Table 2.

Amount of intracellular RS increased by different concentrations of ethanolic extracts N2 and N3, %.

	Fluorescence intensity, %
	0.5 h	1 h	1.5 h	2 h
N2
10 μM RA	15.6 ± 2.6	63.1 ± 5.2	102.9 ± 8.0	137.2 ± 11.4
40 μM RA	24.4 ± 3.9	82.9 ± 7.1	138.3 ± 14.2	160.4 ± 17.2
75 μM RA	35.1 ± 4.7	114.6 ± 10.5	152.4 ± 14.7	186.3 ± 15.1
N3
10 μM RA	25.5 ± 2.8	79.2 ± 6.8	117.8 ± 9.5	152.5 ± 14.6
40 μM RA	34.3 ± 4.5	112.4 ± 10.3	164.7 ± 15.3	195.0 ± 18.3
75 μM RA	43.8 ± 6.0	165.5 ± 13.2	208.2 ± 19.1	223.9 ± 24.7

Data presented in the table show increase of fluorescence intensity (%) depending on concentration and time. n = 3-4.