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Bioaccessibility of selenium, selenomethionine and selenocysteine from foods and influence of heat processing on the same.

Anjum, Khanam and Kalpana, Platel (2016) Bioaccessibility of selenium, selenomethionine and selenocysteine from foods and influence of heat processing on the same. Food Chemistry, 194. pp. 1293-1299.

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Abstract

Selenium (Se) is an essential nutrient with diverse physiological functions. The selenium content of commonly consumed cereals, pulses and green leafy vegetables (GLV) was determined. Bioaccessibility of Se, and its organic forms selenomethionine (SeMet), and selenocysteine (SeCys2) was also examined, and the effect of heat processing on the same was studied. The bioaccessibility of Se in cereals ranged from 10% to 24%, that of pulses was between 12% and 29%, and of GLV, 10–31%. The concentration of SeMet in the dialysates of the cereals, pulses and GLV ranged from 5.15 to 28.7, 2.7 to 36.2, and 0.03 to 5 ng g�1, respectively. The concentration of SeCys2 in the dialysates of the foods examined was negligible. Heat processing significantly decreased the bioaccessibility of Se, SeMet and SeCys2. This is the first report on the bioaccessibility of Se and its major organic forms from commonly consumed staples, and the effect of heat processing on the same.

Item Type: Article
Uncontrolled Keywords: Selenium Bioaccessibility Heat processing Selenomethionine Selenocysteine
Subjects: 600 Technology > 08 Food technology > 16 Nutritive value
600 Technology > 08 Food technology > 18 Processed foods
Divisions: Dept. of Biochemistry
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 11 Jan 2016 09:43
Last Modified: 11 Jan 2016 09:43
URI: http://ir.cftri.com/id/eprint/12089

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