Selenium Accumulating Leafy Vegetables Are a Potential Source of Functional Foods

Table 2

Selenium concentration (µg/g) in vegetable samples.

Vegetable species	Mean concentration (µg/g) ± SD
	Leaves samples			Stems samples
	Early harvest	Late harvest	Control	Early harvest	Late harvest	Control
V. unguiculata	5.86 ± 0.46	7.01 ± 0.21	0.75 ± 0.16	3.39 ± 0.41	4.37 ± 0.13	0.56 ± 0.09
C. maxima	6.49 ± 0.26	7.90 ± 0.40	1.30 ± 0.27	2.32 ± 0.32	5.35 ± 0.78	0.56 ± 0.13
A. hybridus	2.37 ± 0.37	2.81 ± 0.09	0.28 ± 0.06	1.22 ± 0.09	1.97 ± 0.02	0.19 ± 0.02
Amaranthus sp.	1.95 ± 0.12	2.21 ± 0.09	0.22 ± 0.07	1.12 ± 0.10	1.83 ± 0.05	0.16 ± 0.16
S. villosum	3.05 ± 0.69	4.48 ± 1.61	0.38 ± 0.02	2.39 ± 0.40	2.57 ± 0.60	0.37 ± 0.01
S. scabrum	3.25 ± 0.36	4.11 ± 0.99	0.33 ± 0.02	2.53 ± 0.05	2.73 ± 0.10	0.14 ± 0.02
I. batatas	4.13 ± 0.41	5.56 ± 1.42	0.43 ± 0.02	3.10 ± 0.21	3.08 ± 0.18	0.45 ± 0.04