163
Table 28 Samples 1–16 of L. veitchiana
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,
1,10-epoxy type
eremophilanes
Aromatics
Others
Ref.
1
(1977)
Munchen
(Germany)
a
−
−
−
−
940, 952, 954
884
[13]
2
(1989)
Zhang (G)
a
125
−
−
472, 474
−
−
[107]
3
(1989)
Zhang (G)
a
101, 107
−
−
−
−
[62]
4
a
NW China
a
−
−
−
333, 466, 468,
473, 475, 482,
483
−
−
[175]
5
a
Zhang (G)
a
47
−
424
454
−
−
[74]
6
a
Shennongjia
(Hubei)
a
125
−
−
306, 308
−
726, 773,
774, 775,
776, 786,
797
[108,
166]
7
a
(Henan)
a
15, 16
345
−
−
−
−
[52]
8
a
Northwestern
China
a
36, 108, 119,
121
−
−
476
952
−
[66]
9
a
Northwestern
China
a
−
−
−
333, 466
928, 930
828, 831,
845, 855,
863
[174,
253]
10
a
a
a
−
−
596, 604, 605,
606, 607
−
−
−
[219,
220]
(continued)
Chemical Constituents of Ligularia Species (Asteraceae) and Their Diversity…