Table 2. Analysis of Culture Medium DMEM-F12 Incubated with Neuroblast Cells^a.

sample	added (μM)	found (μM)	recovery (%)
1	0	0.42
	2	2.63	109.3 ± 1.6
2	0	0.42
	2	2.63	109.1 ± 1.4
3	0	ND
	2	1.96	95.1 ± 0.4
4	0	0.24
	2	2.39	106.21 ± 1.04
5	0	ND
	2	1.86	97.2 ± 0.2
6	0	ND
	2	1.94	109.6 ± 1.4
7	0	ND
	2	1.89	99 ± 2

^aH₂O₂ concentration found.