187
3.32 Ligularia villosa Handel-Mazzetti
Five samples, three from Kangding County and two from Baiyu County, Sichuan
Province, China (Plate 26, Table 40), were collected [32]. The major components in
the Kangding samples (samples 3–5) were eremophilan-8-ones, viz., 2, 3, 5, 51, 52,
54, 60, 61, 62, 63, and 71. Lupeol (828) and the eudesmanes 789, 792, and 793 were
also isolated. In contrast, the major component of the Baiyu samples (samples 1 and
2) were the furanoeremophilanes 301 and 313. Compound 330, an artifact generated from furanoeremophilane, and α-bisabolol (648) were also isolated. The results
indicate the occurrence of intraspecific diversity for this species.
Plate 25 Photograph of
L. villosa
Table 39 Samples 1–3 of L. latihastata and L. villosa and their chemical constituents
No. Plant source Specimen number Collection place Elevation (m) Aromatics
Ref.
1
L. latihastata 2004-07
Yulong (Y)
3300
946
[266]
2
L. latihastata 2005-07
Yulong (Y)
3200
949, 952, 954 [266]
3
L. villosa
2004-71
Ninglang (Y)
2900
952, 954
[266]
Chemical Constituents of Ligularia Species (Asteraceae) and Their Diversity…