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Selenium: Benefits, Uses, Side Effects, Dosage, and More

Selenium is a mineral found in the soil. Selenium naturally appears in water and some foods. While people only need a very small amount, selenium plays a key role in the metabolism.. Why do people ...

Improving selenium status in plant nutrition and ...

In Chile, selenium enrichment of fertilizer applications across coated seeds or by foliar applications in crops has been described as an effective strategy in order to increase Se availability to plants and …

Plant selenium toxicity: Proteome in the crosshairs ...

Selenium speciation within the plant tissues partly depends on the form of selenium which is supplemented to the plant. A nice example is the work of de Souza et al. (1998), where selenate-treated Indian mustard accumulated selenate while selenite-treated mustard principally accumulated SeMet and selenomethionine-Se-oxide.In carrot, however, SeMet and γ-glutamyl-selenomethyl-selenocysteine ...

The 7 Best Vegetarian Foods for Selenium - Global Healing

Apr 14, 2014· Selenium is a powerful trace mineral that everyone needs. Along with iodine, selenium is great for the thyroid.It supports the immune system and it's a powerful antioxidant. [1, 2] Adults need at least 55 micrograms a day and some people consume more, depending on their needs (it's best to stay under 400mcg/day).[Although fish and meat are sources of selenium, you can also get it from plants.

Review of selenium in soils, plants, and animals in Nevada ...

@article{osti_6627820, title = {Review of selenium in soils, plants, and animals in Nevada}, author = {Poole, S C and Bohman, V R and Young, J A}, abstractNote = {Selenium is critical in livestock nutrition; forage can be either potentially deficient or toxic in this element. Selenium is accumulated in excessive amounts by a relatively few species of plants.

SELENIUM IN HIGHER PLANTS | Annual Review of Plant Biology

Plants vary considerably in their physiological response to selenium (Se). Some plant species growing on seleniferous soils are Se tolerant and accumulate very high concentrations of Se (Se accumulators), but most plants are Se nonaccumulators and are Se-sensitive. This review summarizes knowledge of the physiology and biochemistry of both types of plants…

Selenium in plants and soil - Got A Plant Problem? Plantprobs

Selenium. Selenium is an essential nutrient in animals and humans but is not generally considered to be essential to plants. It has been found to be beneficial to some plants, however anything more than a trace amount can cause symptoms of toxicity. Selenium is also toxic to animals and humans if excess amounts are ingested.

The Antioxidant Role of Selenium and Seleno-Compounds - …

Selenium (Se) is an essential trace element for animals and humans that is obtained from dietary sources including cereals, grains and vegetables. The Se content of plants varies considerably according to its concentration in soil. Plants …

13 Proven Benefits of Selenium | Organic Facts

Jan 31, 2020· Selenium is an essential trace mineral that is mainly derived from soil, water, and plant materials. Humans mainly acquire it from various plant sources, and since it is required for several essential activities, it is considered a non-metal. Although toxic in large quantities, it is necessary for certain cellular functions of animals and people.

Distribution - Selenium in Nutrition - NCBI Bookshelf

Selenium is widely distributed in minute amounts in virtually all materials of the earth's crust, having an average abundance of about 0.09 ppm (Lakin, 1972). Its occurrence has been determined in a wide variety of rocks, minerals, lunar and volcanic materials, fossil fuels, soils, plant …

Selenium in Plants - USDA ARS

Selenium content of plants Selenium Indicator Plants Up to and in excess of 10,000 ppm Facultative Selenium Accumulators < 0.1 ppm to few thousand ppm Passive Selenium Accumulators < 0.1 ppm to a few hundred ppm

Selenium-Accumulating Plants : USDA ARS

The secondary selenium accumulators include some native range plants, and crop plants such as western wheatgrass, barley, wheat, and alfalfa. Plants containing more than 5 ppm selenium are potentially toxic in cattle. Where Selenium-Accumulating Plants Grow The major seleniferous areas of the West can be found in North and South Dakota, Montana ...

Should We Be Concerned About Selenium in Agriculture ...

Selenium is an essential element for life in humans and other animals, and selenium deficiency can be a major health problem. Because of that, farmers and ranchers sometimes try to get more selenium into their plants and animals, often by using selenium-laced fertilizers.But even though selenium …

Selenium in Plants | Semantic Scholar

Selenium (Se) and sulfur (S) are chemically similar. Most plants cannot discriminate between the two, with the exception of Se hyperaccumulator species, which preferentially accumulate Se over S. Genetic engineering of various genes from the S/Se assimilation pathway has successfully enhanced plant Se tolerance, accumulation, and volatilization, in both laboratory and field.

Plants Poisonous to Livestock - Cornell University ...

Distribution of selenium is variable throughout the United States. Most of the Eastern and Northwestern areas of the country have low selenium in the soil and in the plants, while in the Midwest, there are adequate amounts of selenium in the forages. For a more detailed map: Map of Selenium Status in US.

10 Nutritious Plant Foods Rich in Selenium

May 02, 2018· Selenium is a trace mineral that the human body needs in tiny amounts. It is also an important antioxidant and an essential part of a healthy immune system. Fish and meat are great sources of the mineral, but there are many plant-based foods that particularly selenium-rich. Here are 10 selenium-rich plant foods.

Books in Soils, Plants, and the Environment Ser.: Selenium ...

Find many great new & used options and get the best deals for Books in Soils, Plants, and the Environment Ser.: Selenium in the Environment by W. T. Frankenberger (1994, Hardcover / …

Development of nutritious rice with high zinc/selenium and ...

Jan 19, 2020· INTRODUCTION. Zinc (Zn) and selenium (Se) are essential elements for humans. Zn has three major biological roles as catalyst, structural component and regulatory ion in the organism (Chasapis et al. 2012).Inadequate zinc intake causes problems with adequate growth, immunocompetence and neurobehavioral development (Wessells and Brown 2012).Among the …

Top Vegetables With Selenium | Healthy Eating | SF Gate

Top Vegetables With Selenium. Most vegetables contain little selenium, a trace mineral that your body needs in small amounts to produce antioxidants and keep the immune system functioning well. The amount of the mineral can vary widely in vegetables depending on how much selenium is in the soil in which the plant was ...

Selenium Metabolism in Plants: Molecular Approaches

Selenium Metabolism in Plants: Molecular Approaches 213 2. Selenium metabolism in plants 2.1 Uptake and transport Selenium could be occurs in following oxidation states: 2 (selenide), 0 (elemental Se), +4 (selenite), and +6 (selenate). Selenate is accumulated in plant …

Effects of Selenium Application on Plant Growth and Some ...

Background and Objective: Selenium (Se) is an essential plant micronutrient and has been repetedly shown to enhance crop growth and crop tolerance to abiotic stresses when applied in trace amounts. However, physiological responses of different plants …

Selenium Enrichment of Horticultural Crops

2. Selenium Enrichment of Agricultural Crops. Several strategies can improve a suboptimal selenium status, including a diversified diet, food supplements, fortification of foodstuffs, and the biofortification of plants [46,47,48,49,50].A diversified diet can provide a good intake of minerals, proteins and vitamins, however in many socio-economic contexts around the world, access to diverse ...

Selenium in plants | SpringerLink

This book focuses on selenium (Se) metabolism in plants. It not only covers plant genetic, biochemical and physiological processes but places these in the context of Se movement in the food chain and the global environment, as well as discusses ecological and evolutionary significance. While Se is an essential micronutrient, it is toxic at high ...

Link identified between dietary selenium and outcome of ...

Link identified between dietary selenium and outcome of COVID-19 disease Date: April 29, 2020 Source: University of Surrey Summary: Researchers have identified a link between the COVID-19 cure ...

Selenium in higher plants: understanding mechanisms for ...

Selenium (Se) is an essential micronutrient for many organisms, including plants, animals and humans. As plants are the main source of dietary Se, plant Se metabolism is therefore important for Se nutrition of humans and other animals. However, the concentration of Se in plant foods varies between areas, and too much Se can lead to toxicity. As we discuss here, plant Se uptake and metabolism ...

7 Science-Based Health Benefits of Selenium

The amount of selenium in plant-based foods varies depending on the selenium content of the soil in which they were grown. Thus, selenium concentrations in crops depend largely on where they are ...

Frontiers | An Overview of Selenium Uptake, Metabolism ...

Selenium (Se) is an essential micronutrient for humans and animals, but lead to toxicity when taken in excessive amounts. Plants are the main source of dietary Se, but essentiality of Se for plants is still controversial. However, Se at low doses protects the plants from variety of abiotic stresses such as cold, drought, desiccation, and metal stress.

Selenium Assimilation and Volatilization from ...

Selenium accumulation and volatilization by plants have been shown to be effective for the phytoremediation of Se-contaminated soil and water (Bañuelos et al., 1995; Hansen et al., 1998; Terry …

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