Tracking, Behavior and Fate of 58 Pesticides Originated from Hops during Beer Brewing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10391642" target="_blank" >RIV/00216208:11310/18:10391642 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60193697:_____/18:N0000022

Výsledek na webu

<a href="https://doi.org/10.1021/acs.jafc.8b03416" target="_blank" >https://doi.org/10.1021/acs.jafc.8b03416</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acs.jafc.8b03416" target="_blank" >10.1021/acs.jafc.8b03416</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tracking, Behavior and Fate of 58 Pesticides Originated from Hops during Beer Brewing

Popis výsledku v původním jazyce

The study presents tracking of 58 pesticide residues associated with hops to estimate their carryover into brewed beer. The pesticides were spiked onto organic hops at a concentration of 15 mg/kg, and the wort was boiled with the artificially contaminated hops and fermented on a laboratory scale. Samples were collected during the whole brewing process and pesticide residues were extracted using a method known as QuEChERS (quick, easy, cheap, effective, rugged, and safe). An HPLC HRMS/MS method was developed and validated to identify and quantitate pesticide residues in treated hops, spent hops, hopped wort, green beer, and beer samples. Quantitation was achieved using standard addition with isotopically labeled standards. The carryover percentages into hopped wort and the percentages of decay reduction relative to the amount spiked on hops were calculated. The relationship between the partition coefficients n-octanol water (log P values) and the residual ratios (Rw and RB) of a pesticide were evaluated to predict their behavior during hopping of wort and fermentation. Pesticides with a high log P values (&gt;3.75) tended to remain in spent hops. The pesticides that have a low log P value up to approximately 3 could represent the demarcation lines of appreciable transfer rate of pesticides from hops to beer. Consequently, the pesticides were divided into three categories depending upon their fate during the brewing process. The most potential risk category represents a group involving the thermostable pesticides, such as azoxystrobin, boscalid, dimethomorph, flonicamid, imidacloprid, mandipropamid, myclobutanil, and thiamethoxam, which were transferred at high rates from the pesticide enriched hops into beer during the laboratory brewing trial. These results can be used as a guideline in the application of pesticides on hop plants that would reduce the level of pesticide residues in beer and their exposure in humans.

Název v anglickém jazyce

Tracking, Behavior and Fate of 58 Pesticides Originated from Hops during Beer Brewing

Popis výsledku anglicky

The study presents tracking of 58 pesticide residues associated with hops to estimate their carryover into brewed beer. The pesticides were spiked onto organic hops at a concentration of 15 mg/kg, and the wort was boiled with the artificially contaminated hops and fermented on a laboratory scale. Samples were collected during the whole brewing process and pesticide residues were extracted using a method known as QuEChERS (quick, easy, cheap, effective, rugged, and safe). An HPLC HRMS/MS method was developed and validated to identify and quantitate pesticide residues in treated hops, spent hops, hopped wort, green beer, and beer samples. Quantitation was achieved using standard addition with isotopically labeled standards. The carryover percentages into hopped wort and the percentages of decay reduction relative to the amount spiked on hops were calculated. The relationship between the partition coefficients n-octanol water (log P values) and the residual ratios (Rw and RB) of a pesticide were evaluated to predict their behavior during hopping of wort and fermentation. Pesticides with a high log P values (&gt;3.75) tended to remain in spent hops. The pesticides that have a low log P value up to approximately 3 could represent the demarcation lines of appreciable transfer rate of pesticides from hops to beer. Consequently, the pesticides were divided into three categories depending upon their fate during the brewing process. The most potential risk category represents a group involving the thermostable pesticides, such as azoxystrobin, boscalid, dimethomorph, flonicamid, imidacloprid, mandipropamid, myclobutanil, and thiamethoxam, which were transferred at high rates from the pesticide enriched hops into beer during the laboratory brewing trial. These results can be used as a guideline in the application of pesticides on hop plants that would reduce the level of pesticide residues in beer and their exposure in humans.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10406 - Analytical chemistry

Projekt

<a href="/cs/project/TE02000177" target="_blank" >TE02000177: Centrum pro inovativní využití a posílení konkurenceschopnosti českých pivovarských surovin a výrobků</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název periodika

Journal of Agricultural and Food Chemistry

ISSN

0021-8561

e-ISSN

—

Svazek periodika

66

Číslo periodika v rámci svazku

38

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

9

Strana od-do

10113-10121

Kód UT WoS článku

000446142800027

EID výsledku v databázi Scopus

2-s2.0-85053611043