The determination of type and concentration of trace elements in nutrition, body tissue and liquids, coal, water, soil, and so on is regarded as the first and most important step to follow the mechanisms controlling the dispersal and accumulation of trace elements. Element speciation in different media (water, soil, food, plants tissue, coal ...

crassipes, C i is content of the trace metals in the roots; C ei (mg/L) refers to the measured concentration of the trace elements in the environment where the E. crassipes grew. Because E .

For example some soil structures may retain these elements making them available at the root area. The irrigation system also can affect the absorption of toxic elements by the plant. Example, sprinkler irrigation may pose a higher risk of absorption of these toxic elements through the leaves. Phyto-toxic threshold levels of some trace elements.

According to the results, the detected concentrations of macro elements in the leaves/flowers of cannabis ranged between 28 and 138,378 ppm, and of trace elements between 0.002 and 1352.904 ppm. Although the concentrations of elements varied among the samples, their accumulation pattern was found to be similar, with the …

In the present study, a systematic review along with a meta-analysis was conducted based on relevant studies from 11 Asian countries (1999–2022, Scopus, PubMed, MEDLINE, ScienceDirect, and Google Scholar) to evaluate the crop-wise differences in the accumulation of trace element (TE) in the edible part of different crops (vegetables: …

nine trace elements that can be applied to a unit area ted under the Part 503 regulation will cause a gradual of land. The regulation also established concentration buildup of trace element concentrations in amended limits for the nine trace elements that were determined soils over time. Most of the data used by the USEPA

Heavy metal concentration in foods and drinking water. Humans are exposed to heavy metals through various pathways [].Among these pathways, consumption of food contaminated with heavy metals is a major route for human exposure to heavy metals [].In the current study, the overall mean concentration of heavy metals was …

The concentration of trace elements in the seawater column at each site was measured using diffusive gradients in thin films (DGTs) devices (DGT Research Ltd., UK). ... (mussel tissue), BCR-60 (Lagarosiphon major), BCR-661 (Platyhypnidium riparioides) and GBW07603 (bush twigs and leaves). For each TE, detection limit (LD) …

This study has three aims: (1) to measure the concentrations of arsenic and heavy metal elements, such as chromium, cadmium, and lead, as well as the essential trace elements contained in dried tea leaves of the common brands in Taiwan; (2) to determine the percentage released and concentration of each of these elements after …

Sulphur (49.6%) had the highest average resorption efficiency followed by Cu (30.3%), Mo (29.5%), Zn (19.5%) and B (17.6%). Two structural elements, Na and Mn, were not resorbed, whereas two ...

Sesame plants were sprayed with different concentrations of boron solution at 20, 30 and 40 ppm at different stages of plant growth (1, 2 and 3 months).

Abstract. Essential oil from Calotropis gigantea (L) leaves was extracted by hydrodistillation method followed of solvent extraction and characterized by GC-FID and GC-MS techniques. The chemical ...

... Table 3 showed the concentration of trace metals in type of sesame seeds (µgkg −1 ). Statistical analysis (ANOVA) showed significant difference in the amount of trace metals …

3.1. Content of Trace Elements in Soils. Table 1 shows the characteristics and concentrations of Cu, Zn, Pb, Cd, and As in the 117 soil samples. In this study, the pH value of most soils ranged between 6.0 and 8.0, with several samples displaying a pH of less than 5.5 or more than 8.5.

Also, there were toxic elements found: As (all seeds except amaranth); Cd was present in linen, quinoa, and sesame, while Pb was found only in linen. The presence and concentration of toxic elements were significantly lower than those reported in other works (Aguilar et al. 2013a, b; Konishi et al. 2004).

Many trace elements, in addition to sodium, chloride and boron, are toxic to plants at very low concentrations. Fortunately most irrigation supplies contain very low concentrations of these trace elements and are generally not a problem. Suggested maximum concentrations for these unusual trace elements are given in Section 5.5.

The amplification mechanism enables small variations in the concentration of the trace element to have large biochemical effects. Essential trace elements in mammals can have four general roles: (1) they can behave as macrominerals, (2) they can participate in the catalysis of group-transfer reactions, (3) they can participate in oxidation ...

The concentration of trace elements in edible parts of different types of vegetable samples collected from Mymensingh Divisional city markets of Bangladesh. ... (red amaranth and radish leaves) contain comparatively more trace elements. Furthermore, red amaranth is the only vegetable with an HI value greater than 1 (1.452 …

The results indicated that mean grain zinc concentration of landraces (44.83 mg kg−1) was 11.13% greater than that of cultivars (40.34 mg kg−1) on average across seasons, while grain iron ...

1. Introduction Sesame ( Sesamum indicum L.) is one of the earliest human production and consumption oil crops in the family of Pedaliaceae [ 1 ], rape, soybean, …

The concentration of trace elements in biological samples can be determined with various analytical techniques, such as atomic absorption spectrometry, inductively coupled plasma mass spectrometry ...

Micronutrients are trace elements which are needed in small amounts but essential for plant growth and ... Generally, Zn applied to rice is absorbed through the roots or leaves, while plant Zn concentration had mainly originated from root-applied ... Increasing the seed Zn content of sesame was induced by ZnSO 4 or the mixture of …

The highest levels in crop plant were 33 mg As/kg and 3.8 mg Pb/kg (in green onion root), 0.87 mg Cd/kg and 226 mg Zn/kg (in lettuce root), 16.3 mg Cu/kg (in sesame leaves). The concentration of ...

The trace element concentration levels in tea infusions followed the same pattern as those of total trace element content in tea leaf samples. Similar moderate to high concentrations were reported for these trace elements in tea infusion due to their differential transfer and dissolution ranging from 7.8 to 13% [ 19 ].

For Pakistan, soil background data of trace elements do not exist. Consequently, in this study, we have used the background trace element concentration of soil reported by Kabata-Pendias ().The obtained data were divided into four categories, i.e., (i) C d < 6: low degree of contamination, (ii) 6 < C d < 12: moderate degree of …

Download scientific diagram | The concentration of trace metals in sesame seeds µg/kg. from publication: The concentration and probabilistic health risk assessment of trace metals in three type ...

The concentration of various elements K, Mg, Na and Zn in the sample was more than 200 ìg. ... trace elements, etc. in the gel found in its leaves. It is part of various nutritional supplements ...

As, Cd, Pb, Se and V not detected (< LOD) in the samples after infusion by ICP-MS. Trace elements, "Ba, Co, Cr and Ni" were presented in the lower concentration. Concentrations of Cr, Co, Ba and Ni ranged from 3 to 51 µg kg −1, LOD-7.0 µg kg −1, < LOD-913 µg kg −1 and 3–114 µg kg −1, in all samples respectively.

Table 3 showed the concentration of trace metals in type of sesame seeds (µgkg −1 ). Statistical analysis (ANOVA) showed significant difference in the amount of trace metals between varieties ...

This study was conducted to evaluate the concentration and health risk of trace elements in milk powder and baby food samples marketed in Iran using inductive couple plasma/optical emission ...