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1. Linking microbial community composition to farming pattern in selenium-enriched region: Potential role of microorganisms on Se geochemistry

Author:
Yanhong Wang; Xinyan Shi; Xianxin Huang; Chunlei Huang; Helin Wang; Hanqin Yin; Yixian Shao; Ping Li
Source:
Journal of environmental sciences (China) 2022 v.112 pp. 269-279
ISSN:
1001-0742
Subject:
selenium,   etc   ; Brevibacillus; Burkholderia; Geobacter; Nitrosospira; Paenibacillus; Pseudomonas; Rhizobium; agricultural productivity; arid lands; biogeochemistry; community structure; denitrifying microorganisms; microbial communities; pH; paddies; redox potential; total organic carbon; woodlands; China;     Show all 20 Subjects
Abstract:
... Selenium (Se) is an essential micronutrient for lives. Indigenous microbial communities play an important role on Se geochemistry in soils. In this study, the microbial community composition and functions of 53 soil samples were investigated using high-throughput sequencing. Samples were divided into 3 groups with different farming types based on the measured geochemical parameters and microbial ...
DOI:
10.1016/j.jes.2021.05.015

2. Selenium transformation and selenium-rich foods

Author:
Nan Chen; Changhui Zhao; Tiehua Zhang
Source:
Food bioscience 2021 v.40 pp. 100875
ISSN:
2212-4292
Subject:
selenium,   etc   ; foods; humans; people; selenoproteins; synthesis;     Show all 6 Subjects
Abstract:
... Selenium is an essential trace element that is involved in the synthesis of various selenoproteins in higher animals including humans. Twenty five selenoproteins have been identified in humans. These selenoproteins have various physiological functions. Organic selenium is safer than inorganic selenium and can be used as a nutritional supplement for people who live in selenium-deficient areas ...
DOI:
10.1016/j.fbio.2020.100875

3. Selenium loss and changes in product quality during cooking of selenium enriched potato tubers

Author:
Haiqing Zhang; Zhuqing Zhao; Bihua Nie; Chenhao Lyu; Xinwei Liu
Source:
Journal of food composition and analysis 2021 v.96 pp. 103728
ISSN:
0889-1575
Subject:
selenium,   etc   ; Solanum tuberosum; biofortification; crude protein; discoloration; food composition; food crops; potatoes;     Show all 8 Subjects
Abstract:
... Selenium biofortification is increasingly applied to improve selenium contents in the edible parts of crops. Potato (Solanum tuberosum L.) is a major food crop with wide availability of consumption, which is suitable for selenium biofortification. However, the processing and product quality of selenium-enriched potatoes has rarely been reported. Herein, selenium-enriched potato tubers (0.24 mg kg ...
DOI:
10.1016/j.jfca.2020.103728

4. Selenium-containing soybean antioxidant peptides: Preparation and comprehensive comparison of different selenium supplements

Author:
Xing Zhang; Hui He; Jiqian Xiang; Bin Li; Mengge Zhao; Tao Hou
Source:
Food chemistry 2021 v.358 pp. 129888
ISSN:
0308-8146
Subject:
selenium,   etc   ; alanine transaminase; antioxidant activity; antioxidants; aspartate transaminase; bioavailability; brain; food chemistry; glutathione; human cell lines; liver; mitogen-activated protein kinase; necrosis; neoplasms; oxidative stress; selenomethionine; soybeans; subtilisin; transcription factor NF-kappa B;     Show all 19 Subjects
Abstract:
... Present study aimed to prepare and identify antioxidative peptides from selenium-containing soybeans, and to investigate their bioavailability and protective effects against oxidative stress-related diseases. Selenium-containing soybean antioxidative peptides (Mw < 1 kDa, SePPs) hydrolyzed by Neutrase and Alcalase reached the highest cellular antioxidant activity (EC₅₀ value 320.5 ± 39.71 μg/L ...
DOI:
10.1016/j.foodchem.2021.129888

5. Exogenous selenium (cadmium) inhibits the absorption and transportation of cadmium (selenium) in rice

Author:
Yongkun Guo; Kang Mao; Haorui Cao; Waqar Ali; Da Lei; Dongye Teng; Chuanyu Chang; Xuefeng Yang; Qi Yang; Nabeel Khan Niazi; Xinbin Feng; Hua Zhang
Source:
Environmental pollution 2021 v.268 pp. 115829
ISSN:
0269-7491
Subject:
selenium,   etc   ; absorption; agricultural land; antagonism; cadmium; hydroponics; pollution; remediation; rice; transportation;     Show all 10 Subjects
Abstract:
... Antagonism between selenium (Se) and cadmium (Cd) has been demonstrated in plants. However, a mutual suppression threshold for Se and Cd has not been identified in previous studies using Cd or Se individually. To fill this knowledge gap, we determined the levels of Se and Cd in various tissues of rice under concentration gradients of Se and Cd with different Se application times via hydroponic ...
DOI:
10.1016/j.envpol.2020.115829

6. Peanut selenium distribution, concentration, speciation, and effects on proteins after exogenous selenium biofortification

Author:
Liping Luo; Jinping Zhang; Kangyi Zhang; Qingyu Wen; Kang Ming; Hua Xiong; Fangjian Ning
Source:
Food chemistry 2021 v.354 pp. 129515
ISSN:
0308-8146
Subject:
selenium,   etc   ; biofortification; biotransformation; cysteine; cytotoxicity; dose response; fertilizers; food chemistry; methionine; peanut protein; peanuts; selenocysteine; selenomethionine; thermal stability;     Show all 14 Subjects
Abstract:
... Fortification of Se is vital importance for both nutritional demand and prevention of Se-deficiency-related diseases. To better understand t selenium distribution, concentration, speciation, its effects on proteins, and cytotoxic activity, the biofortification of exogenous Se in peanut was conducted in this study. Our data have shown that foliar spraying of Se-riched fertilizer was more efficient ...
DOI:
10.1016/j.foodchem.2021.129515

7. Short Communication: Effects of Dietary Selenium Supplementation on Selenium Deposition and Antioxidant Status in Postpartum Mice

Author:
Zhen-Nan Wang; Hui Li; He Tang; Shu-Jiu Zhang; Mirielle Pauline; Chong-Liang Bi
Source:
Biological trace element research 2021 v.199 no.4 pp. 1488-1492
ISSN:
0163-4984
Subject:
selenium,   etc   ; blood serum; liver; mammary glands; mice; parturition; pregnancy; research;     Show all 8 Subjects
Abstract:
... This study aimed to investigate the effects of dietary selenium during pregnancy on the selenium deposition and antioxidant enzymes in postpartum mouse serum, liver, and mammary gland. Eighty BALB/c pregnant mice were randomly divided into four groups: CG (Se-deficient basal diet, n = 20), LG (0.05 mg/kg Se-supplemented diet, n = 20), MG (0.1 mg/kg Se-supplemented diet, n = 20), and HG (0.2 mg/kg ...
DOI:
10.1007/s12011-020-02260-2

8. Comparative proteomics analysis of the responses to selenium in selenium-enriched alfalfa (Medicago sativa L.) leaves

Author:
Qingdong Wang; Yaru Zhang; Huafeng Hu; Jinke Hu; Meiling Xiang; QiaoFeng Yang
Source:
Plant physiology and biochemistry 2021 v.165 pp. 265-273
ISSN:
0981-9428
Subject:
selenium,   etc   ; ABC transporters; Medicago sativa; alfalfa; biochemical pathways; carbon metabolism; cysteine; energy; genes; glutathione transferase; ligases; plant physiology; proteomics; selenites; ubiquitination;     Show all 15 Subjects
Abstract:
... The mass of leaves and the chlorophyll and selenium content of alfalfa can be increased by the foliar spraying of selenite. To better understand the relationship between changes in the expression of specific proteins and the various metabolic and regulatory pathways affected by selenium treatment, labeling with Tandem Mass Tags (TMT) was used as a proteomics technique to compare control leaves ...
DOI:
10.1016/j.plaphy.2021.04.039

9. The Effect of Gypsum on the Fixation of Selenium in the Iron/Calcium-Selenium Coprecipitation Process

Author:
Haibo Wang; Ruonan Jiang; Baiyi Wang; Shuhua Yao
Source:
Bulletin of environmental contamination and toxicology 2021 v.106 no.1 pp. 121-125
ISSN:
0007-4861
Subject:
selenium,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; byproducts; calcium; calcium oxide; coprecipitation; gypsum; pH; pollution; selenites; toxicology;     Show all 12 Subjects
Abstract:
... The coprecipitation of selenium⁽ᴵⱽ⁾ (Se) with iron⁽ᴵᴵᴵ⁾ (Fe) is a widely practiced method for the removal of Se from mineral processing effluents, but the effect of gypsum as a major secondary mineral on the iron-selenium coprecipitation process is still of concern. In our work we first investigated the effects of pH, Fe/Se molar ratio and the neutralizing agent on the removal efficiency of Se ...
DOI:
10.1007/s00128-020-02881-2

10. Selenium source and level on performance, selenium retention and biochemical responses of young broiler chicks

Author:
Pedro Righetti Arnaut; Gabriel da Silva Viana; Lucimauro da Fonseca; Warley Junior Alves; Jorge Cunha Lima Muniz; James Eugene Pettigrew; Fabyano Fonseca e Silva; Horácio Santiago Rostagno; Melissa Izabel Hannas
Source:
BMC veterinary research 2021 v.17 no.1 pp. 151
ISSN:
1746-6148
Subject:
selenium,   etc   ; average daily gain; bioavailability; blood serum; body weight; chicks; copper; glutathione peroxidase; iron; liver; manganese; sodium selenite; thyroid hormones; veterinary medicine; yeasts; zinc;     Show all 16 Subjects
Abstract:
... BACKGROUND: Selenium (Se) has been recognized as an essential micronutrient for nearly all forms of life. In recent decades, broiler responses to dietary Se supplemental levels and sources have received considerable attention. On environmental grounds, organic trace mineral utilization in practical broiler feeds has been defended due to its higher bioavailability. In such feeds, trace minerals ...
DOI:
10.1186/s12917-021-02855-4

11. Food Chemistry of Selenium and Controversial Roles of Selenium in Affecting Blood Cholesterol Concentrations

Author:
Meng Zhao; Ting Luo; Zixuan Zhao; Han Rong; Guohua Zhao; Lin Lei
Source:
Journal of agricultural and food chemistry 2021 v.69 no.17 pp. 4935-4945
ISSN:
1520-5118
Subject:
selenium,   etc   ; bioavailability; blood; cholesteremic effect; cholesterol; cholesterol metabolism; dietary supplements; food chemistry; hypercholesterolemia; phytochemicals; public health;     Show all 11 Subjects
Abstract:
... Hypercholesterolemia, one of the major risk factors of cardiovascular diseases, is a worldwide public health problem. Nutraceuticals and phytochemicals are attracting attention as a result of their cholesterol-lowering ability and minimal side effects. Among them, selenium (Se) is on the list. The amount of Se in foods varies by region. Se-enriched fertilizers and feeds can raise the Se content ...
DOI:
10.1021/acs.jafc.1c00784

12. Status and risks of selenium deficiency in a traditional selenium-deficient area in Northeast China

Author:
Chenmeng Yang; Heng Yao; Yunjie Wu; Guangyi Sun; Wen Yang; Zhonggen Li; Lihai Shang
Source:
Science of the total environment 2021 v.762 pp. 144103
ISSN:
0048-9697
Subject:
selenium,   etc   ; agroecosystems; bioavailability; equations; geochemistry; principal component analysis; rural population; soil; China;     Show all 9 Subjects
Abstract:
... In agricultural lands with selenium (Se) deficiency, bioavailability of Se in plants is low. Residents from large-scale agricultural production areas with Se deficiency often suffer from endemic diseases because of consumption of agricultural products lacking in Se. One such area in Northeast China where Keshan disease and Kashin–Beck disease originated, was selected for investigating ...
DOI:
10.1016/j.scitotenv.2020.144103

13. Inhibition of immunotoxicity of Pb2+-induced RAW264.7 macrophages by selenium species in selenium-enriched rice

Author:
Jian Wu; Jian Ding; Yi Shi; Yong Fang; Peng Li; Fengjiao Fan; Ermin Zhao; Xinyang Sun; Xinchun Shen; Qiuhui Hu
Source:
Food and chemical toxicology 2021 v.148 pp. 111943
ISSN:
0278-6915
Subject:
selenium,   etc   ; Western blotting; apoptosis; cell viability; immunotoxicity; inflammation; interleukin-6; interleukin-8; macrophages; nitric oxide; phosphorylation; rice; rice protein; secretion; selenites; selenomethionine; toxicology;     Show all 17 Subjects
Abstract:
... Previous studies have revealed that Selenium-enriched rice protein hydrolysates (SPHs) could alleviate Pb²⁺-induced apoptosis in RAW264.7 macrophages. The purpose of the current study was to detect the effect of different selenium (Se) species on immunotoxicity of the Pb²⁺-induced RAW264.7 macrophages and explore the potential immunomodulatory mechanism. Herein, SPHs, an isolated SPHs fraction ...
DOI:
10.1016/j.fct.2020.111943

14. Selenium release kinetics and mechanism from Cordyceps sinensis exopolysaccharide-selenium composite nanoparticles in simulated gastrointestinal conditions

Author:
Yidong Xiao; Qilin Huang; Zhaomin Zheng; Huiyu Ma
Source:
Food chemistry 2021 v.350 pp. 129223
ISSN:
0308-8146
Subject:
selenium,   etc   ; Ophiocordyceps sinensis; diffusion; digestion; food chemistry; intestines; kinetics; models; nanoparticles; pH;     Show all 10 Subjects
Abstract:
... This work investigated selenium (Se) release kinetics and mechanism from exopolysaccharide-selenium nanoparticles (EPS-SeNPs, Se/EPS = 1/20, 1/1 and 4/3) in simulated gastric (SGF) and intestinal fluids (SIF) using kinetics models of Zero order, First order, Higuchi, Hixson-Crowell and Korsmeyer-Peppas. EPS-SeNPs showed an increase in size from 80–125 nm to 250–320 nm and more ambiguous boundary ...
DOI:
10.1016/j.foodchem.2021.129223

15. Selenium and Dogs: A Systematic Review

Author:
Viola Zentrichová; Alena Pechová; Simona Kovaříková
Source:
Animals 2021 v.11 no.2 pp. -
ISSN:
2076-2615
Subject:
selenium,   etc   ; blood serum; diet; dog diseases; dog feeding; dogs; glutathione peroxidase; hematologic tests; male fertility; nutrient deficiencies; nutrient intake; nutritional adequacy; nutritional status; parasitoses; pet foods; poisoning; systematic review;     Show all 17 Subjects
Abstract:
... The intent of this review is to summarize the knowledge about selenium and its function in a dog’s body. For this purpose, systematic literature search was conducted. For mammals, including dogs, a balanced diet and sufficient intake of selenium are important for correct function of metabolism. As for selenium poisoning, there are no naturally occurring cases known. Nowadays, we do not encounter ...
DOI:
10.3390/ani11020418

16. Nano-selenium Supplementation Increases Selenoprotein (Sel) Gene Expression Profiles and Milk Selenium Concentration in Lactating Dairy Cows

Author:
Liqiang Han; Kun Pang; Tong Fu; Clive J. C. Phillips; Tengyun Gao
Source:
Biological trace element research 2021 v.199 no.1 pp. 113-119
ISSN:
0163-4984
Subject:
selenium,   etc   ; Holstein; antioxidants; diet; dry matter intake; gene expression; glutathione peroxidase; lactation; mammary glands; milk; milk yield; research; selenoproteins; sodium selenite; thioredoxins;     Show all 15 Subjects
Abstract:
... Supplementation with selenium is common for dairy cows, but the importance of selenium source is not clear. This study aimed to compare nano-selenium (Nano-Se) and sodium selenite supplements for dairy cows on lactation performance, milk Se levels and selenoprotein (Sel) gene expression. Twelve multiparous Holstein cows were randomly divided into two groups: a control group fed a basal diet plus ...
DOI:
10.1007/s12011-020-02139-2

17. Effect of boiling and frying on the selenium content, speciation, and in vitro bioaccessibility of selenium-biofortified potato (Solanum tuberosum L.)

Author:
Zhou Dong; Yanhui Liu; Gang Dong; Hui Wu
Source:
Food chemistry 2021 v.348 pp. 129150
ISSN:
0308-8146
Subject:
selenium,   etc   ; Solanum tuberosum; bioavailability; digestion; foliar application; food chemistry; potatoes; sodium selenite; volatilization; water;     Show all 10 Subjects
Abstract:
... Selenium-enriched potato is a good supplement for selenium-deficient populations. This study evaluated the influence of two most common cooking methods, including boiling and frying, on selenium content, speciation, and in vitro bioaccessibility of selenium-biofortified potato tubers. After foliar application of 200 μg/mL sodium selenite, potato tubers with 1.33 μg Se/g were obtained. Peeling ...
DOI:
10.1016/j.foodchem.2021.129150

18. Selenium supplementation and oxidative stress: A review

Author:
Nazanin Zakeri; Mahnaz Rezaei kelishadi; Omid Asbaghi; Fatemeh Naeini; Maryam Afsharfar; Elahe Mirzadeh; Seyed kasra Naserizadeh
Source:
PharmaNutrition 2021 v.17 pp. 100263
ISSN:
2213-4344
Subject:
selenium,   etc   ; antioxidant activity; ascorbic acid; biomarkers; fatty liver; glutathione; insulin resistance; malondialdehyde; methionine; noninsulin-dependent diabetes mellitus; oxidative stress; reactive oxygen species; vitamin E;     Show all 13 Subjects
Abstract:
... Oxidative stress is defined as an imbalance between the production of oxidants (free radicals or reactive oxygen species) and their eradication by protective mechanisms, such as antioxidants (vitamin C, vitamin E, b-carotene, selenium and methionine). Increased oxidative stress is associated with metabolic risk factors and may contribute to the development of several obesity-related comorbidities ...
DOI:
10.1016/j.phanu.2021.100263

19. Selenium-oxidizing Agrobacterium sp. T3F4 steadily colonizes in soil promoting selenium uptake by pak choi (Brassica campestris)

Author:
Dahui Zhu; Yaxin Niu; Keke Fan; Fujun Zhang; Yu Wang; Gejiao Wang; Shixue Zheng
Source:
Science of the total environment 2021 v.791 pp. 148294
ISSN:
0048-9697
Subject:
selenium,   etc   ; Agrobacterium; Brassica rapa subsp. chinensis; Brassica rapa subsp. oleifera; Rhizobium; absorption; bioavailability; biofortification; environment; fluorescence; green fluorescent protein; oxidation; pot culture; selenates; selenites; soil;     Show all 16 Subjects
Abstract:
... Selenium (Se) deficiency in soil is linked to its low content in edible crops, resulting in adverse impacts on the health of 15% of the global population. The crop mainly absorbs oxidized selenate and selenite from soil, then converts them into organic Se. However, the role of Se-oxidizing bacteria in soil Se oxidation, Se bioavailability and Se absorption into plants remains unclear. The strain ...
DOI:
10.1016/j.scitotenv.2021.148294

20. Influence of processing methods and exogenous selenium species on the content and in vitro bioaccessibility of selenium in Pleurotus eryngii

Author:
Fei Zhou; Qin Peng; Min Wang; Nana Liu; Quang Toan Dinh; Hui Zhai; Mingyue Xue; Dongli Liang
Source:
Food chemistry 2021 v.338 pp. 127661
ISSN:
0308-8146
Subject:
selenium,   etc   ; Pleurotus eryngii; bioavailability; food chemistry; fruits; yeasts;     Show all 6 Subjects
Abstract:
... Understanding the effects of processing on the Se content and bioaccessibility in food is critical in guiding the development of Se-enriched products. In this study, Se-enriched Pleurotus eryngii was obtained by applying different Se supplements to the substrate. Selenium content and its bioaccessibility among raw and processed fruit bodies were compared. The application of exogenous Se had ...
DOI:
10.1016/j.foodchem.2020.127661