Table 3.

Determination of the markers present in EEP and nanoparticles loaded with red propolis extract using UPLC-DAD

	Concentration of flavonoids(μg/mL) ± SDa
Composition	A	B	C	D	E
EEP	2.290 ± 0.760	0.330 ± 0.003	2.510 ± 0.010	2.960 ± 0.010	0.371 ± 0.010
NRPE A1	1.240 ± 0.040	0.329 ± 0.004	2.400 ± 0.040	1.740 ± 0.010	0.370 ± 0.004
NRPE A2	0.950 ± 0.010	0.238 ± 0.020	1.770 ± 0.020	1.740 ± 0.010	0.324 ± 0.003
NRPE A3	0.820 ± 0.01	0.200 ± 0.004	2.032 ± 0.001	1.860 ± 0.010	0.318 ± 0.001
NRPE A4	1.216 ± 0.004	0.240 ± 0.003	1.888 ± 0.001	2.032 ± 0.022	0.327 ± 0.002
NRPE A5	1.168 ± 0.003	0.230 ± 0.001	1.792 ± 0.031	2.002 ± 0.013	0.321 ± 0.002

A liquiritigenin, B pinobanksin, C isoliquiritigenin, D formononetin, E biochanin A

^aMean values refer to the mean of three determinations ± standard deviation