Comparative study of DL-selenomethionine vs sodium selenite and seleno-yeast on antioxidant activity and selenium status in laying hens

Jing, Changliang; Dong, Xiaofang; Wang, Z. M.; Liu, S.; Tong, Jun

doi:10.3382/ps/pev045

Cited by 81 publications

(49 citation statements)

References 55 publications

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“…These findings obviously contrast with the findings of other authors (Surai 2000a, b;Paton et al 2002;Mohiti-Asli et al 2008;Gajcevic et al 2009;Scheideler et al 2010;Jing et al 2015) who reported that the majority of organic Se compounds (in ng/g of wet matter) were deposited in the yolk rather than the albumen. However, if these data are corrected for dry matter with estimates of approximately 500 g/kg for the yolk and 200 g/kg for the albumen (Solomon 1991), the concentration of selenium in the albumen is greater than or equal to that in the yolk (Pappas et al 2005).…”

Section: Selenium Content In Eggs After Supplementationcontrasting

confidence: 98%

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The effect of dietary Se supplementation on the Se status and physico-chemical properties of eggs - a review

Fašiangová¹,

Bořilová²,

Hulánková³

2017

Czech J. Food Sci.

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In the last few years, interest in the supplementation of selenium (Se) to animal feed has increased. The results of various studies have shown that eggs with defined selenium content may be used as a new potential source of this scarce element in human nutrition. The selenium content in eggs after dietary supplementation in organic form is about 22-27 µg/egg. This amount represents up to 40-50% of the Recommended Dietary Allowance, which is 55 µg of Se for the adult human. Additionally, due to its antioxidant properties, selenium contributes to the oxidation stability of fat and protein in the eggs of laying hens fed a selenium-supplemented diet. Therefore, selenium addition can affect certain properties of eggs and improve their shelf life. The results of investigations into the physico-chemical properties of different forms of Se have proven that dietary supplementation in the organic form shows higher biological availability than inorganic selenium.

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Section: Selenium Content In Eggs After Supplementationcontrasting

confidence: 98%

“…According to several studies, dietary supplementation with selenium increases its abundance in eggs (Surai 2000b;Stibilj et al 2004;Benkova et al 2005;Skřivan et al 2006;Pan et al 2007;Mohiti-Asli et al 2008;Chinrasri et al 2009;Jing et al 2015).…”

Section: Selenium Content In Eggs After Supplementationmentioning

confidence: 99%

The effect of dietary Se supplementation on the Se status and physico-chemical properties of eggs - a review

Fašiangová¹,

Bořilová²,

Hulánková³

2017

Czech J. Food Sci.

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“…Significantly more respondents recommended an organic compound, such as selenomethionine, as compared to an inorganic compound, such as sodium selenite. In an animal model of laying hens, a higher antioxidant activity has been demonstrated for the organic versus the inorganic form [40], while in humans both the inorganic Se compounds and the organic derivatives gave rise to steady-state levels of GPx activity after 1 month of supplementation. However, the Se levels in the subjects receiving organic Se showed a steady rise during the whole period, whereas those supplemented with inorganic Se levelled off after a period of 1–3 months [41].…”

Section: Discussionmentioning

confidence: 99%

A 2018 European Thyroid Association Survey on the Use of Selenium Supplementation in Graves’ Hyperthyroidism and Graves’ Orbitopathy

Negro¹,

Attanasio²,

Papini³

et al. 2018

Eur Thyroid J

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Objective: Selenium (Se) supplementation has been suggested in the treatment of Graves’ disease (GD). We sought to investigate Se prescription patterns for GD across European countries. Methods: Members of the European Thyroid Association were invited to participate in an online survey investigating the use of Se in GD either without or with orbitopathy (GO). Of 872 invited members, 244 (28%) completed the survey. After exclusion of basic scientists and non-European members, 197 responses were retrieved out of clinical trials (nearly half of clinician members), of whom 61 do not use Se. Thus, 136 respondents remained for further analyses. Results: Among the 136 analyzed respondents, most (64.7%) were not aware of the Se status in their populations, did not assess Se levels (78.7%), nor considered iodine status (74.3%). In GD without GO, 38.2% recommend Se supplementation (“sometimes” [27.2%], “frequently” [5.9%] or “always” [5.1%]). When GO occurs, 94.1% recommend Se supplementation (“sometimes” [39%], “frequently” [30.1%] or “always” [25%]). Of these, 60.1% recommend Se as an alternative to watchful waiting in patients with mild ocular involvement and 44.9% as an adjuvant to the established treatment modalities in patients with moderate to severe ocular involvement. Conclusions: In Graves’ hyperthyroidism without GO, 38.2% of ETA (European Thyroid Association) members recommend Se supplementation. Conversely, Se is recommended by the majority of respondents in GO, both in patients with mild and moderate to severe ocular involvement. This clinical practice is partially in disagreement with current European treatment guidelines that recommend Se as a 6-month treatment in mild GO only.

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“…It seems likely that SOD in adult birds is also affected by Se status. For example, laying hens fed the Se-supplemented diet showed higher SOD and GSH-Px activity and lower MDA content in plasma compared with those fed the control (non-supplemented) diet [101]. Positive effects of dietary Se on SOD activities in avian species depend not only on Se concentration, but also on the form of Se used, with organic Se being more effective than sodium selenite.…”

Section: Seleniummentioning

confidence: 99%

Antioxidant Systems in Poultry Biology: Superoxide Dismutase

Surai¹

2016

J Anim Res Nutr

169

135

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Commercial poultry production is associated with various stresses responsible for decreasing productive and reproductive performance of growing chicks, breeders and commercial layers. A growing body of evidence shows that most of stresses in poultry production at the cellular level are associated with oxidative stress. Recently, a concept of the cellular antioxidant defense has been revised with special attention paid to cellular redox status maintenance and cell signaling. In fact, antioxidant systems of the living cell are based on three major levels of defense and superoxide dismutase (SOD) is shown to belong to the first level of the antioxidant defense network. Cellular antioxidant defenses are shown to include several options and vitagene activation in stress conditions is considered as a fundamental adaptive mechanism. The vitagene family includes various genes regulating synthesis of protective molecules including thioredoxins, sirtuins, heat shock proteins and SOD. However, by the time of writing no comprehensive review on the roles and effects of SOD in poultry biology has appeared. Therefore, the aim of this review is a critical analysis of the role of SOD in poultry biology with specific emphasis to its functions as an essential part of the vitagene network. From the analysis of the recent data related to SOD in poultry physiology and adaptation to stresses it is possible to conclude that: a) SOD as important vitagene is the main driving force in cell/body adaptation to various stress conditions. Indeed, in stress conditions additional synthesis of SOD is an adaptive mechanism to decrease ROS formation; b) If the stress is too high SOD activity is decreased and apoptosis is activated; c) there are tissue-specific differences in SOD expression which also depends on the strength of such stress-factors as heat, heavy metals, mycotoxins and other stressors; d) SOD is shown to provide an effective protection against lipid peroxidation in chicken embryonic tissues and semen; e) SOD is shown to be protective in heat and cold stress, toxicity stress as well as in other oxidative-stress related conditions in poultry production; f) there are complex interactions inside the antioxidant network of the cell/body to ensure an effective maintenance of homeostasis in stress conditions. Indeed, in many cases, nutritional antioxidants (vitamin E, selenium, carotenoids, phytochemicals, etc.) in the feed can increase SOD expression; g) nutritional means of SOD upregulation in stress conditions of poultry production and physiological and commercial consequences await further investigation; h) vitagene upregulation in stress conditions is emerging as an effective means for stress management.

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Comparative study of DL-selenomethionine vs sodium selenite and seleno-yeast on antioxidant activity and selenium status in laying hens

Cited by 81 publications

References 55 publications

The effect of dietary Se supplementation on the Se status and physico-chemical properties of eggs - a review

The effect of dietary Se supplementation on the Se status and physico-chemical properties of eggs - a review

A 2018 European Thyroid Association Survey on the Use of Selenium Supplementation in Graves’ Hyperthyroidism and Graves’ Orbitopathy

Antioxidant Systems in Poultry Biology: Superoxide Dismutase

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