selenium concentration in herbal plants

selenium concentration in herbal plants

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

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 …

Medicinal Herbs High in Nutrients | Home Herb School

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]

Chemical forms and stability of selenium in soil: Soil ...

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 ...

Selenium in plants and soil

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 higher plants: understanding mechanisms for ...

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.

Determination of selenium content in aqueous extract of ...

Selenium in Plants The question of whether or not selenium is a micronutrient for plants is still considered unresolved .Selenium has not been classified as an essential element for plants, but its role as a beneficial element in plants that are able to accumulate large amounts of it has been considered .Uptake and accumulation of selenium by plants is determined by the form and concentration ...

Selenium accumulation by plants | Annals of Botany ...

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 ...

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

2.1. Plant Yield and Selenium Content. The untreated basil plants were characterized by a low selenium concentration in their leaves, accounting for 0.014 μg g −1 (Table 1).However, when using 2 μM selenium, the selenium concentration in the leaves increased by 75 times (by selenium application in a nutrient solution) and by 39 times (by foliar application).

Comparative transcriptomics provides novel insights into ...

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

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

Plants are an amazing source of vital nutrition. Look to herbs high in nutrients to supply important minerals such as iron, magnesium, calcium and potassium as well as protein and many vitamins. Often herbs frequently used in herbal medicine are more nutritious than many of the healthiest foods.

Selenium accumulation by plants | Annals of Botany ...

Nutrient Search If you search by a single criterion, the food with the most (or least) of that nutrient will be at the top of the list. If you search for foods highest or lowest in multiple nutrients, we determine a composite score by multiplying the rankings for each individual criterion.

The 7 Best Vegetarian Foods for Selenium

Selenium (Se) is an essential trace element for animals and humans that can be acquired from plant accumulators growing in seleniferous soil. According to tolerance and accumulation quantities of ...

A chemometric approach to distribution of selenium in ...

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.

Foods highest in Selenium in Spices and Herbs

In the Soda Springs area, selenium occurs naturally in the phosphate ores that are processed at Monsanto and other area phosphate plants. Selenium is needed to maintain good health, and is found in multivitamins and supplements. Short-term oral exposure to high concentrations of selenium may cause nausea, vomiting, and diarrhea.

Effects of Selenium on Plant Metabolism and Implications ...

Aug 01, 2009· Selenium in the environment. The metalloid selenium (Se) is ubiquitous in the environment, and its concentration in most soils ranges from 0.01 to 2.0 mg kg –1, with a mean of ∼0.4 mg kg –1; however, higher concentrations (>10 mg kg –1) can occur in seleniferous areas .Soil Se concentration and bioavailability vary with parent material and environmental conditions, and the …

Selenium concentration in wheat grain: Is there sufficient ...

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.

Selenium in biology

May 11, 2017· Selenium (Se) is an essential trace element for many organisms including humans, while in plants it can trigger a variety of beneficial effects. Plants absorb Se mainly in the form of selenate using high affinity root sulfate transporters.

(PDF) Selenium and plants

The selenium content of food varies a lot because it depends heavily on soil conditions. Hence, some researchers argue it is not possible to create a valid list of foods and their selenium content. While soil conditions affect plant foods directly, they also affect animal foods. After all, most animals depend upon plants for their diet.

Selenium

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

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

Mar 27, 2008· Selenium content of plants Selenium Indicator Plants ... serum selenium concentration (in ppm) control 1 mg Se/kg BW as SeMet 2 mg Se/kg BW as SeMet 3 mg Se/kg BW as SeMet 0.000 0.500 1.000 1.500 2.000 2.500 0 20 40 60 80 100 120 140 160 time (hours) s e r u m sel e n i u m co n cen t r at i o n (i n p p m) control 1 mg Se/kg BW as selenite

Foods highest in Selenium in Spices and Herbs

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 …

Selenium in Plants

The chemical constituents in medicinal plants (MPs), including elements, are partially responsible for their medicinal and nutritional properties as well as toxic effects. This research aimed to monitor selenium (Se) contents in aqueous extract of MPs used for treatment of cancer and different diseases.

Selenium in biology

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.

How to Find the Best Selenium Supplement

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

Nutrient Search If you search by a single criterion, the food with the most (or least) of that nutrient will be at the top of the list. If you search for foods highest or lowest in multiple nutrients, we determine a composite score by multiplying the rankings for each individual criterion.

Selenium: Uses, Side Effects, Interactions, Dosage, and ...

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.