Research Article
Nonsterol Triterpenoids as Major Constituents of Olea europaea
Table 5
Amounts of free and esterified nonsterol triterpenoids in Olea europaea callus cultures.
| | Free | Esterified | | μg/g dry wt | % | μg/g dry wt | % |
| | Oleanane type | | | | | | β-amyrin (1) | 8.5 | | 25.6 | | | Erythrodiol (3) | 7.2 | | | | | Moradiol (21) | 0.8 | | | | | Oleanic acid (4) | 45 | | | | | Maslinic acid (5) | 14.5 | | | |
| | Total | 76 | 22 | 25.6 | 12.9 |
| | Ursane-type | | | | | | α-amyrin (6) | 15.4 | | 5.2 | | | 28-nor-α-amyrin (7) | 1.6 | | | | | Isobauerenol (22) | Traces | | | | | Uvaol (8) | 13 | | | | | Ursolic acid (9) | 34 | | | | | Pomolic acid (10) | 4.5 | | | | | 2-hydroxyursolic acid (11) | 9.5 | | | |
| | Total | 78 | 22.5 | 5.2 | 2.6 |
| | Lupane type | | | | | | 3-epi-lupeol (13) | nd | | 16.0 | | | 3-epi-betulin (14) | 2.0 | | | | | Betulin + unknown betulin derivative | 39 | | | | | 3-epi-betulinic acid (15) | 6.3 | | | |
| | Total | 47.3 | 13.7 | 16.0 | 8.1 |
| | Taraxerane type | | | | | | Taraxer-14-ene-3β,28-diol (17) | 3.2 | | | | | Taraxer-14-ene-3β,29-diol (18) | 12.5 | | | |
| | Total | 15.7 | 4.5 | nd | |
| | Taraxastane type | | | | | | Ψ-taraxasterol (19) | 1.3 | | 0.3 | | | Taraxasterol (20) | 1.1 | | | |
| | Total | 2.4 | 0.7 | 0.3 | 0.1 |
| | Euphane type | | | | | | Butyrospermol (23) | 9.2 | 2.7 | 51 | 25.7 |
| | Lanostane type | | | | | | Cycloartanol | Traces | | nd | | | Parkeol (24) | 39.5 | | 99 | | | 24-methylene-24-dihydroparkeol (25) | 15.2 | | 1.5 | | | 24-methylene-24-dihydrolanosterol (26) | 27 | | nd | | | (24Z)-24-ethylidene-dihydrolanosterol (27) | 3.1 | | nd | | | 4,4-dimethyl-5α-stigmast-7-en-3β-ol (28) | 6.0 | | | | | 4,4-dimethyl-5α-stigmasta-7,24Z(241)-dien-3β-ol (29) | 19.3 | | | | | Unknown lanostane derivatives | 7.4 | | nd | |
| | Total | 117.5 | 33.9 | 101 | 50.6 |
| | Total amount | 345 ± 40 | 200 ± 15 |
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