期刊
CYTA-JOURNAL OF FOOD
卷 10, 期 2, 页码 160-164出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19476337.2011.606479
关键词
selenium; cereals; in vitro digestion; bioaccessibility; instrumental neutron activation analysis (INAA)
资金
- Board of Research in Nuclear Sciences
In the present study, selenium (Se) bioaccessibility was measured in rice and maize cultivated in seleniferous soil of India using in vitro gastric (GA) digestion and gastro-intestinal (GI) digestion methods. The concentration of bioaccessible Se was determined by instrumental neutron activation analysis (INAA). The total Se was observed to be about 58.0 mg kg(-1) and 29.0 mg kg(-1) in flours of rice and maize, respectively. Total Se content in maize flour sample after GA and GI digestions were approximately 9.5 mg kg(-1) and 15.0 mg kg(-1), respectively; and in case of rice samples, the levels were about 32.0 mg kg(-1) and 38.0 mg kg(-1), respectively. The results indicate that the bioaccessibility of GI digestion (51% in maize and 65% in rice) was higher compared to GA digestion (32% and 52% in maize and rice, respectively). In addition, the bioaccessible levels of Se were significantly more in case of rice compared to maize.
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