Selenium Accumulating Leafy Vegetables Are a Potential Source of Functional Foods

Table 1

Method validation: the concentration of extracts possessing known amounts of selenium determined by gravimetric analyses and by UV spectrophotometry.

Concentration Se (VI) spiked (µg/mL)	Mean absorbance	Measured concentration (µg/mL)	Recovery (%)	Recovery (%) ± SD
1	0.06	0.93	93.10	94.56 ± 1.44
3	0.17	2.88	95.97
5	0.27	4.73	94.60