Deoxynivalenol and zearalenone in Brazilian barley destined for brewing.

IF 2.5 3区农林科学 Q2 CHEMISTRY, APPLIED

Food additives & contaminants. Part B, Surveillance Pub Date : 2023-06-01 DOI:10.1080/19393210.2022.2151046

Caio H T Iwase, Karim C Piacentini, Nathália C C Silva, Ana Paula Rebellato, Liliana O Rocha

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引用次数: 1

Abstract

Barley is an important cereal worldwide. However, fungal contamination during pre and postharvest is a recurrent problem for barley production, causing a direct impact on the quality of the grains and their by-products due to spoilage and mycotoxin accumulation. The Fusarium graminearum species complex is the main contaminant during preharvest and some species can produce deoxynivalenol and zearalenone, important mycotoxins that represent a risk to human and animal health. This study evaluated the fungal diversity and the levels of DON and ZEN in barley grains produced in Brazil. The results showed high frequency (60%) of Fusariumcontamination in barley grains. Additionally, mycotoxin levels ranged from 46 to 2074 µg/kg for DON and from 74 to 556 µg/kg for ZEN. Co-occurrence of DON and ZEN was observed in 40% of the samples and 30% of barley samples had DON and ZEN levels higher than the maximum levels established by Brazilian and European legislations. .

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用于酿造的巴西大麦中的脱氧雪腐菌烯醇和玉米赤霉烯酮。

大麦是世界上重要的谷物。然而，采前和采后的真菌污染是大麦生产中经常出现的问题，由于腐败和霉菌毒素积累，对谷物及其副产品的质量造成直接影响。稻谷镰刀菌菌种复合体是收获前的主要污染物，一些菌种可产生脱氧雪腐镰刀菌醇和玉米赤霉烯酮，这是对人类和动物健康构成风险的重要真菌毒素。本研究对巴西大麦籽粒真菌多样性及DON和ZEN水平进行了评价。结果表明，镰刀菌在大麦籽粒中的污染频率较高(60%)。此外，DON的霉菌毒素水平在46 - 2074µg/kg之间，ZEN的霉菌毒素水平在74 - 556µg/kg之间。在40%的样品中观察到DON和ZEN同时出现，30%的大麦样品的DON和ZEN水平高于巴西和欧洲立法规定的最高水平。。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food additives & contaminants. Part B, Surveillance 农林科学-毒理学

CiteScore

5.30

自引率

10.30%

发文量

审稿时长

2.7 months

期刊介绍： Food Additives & Contaminants: Part B publishes surveillance data indicating the presence and levels of occurrence of designated food additives, residues and contaminants in foods, food supplements and animal feed. Data using validated methods must meet stipulated quality standards to be acceptable and must be presented in a prescribed format for subsequent data-handling. Food Additives & Contaminants: Part B restricts its scope to include certain classes of food additives, residues and contaminants. This is based on a goal of covering those areas where there is a need to record surveillance data for the purposes of exposure and risk assessment. The scope is initially restricted to: Additives - food colours, artificial sweeteners, and preservatives; Residues – veterinary drug and pesticide residues; Contaminants – metals, mycotoxins, phycotoxins, plant toxins, nitrate/nitrite, PCDDs/PCFDs, PCBs, PAHs, acrylamide, 3-MPCD and contaminants derived from food packaging. Readership: The readership includes scientists involved in all aspects of food safety and quality and particularly those involved in monitoring human exposure to chemicals from the diet. Papers reporting surveillance data in areas other than the above should be submitted to Part A . The scope of Part B will be expanded from time-to-time to ensure inclusion of new areas of concern.