Table 3.

Triterpenoids isolated from S. oblata (37–55).

No.	Compounds	Plant parts	References
37	Obaculactone	Leaves	Lu, Li, & Li, 2003
38	Lup-20(29)-en-3-one	Leaves	Wei, 2004
39	Lupanic acid	Barks, flower buds	Zhang, Zhang, & Wang, 2006; Zhang, Chen, Li, & Yang, 2011
40	Betulinic acid	Leaves	Li et al., 2009, Zhang et al., 2018
41	Luprol	Flower buds	Dong, Wang, Zhao, & Zhang, 2011
42	Oleandic acid	Barks, leaves, flower buds	Zhang, Zhang, & Wang, 2006; Dong et al., 2011, Cao, 2017, Zhang et al., 2018, Li et al., 2019a
43	Maslinic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
44	3-O-trans-p-Coumaroyl maslinic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
45	3β-O-cis-p-Coumaroyl maslinic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
46	2α-Hydroxy ursolic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
47	3β-O-trans-p-Coumaroyloxy-2α-hydroxyurs-12-en-28-oic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
48	3β-O-cis-p-Coumaroyloxy-2α-hydroxyurs-12-en-28-oic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
49	3β-O-trans-p-Coumaroyl tormentic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
50	3β-O-cis-p-Coumaroyl tormentic acid	Leaves	Zhang, Chen, Li, & Yang, 2011
51	Ursolic acid	Leaves, flower buds	Li et al., 2009, Zhang et al., 2011, Han, 2012, Zhang et al., 2018, Li et al., 2019a
52	19α-Hydroxy ursolic acid	Leaves	Li, Xu, Hao, Yang, & Li, 2009
53	21α-Hydroxy-serrat-14-en-3β-yl-dihydrocaffeate	Seeds	Zhang, Guo, Han, Zhao, & Wang, 2011
54	Daucosterol	Barks, leaves, Twigs	Zhang, Zhang, & Wang, 2006; Li et al., 2009, Zhao et al., 2012
55	β-Sitosterol	Leaves, flower buds	Zhou, 2005; Wang, 2008; Dong, Wang, Zhao, & Zhang, 2011