Antimicrobial, Antioxidant, Anti-Inflammatory, and Cytotoxic Activities of Propolis from the Stingless Bee Tetragonisca fiebrigi (Jataí)

Table 1

Compounds identified in EEP from T. fiebrigi by GC-MS.

Peak	Retention time (min)	Molecular mass	Compound	% TIC
1	13.10	122	Benzoic acid	9.2
2	15.31	286	Cinnamyl caffeate	1.5
3	21.04	270	Benzyl caffeate	1.5
4	23.76	148	Cinnamic acid	3.6
5	23.88	150	Hydrocinnamic acid	1.3
6	24.51	178	Hydrocinnamic acid ethyl ester	0.6
7	40.86	164	p-Coumaric acid	0.4
8	47.03	232	3-Phenyl-p-coumaric acid	2.8
9	50.67	180	Fructose	0.6
10	56.12	180	Glucose	1.5
11	59.94	302	Kaurenoic acid	11.8
12	63.25	152	4-Methoxybenzoic acid	3.0
13	68.59	286	Retinol	8.1
14	76.89	386	Cholesterol	12.4
15	79.39	430	Tocopherol	7.4

TIC: total ion current. The ion current generated depends on the characteristics of the compounds.