Abstract
It is known that organic selenium (Sel Plex) supplemented to pig feed mixture is significant for effective transport of essential element selenium to the food chain. It enables to create important body deposits of selenium in skeletal muscles and it also increases selenium transfer in natural metabolic form of selenomethionine into functional food. The intake of feed mixture with increased organic selenium at the dose of 0.3 mg kg-1 probably increases selenium concentration in MSM (musculus semimembranosus) - experimental selenium group 1.293 mg kg-1 and control group 0.513 mg kg-1 and in MLT (musculus longissimus thoracis) - experimental selenium group 1.364 mg kg-1 and control group 0.506 mg kg-1. The aim of this study was to evaluate the selenium and total antioxidant status (TAS) in a selected group of healthy people. Twenty-five volunteers consumed pork meat enriched with organic selenium three times a week during one month (average age in 9 men was 51.2 years, in 16 women 39.06 years, respectively). Daily selenium intake of 110 ?g was calculated by Alimenta software, version 4.3 on the basis of nutrition statement. Recommended daily selenium intake of 50 - 200 ?g was stated by the World Health Organization (WHO). During the research, the volunteers consumed pork enriched with 35 ?g of selenium. At the begining the mean selenium concentration in blood serum was at 75.41 ? 14.18?g l-1 in men, 75.21 ? 15.20?g l-1 in women. After two weeks of consumption pork enriched with selenium, the average selenium concentration in blood serum in men and women increased to 86.69 ? 11.72 ?g l-1 and 87.93 ? 16.22 ?g l-1 respectively. At the end of the study the average selenium concentration decreased in men and women to 85.75 ? 2.72 ?g l-1 to 84.07 ? 15.62 ?g l-1 respectively. In the selected group of healthy people the total antioxidant status increased from 1,68 mmol.l-1 to 1,86 mmol.l-1 after two weeks of consumption of pork enriched with selenium. However, at the end of the research the decrease in TAS was recorded. Improvement in selenium status has positive impact on human health, and thus our results could contribute to the new trends in the production of functional food.
Highlights
At present much attention is devoted to the impact of nutrition on health with respect to the antioxydant intake, especially that of vitamins and essential trace elements such as zinc, copper and selenium, which are constituents of antioxydant enzymes
Selenium concentration in meat dry matter was found higher in the experimental group SE where in MSM represented 1.293 mg kg-1 and in MLT 1.364 mg kg-1 compared with the control group where the values were lower, namely in MSM 0.513 mg kg-1 and MLT 0.506 mg kg-1 respectively
Higher manifestation of selenium in meat with higher selenium supplement into feed mixture was confirmed by Mahan et al (1999), Ľahučký et al (2001) and Vernerová et al (2008) who claimed that organic selenium supplement into feed mixture during pig fattening increased selenium content in pork meat
Summary
At present much attention is devoted to the impact of nutrition on health with respect to the antioxydant intake, especially that of vitamins and essential trace elements such as zinc, copper and selenium, which are constituents of antioxydant enzymes. One of the vital nutritional antioxidant element is the trace element selenium (Se). It was found out that its nutritional deficit in people caused cardiomyopathia, degenerative osteoarthropathia and thyroid function disorders. Selenium belongs to the group of antioxidants since it is a co-factor of antioxydant enzyme glutationperoxidaze (GPx) which catalyzes the reduction of organic hydroperoxide and oxygen peroxide protecting cells against damaging. The status of essential microelement selenium is primarily determined by its food intake. The low selenium levels in food chain elements correspond to its low levels in people. Selenium levels in plasm/serum in European countries ranges 63-110 μg l-1 whereas the selenium status in Slovak population is at the bottom of this range (Kadrabová and Maďarič, 1997)
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
