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Protective Effect of Selenium in Broccoli ( Brassica ...

Selenium (Se) has chemical properties similar to sulfur, but slight differences can lead to altered tertiary structure and dysfunction of proteins and enzymes, if selenocysteine is incorporated into ...

(PDF) Selenium Concentrations of Selected Medicinal and ...

regulation of the expression of selenium GPx in cancer cells [8]. The role of selenium-contain-ing GPx is obvious but in addition to these are the not inconsiderable cysteine-containing GPx (GPx-like proteins) or non-selenium-dependent GPx. The essential oils of aromatic and medicinal plants have different biological activity mediat-

Top 15 Most Powerful Medicinal Plants - The Mysterious World

2.2. Assessment of Selenium Concentration Selenium (Se) concentrations in herbs were determined using Watkinson's spectrofluorometric method [20], modified by Grzebuła and Witkowski [21]. The tissues were dissolved in HNO3 at 230 C for 180 min and in HClO4 at 310 C for 20 min. Then, the samples were hydrolyzed with 9% HCl.

IMPACT OF SELENIUM FERTILIZATION ON GLUCOSINOLATE ...

Improving selenium status in plant nutrition and quality. M.L. Mora 1*, P. Durán 1, J. Acuña 1, P. Cartes 1, R. Demanet 1 and L. Gianfreda 2. 1 Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile. *Corresponding author: [email protected]

How to Find the Best Selenium Supplement

Dec 01, 2010· 1. Introduction. Plants used for medicinal purpose are generally designated as medicinal plants (MPs). MPs are of special importance taking into account their role in health protection as preventive or supportive therapy for numerous diseases and disorders (Razic et al., 2003).The history of plants being used for medicinal purpose is probably as old as the history of mankind (Graham et al ...

Selenium - Herb Information, Benefits, Discussion and News

Of the analyzed 26 medicinal and aromatic plants, the highest Se concentration (1133 microg kg-1) was found in sweet basil (Ocimum basilicum L.) and the lowest in sumac (Rhus coriaria L.) fruits ...

Determination of selenium content in aqueous extract of ...

Sep 23, 2016· Plants absorb inorganic selenium from the earth and convert it into organic forms. Environmental factors affect the amount of selenium a plant absorbs. The pH of the soil, temperature, air humidity, and ground moisture all affect selenium uptake. Because of these variations, selenium concentration in plant-based foods varies region to region ...

Selenium in Plants - Biocyclopedia

Mar 11, 2020· The selenium content of soil affects the amounts of selenium in the plants that animals eat, so the quantities of selenium in animal products also vary [2,5]. However, selenium concentration in soil has a smaller effect on selenium levels in animal products than in plant-based foods because animals maintain predictable tissue concentrations of ...

(PDF) Selenium concentration in St. John's wort ...

Improving selenium status in plant nutrition and quality. M.L. Mora 1*, P. Durán 1, J. Acuña 1, P. Cartes 1, R. Demanet 1 and L. Gianfreda 2. 1 Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile. *Corresponding author: [email protected]

Selenium in Plants: Uptake, Functions, and Environmental ...

Aug 20, 2019· For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. While a single Brazil nut from one region provided up to …

Antioxidant Activity and Selenium and Polyphenols Content ...

There are not limit of selenium concentration in medicinal plant in Brazil and World Health organization (WHO). However, manifestation of toxicity symptoms will occur with high Cr intakes in supplements. In fact, according studies, Selenium can have toxic effects at high doses [69]. Thus, daily and continuous ingestion of high selenium plants ...

Selenium in Plants - Biocyclopedia

The regions of plant collection differed in selenium abundance . Soils in Ukraine, in the neighborhood of Zabłotce, were characterized by a relatively high concentration of selenium, which ranged from 0.357 to 0.492 mg/kg, whereas soils in Lithuania, in surroundings of Lazdija, showed a scarce supply of selenium …

Selenium in Soils and Plants - USDA

Pueraria lobata (willd.) Ohwi is a consumable selenium-enriched plant used for medicinal purposes. The molecular response to selenium (Se) stimuli in P. lobata is currently unknown. We used RNA-Seq to identify potential genes involved in selenite metabolism and analyzed their expression profiles. We obtained a total of 150,567 unigenes, of which 90,961 were annotated, including 16 structural ...

Antioxidant Activity and Selenium and Polyphenols Content ...

Nov 15, 2009· The concentration of Se in unsprayed plants was from about 20 ng g −1 to 120 ng g −1 ().The concentration in foliarly sprayed plants was in the range from about 1000 ng g −1 to 12,000 ng g −1, lowest in stem, higher in flowers and with the highest concentration in the leaves ().No visual symptoms of Se toxicity appeared on Se-sprayed plants, nor any symptoms due to UV-B irradiation of ...

Selenium accumulation by plants | Annals of Botany ...

(2014). IMPACT OF SELENIUM FERTILIZATION ON GLUCOSINOLATE CONCENTRATION IN ARABIDOPSIS THALIANA AND RAPID CYCLING BRASSICA OLERACEA. Journal of Plant Nutrition: Vol. 37, No. 3, pp. .

7 Science-Based Health Benefits of Selenium

The concentration of Se in unsprayed plants was from 20ngg⁻¹ to 120ngg⁻¹. The concentration of Se in the organs of plants foliarly sprayed with Se ranged from 1000ngg⁻¹ to 12,000ngg⁻¹, the highest concentration being detected in plants grown under reduced levels of UV-B radiation.

Improving selenium status in plant nutrition and quality

There are not limit of selenium concentration in medicinal plant in Brazil and World Health organization (WHO). However, manifestation of toxicity symptoms will occur with high Cr intakes in supplements. In fact, according studies, Selenium can have toxic effects at high doses [69]. Thus, daily and continuous ingestion of high selenium plants ...

A chemometric approach to distribution of selenium in ...

Dec 29, 2015· Abstract. Background Selenium (Se) is an essential mineral element for animals and humans, which they acquire largely from plants. The Se concentration in edible plants is determined by the Se phytoavailability in soils. Selenium is not an essential element for plants…

Selenium concentration in St. John's wort (Hypericum ...

The total biomass of the plant, the selenium concentration of the seed, the fruit yield, and the micro/macronutrient concentrations were determined in the leaf.

Bredemeyera floribunda Wild Elemental Content and ...

If your soil contains selenium at a concentration greater than 200 mg/kg, it would be a good idea to investigate the reason why. It would also be advisable to have some plant tissue from edible plants grown in your garden analysed and to then seek expert advice about any health effects of consuming the produce if the level of selenium is ...

Selenium in biology - Wikipedia

Although it is toxic in large doses, selenium is an essential micronutrient for animals. In plants, it sometimes occurs in toxic amounts as forage, e.g. locoweed.Selenium is a component of the amino acids selenocysteine and selenomethionine.In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase.

Selenium in plants and soil

St. John's wort (Hypericum perforatum L.) was grown under different levels of UV-B radiation, with selenium (10mgl−1 Se applied by foliar spraying in the form of sodium selenate) or without foliar Se application. The different levels of UV-B

Bredemeyera floribunda Wild Elemental Content and ...

Nov 29, 2007· The protective effect of selenium against the cadmium-induced oxidative effect in broccoli ( Brassica oleracea) plants was studied. Plants grown in hydroponic culture were supplied with selenium [as Se(IV)] and cadmium [as Cd(II)], individually or simultaneously. Cadmium accumulation in roots was noticeably higher than in the aerial parts of the plants, and this effect was even more acute …

ORIGINAL ARTICLE Open Access Organ-specific effects of ...

St. John's wort (Hypericum perforatum L.) was grown under different levels of UV-B radiation, with selenium (10 mg l-1 Se applied by foliar spraying in the form of sodium selenate) or without foliar Se application. The different levels of UV-B radiation comprised an enhanced level simulating 17% ozone depletion, ambient level, and a reduced level of UV-B radiation.

Transcriptome sequencing and analysis reveals the ...

The aim of this study was to evaluate the level of selenium (Se) in common raw plant materials (herbs, leaves, flowers, fruits, and roots) obtained from medicinal plants cultivated in Poland. Furthermore, the relationship between the morphological part of a plant and its species was examined, and the concentration of Se in it was measured.