ADVANCED INTERACTION SEARCH

VitiSynth Full Entry

Reference: Innovative isotopic method to evaluate bioaccumulation of As and MTEs in Vitis vinifera
Key Statements

Abstract-

The transfer of metal and metalloid trace elements (MTEs) from contaminated soil to grapevines is a major issue for grape consumption and for the associated health risks. Based on an isotopic approach, we shed light on the concept of MTE bioavailability. The bioavailable fractions are identified by using the Sr-isotope ratio as a proxy for MTEs. This allows us to differentiate three soil reservoirs: the ‘current available fraction’ in soil water, the ‘reserve available fraction’ stored in mineral phases of the soil fractions, and the ‘non-available fraction’. The reserve available fraction, representing 10 to 60% of bulk soil depending on the MTE, includes the exchangeable, carbonates, humic substance and oxides fractions. The 87Sr/86Sr isotopic signatures of grape berries and vine leaves show an additional source of MTEs, which is imported by foliar uptake and can contribute up to 10% of the MTEs in leaves. In addition, root-uptake and translocation rates show high accumulation rates of Co, Sn and Cu, and low ones for As, Sb, Zn and Cd. A daily intake between 1 and 3 kg of (dry grapes) would reach the benchmark dose level for a 0.5% (BMDL0.5). While such a daily intake of grapes is unreasonable, consumption of other local vegetables and fruit would contribute to the daily intake. Hence, a chronic arsenic exposure is of great concern for human health in mining areas. We outline the importance of geochemical tracers, such as Sr isotopes, when determining the transfer and translocation of MTEs in plants. Our method presents a high-precision evaluation of the bioavailability and bioaccumulation of MTEs, and a better understanding of these processes in plants, thus leading to a better assessment of the environmental risk on human health.

(highlighting by VitiSynth)

Link to paper-

https://www.sciencedirect.com/science/article/pii/S0048969718336660

https://doi.org/10.1016/j.scitotenv.2018.09.222


Partially indexed reference.

View Interactions

VitiSynth Review
Go Back

Vitisynth

Guaranteed Excellence NDtech-   an individualized quality control screening technology for natural cork stoppers that delivers the world’s first natural cork with a non-detectable TCA guarantee*.   *releasable TCA content below the 0.5 ng/L quantification limit; analysis performed in accordance to ISO 20752.

Publication Details

Published: 2018
Publication: Science of the Total Environment
Issue: 2018 651-1 p1126-1136
Author: Khaska S 2018
Recommendation:

Brain food

Related Video

None for this Entry

Related Audio

None for this Entry

Discuss this Entry

No related discussions available.

Join Discussion

Latest Discussions
Special Report

Date: 29th October 2015
Reference:Journal:Weed Technology:2015:Online October 2015:Devkota P 2015:Influence of Spray Solution Temperature and Holding Duration on Weed Control with Premixed Glyphosate and Dicamba Formulation

Pesticides in general are chemical products, therefore the quality of ...Read more

Date: 3rd February 2015
Polls:0009:Data standards:03 Malvidin-3-glucoside or Malvidin-3-O-glucoside or Malvidin 3-O-β-D-glucoside?

Malvidin-3-glucoside or Malvidin-3-O-glucoside or Malvidin 3-O-β-D-gl...Read more

Date: 26th January 2015
Admin Synth:Guides:Data standards:Wine industry research papers (draft standard)

I think we should be developing a standard for wine industry research ...Read more

Wine Industry Data Standards.. Read more

test