive oils( Frantoio,Leccino,Erzhi8,Coratina and Picholine) from Wudu district of Gansu province were investigated.The results showed that there was a certain relationship between color and flavor of the tested olive oils.Coratina had the heaviest color and taste,followed by Frantoio and Picholine,Leccino and Erzhi8 had light color and taste.The ...