In
this research, maize kernels were hydrated with sodium selenite
(50 mg/L), germinated for 48 h at 22 ± 1 °C, and subsequently
subjected to a nixtamalization. In raw and germinated maize with and
without Se, the mineral profiles of nixtamal, nejayote, and tortilla
were analyzed by inductively coupled plasma mass spectrometry (ICP-MS)
and free and bound ferulic acid (FA) contents were analyzed by high-performance
liquid chromatography–ultraviolet (HPLC–UV). All samples
were subjected to a simulated digestion to evaluate their cellular
antioxidant activity (CAA) and anti-inflammatory activities. The Se
content in Se–tortilla and Se–germinated maize kernels
was respectively 0.76 and 2.87 μg/g, dry weight (dw). Se–germinated
maize kernels had 181% more bound FA content, 32% more CAA, and 43%
more anti-inflammatory activity compared to germinated maize kernels.
Nixtamal, nejayote, and tortilla from raw maize had the highest percentages
of CAAs and anti-inflammatory activities of all samples. Zn, Ca, K,
Mg, and Mn contents were similar in all tortilla treatments.
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