Nonsterol Triterpenoids as Major Constituents of Olea europaea

Table 2

Amounts of free nonsterol triterpenoids in various organs of 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)	17.7		9.5		658		75.7		75.8		139		4
28-nor-β-amyrin (2)	7.3		4.2		8.4		39.6		48.3		74		nd
Erythrodiol (3)	56		161.4		232		452		383		401		13
Oleanolic Acid (4)	19495		126.3		5495		485		65		1257		929
Maslinic acid (5)	6643		43.2		2474		459		2755		830		1502
Total	26212	97.8^c	344	76.4	8867	87	1511	68.4	3327	85.9	2701	84.2	2448	99.1
Ursane type
α-amyrin (6)	3.8		8.5		974		86.4		70.4		192		nd
28-nor-α-amyrin (7)	nd		0.6		nd		10.8		11.8		25		nd
Uvaol (8)	0.8		34.5		37.9		479		411		245		0.4
Ursolic Acid (9)	170		3		92		37		3.5		6		4
Pomolic Acid (10)	nd		0.3		nd		3.1		nd		nd		nd
2-hydroxyursolic acid (11)	56		1.1		72.8		25.8		14.7		nd		nd
Total	231	0.9	48	10.7	1177	11.6	642	29.1	511	13.2	468	14.6	4.4	0.2
Lupane type
Lupeol (12)	3.5		7		traces		traces		traces		nd		nd
3-epi-betulin (14)	4.6		40.9		19		13.1		10.4		11		0.8
3-epi-betulinic acid (15)	355		6.8		114		27.1		8.2		21		14
Total	363	1.3	55	12.2	132	1.3	40	1.8	19	0.5	32	1.0	15	0.6
Taraxerane type
Taraxerol (16)	0.4		0.2		1.5		0.7		0.6		nd		2
28-hydroxytaraxerol (17)	8.2		1.2		11		11.3		11.8		8		1
Total	8.6	<0.1	1.4	0.3	12.3	0.1	12	0.5	12.4	0.3	8	0.2	3	0.1
Taraxastane type
Ψ-taraxasterol (19)	nd		nd		nd		2.6		2.3		nd		nd
Taraxasterol (20)	nd		nd		nd		1.2		1		nd		nd
Total							3.8	0.2	3.3	0.1
Total amount	26820 ± 3310		450 ± 45		10190 ± 1530		2210 ± 110		3875 ± 195		3210 ± 100		2470 ± 150

^aPicked at 12 WAF; ^bpicked at 30 WAF [18]; ^cpercentages of the different classes of carbon skeleton; nd: not detectable.