For this purpose, leaves were classified into two groups: small leaves (axial axis: 971 (cm); equatorial axis: 7.070.9 (cm)) and large leaves (axial axis: 1772 (cm); equatorial axis: 1071 (cm)) and they were subjected to a blanching at 100 1C for 1 min followed by a hot air drying at 100 1C until constant weight