157
Table 25 Samples 1–6 of L. pleurocaulis
and their chemical constituents
No.
Specimen
number
(year)
Collection
place
Elevation
(m)
Bicyclic
eremophilanes
10H Tricyclic
eremophilanes
10-OH Tricyclic
eremophilanes
1(10)-Ene, 9-ene, and
1,10-epoxy, and
1-en-3-one tricyclic
eremophilanes
Aromatics Others Ref.
1
(2001)
Kangding
(S)
a
−
−
−
269, 465
911, 917,
1009
828,
833
[159]
2
2003-17
Shangri-La
(Y)
3500
−
−
−
257, 258, 259, 260, 266
−
−
[156]
3
2003-53
Xiangcheng
(S)
3800
−
−
−
257, 258, 259, 260, 268
−
−
[156]
4
2004-44
Shangri-La
(Y)
4000
−
−
−
257, 258, 259, 260, 266
−
−
[156]
5
(2010)
Kangding
(S)
3600
16, 139
−
418
259, 260, 261, 440, 450,
451, 453, 573, 584
−
805
[53]
6
a
Kangding
(S)
a
66
356, 494, 523
−
268, 450, 451, 452
−
−
[79]
a
Not described
Chemical Constituents of Ligularia Species (Asteraceae) and Their Diversity…