Nonsterol Triterpenoids as Major Constituents of Olea europaea

Table 4

Amounts of esterified triterpene alcohols in various organs from Olea europaea tree.

	Floral bud		Stem		Leaf bud		Young leaf		Mature leaf		Young fruit^a		Mature fruit^b
	μg/g dry wt	%	μg/g dry wt	%	μg/g dry wt	%	μg/g dry wt	%	μg/g dry wt	%	μg/g dry wt	%	μg/g dry wt	%
Oleanane type
β-amyrin (1)	42	78.9	2.1	28.4	88	34.6	26	13.6	9.2	15.8	nd		21	77.8
Ursane type
α-amyrin (6)	2.9	5.5	2.0	27.0	79	31.1	5.8	3.0	2.7	4.6	2.0	33.3	traces
Lupane type
Lupeol (12)	6.2	11. 7	3.3	44. 6	83	32. 7	6.7	3.5	1.1	1.9	nd		nd
3-epi-lupeol (13)	nd		nd		nd		21	11.0	8.4	14.4	2.0	33.3	4	14.8
Taraxerane type
Taraxerol (16)	0.2	0.4	nd		0.8	0.3	2.4	1.3	0.7	1.2	2.0	33.3	2	7.4
Taraxastane type
Ψ-taraxasterol (19)	0.6	1.1	nd		3.4	1.3	2.5	1.3	0.8	1.4	nd		nd
Taraxasterol (20)	0.2	0.4	nd		nd		0.6	0.3	0.2	0.3	nd		nd
Euphane type
Butyrospermol (23)	nd		nd		nd		49	25.7	14.2	24.4	traces		traces
Lanostane type
Parkeol (24)	0.8	1.5	traces		nd		76	40	20.5	35. 3	nd		nd
24-methylene-24-dihydroparkeol  (25)	0.3	0.5	nd		nd		0.6	0.3	0.4	0.6	nd		nd
Total amount	53 ± 6		7. 4 ± 0.6		254 ± 15		191 ± 3		58 ± 4		6.0 ± 0.8		27 ± 4

^a,b See legend of Table 2; nd: not detectable.