Srovnání slabých extrakčních postupů pro stanovení sloučenin arsenu v jednotlivých částech rostliny papriky (Capsicum annum, L.)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F05%3A10272" target="_blank" >RIV/60460709:41210/05:10272 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60460709:41210/05:###10272

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Comparison of mild extraction procedures for determination of arsenic compounds in different parts of pepper plants (Capsicum annum, L.)

Popis výsledku v původním jazyce

In the present work eight extraction agents (water, methanol/water mixtures in various ratios, methanol, a 20 mM ammonium phosphate buffer, and a methanol/phosphate buffer) were tested for the extraction of arsenic compounds from fruits, stems+leaves, and roots of pepper plants grown on soil containing 17.2 mg kg-1 of total arsenic. The arsenic compounds in the extracts were determined with HPLC-HG-ICPMS. While for fruits (87%&#61617; 3.3% extraction yield) and roots (96% &#61617; 0.6% extraction yield)pure water was the most effective extraction agent, the 20 mM ammonium phosphate buffer at pH=6 extracted about 50% of the arsenic from stems+leaves. Decreasing extractability of the arsenic compounds was observed with increasing methanol concentrationsfor all parts of the pepper plant. In pepper fruits, As(III), As(V), and DMA were present (25, 37, and 39% of the extractable arsenic). In stems+leaves and roots As(V) was the major compound (63 and 53%) followed by As(III) representing

Název v anglickém jazyce

Comparison of mild extraction procedures for determination of arsenic compounds in different parts of pepper plants (Capsicum annum, L.)

Popis výsledku anglicky

In the present work eight extraction agents (water, methanol/water mixtures in various ratios, methanol, a 20 mM ammonium phosphate buffer, and a methanol/phosphate buffer) were tested for the extraction of arsenic compounds from fruits, stems+leaves, and roots of pepper plants grown on soil containing 17.2 mg kg-1 of total arsenic. The arsenic compounds in the extracts were determined with HPLC-HG-ICPMS. While for fruits (87%&#61617; 3.3% extraction yield) and roots (96% &#61617; 0.6% extraction yield)pure water was the most effective extraction agent, the 20 mM ammonium phosphate buffer at pH=6 extracted about 50% of the arsenic from stems+leaves. Decreasing extractability of the arsenic compounds was observed with increasing methanol concentrationsfor all parts of the pepper plant. In pepper fruits, As(III), As(V), and DMA were present (25, 37, and 39% of the extractable arsenic). In stems+leaves and roots As(V) was the major compound (63 and 53%) followed by As(III) representing

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

—

Projekt

<a href="/cs/project/QD1256" target="_blank" >QD1256: Koncepce sanace území dlouhodobě kontaminovaného toxickými prvky v podmínkách trvale udržitelného zemědělství</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2005

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Applied Organometallic Chemistry

ISSN

0268-2605

e-ISSN

—

Svazek periodika

19

Číslo periodika v rámci svazku

—

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

7

Strana od-do

308-314

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—