Research Article

Nonsterol Triterpenoids as Major Constituents of Olea europaea

Table 3

Ratio of oleanane- to ursane-type triterpenoids following oxidation steps of the C-28 CH3 throughout olive tree leaf development.

Leaf budYoung leafMature leaf

C28–CH3 : ratio 1/60.7a0.91
C28–CH2OH : ratio 3/860.90.9
C28–CHO : ratio 2/744
C28–COOH : ratio (4+5)/(9+10+11)4814155

aRatios were calculated from data of Table 2.