Antioxidant, Cytotoxic, and Toxic Activities of Propolis from Two Native Bees in Brazil: Scaptotrigona depilis and Melipona quadrifasciata anthidioides

Table 1

Compounds identified in unpolar fraction of the EEPs from Scaptotrigona depilis and Melipona quadrifasciata anthidioides by GC-MS.

Peak	Retention time (min)	Compounds	Molecular mass	EEP-S; (mg/g)	EEP-M; (mg/g)
1	17.02	Stigmastero	412	—	4.8 ± 0.1
2	17.72	β-Sitostero	414	9.6 ± 0.2	5.4 ± 0.2
3	17.93	β-Amyri	426	14.3 ± 0.3	11.6 ± 0.3
4	18.09	Taraxasterol	426	—	3.0 ± 0.1
5	18.45	α-Amyri	426	10.5 ± 0.3	5.0 ± 0.1
6	19.65	β-Amyrin acetat	468	21.5 ± 0.4	13.7 ± 0.4
7	24.56	Tocophero	430	3.6 ± 0.1	15.0 ± 0.5

ompound was confirmed by comparison of standard.
Data are shown as media ± standard deviation.