Occurrence of deoxynivalenol and zearalenone in brewing barley grains from Brazil

Piacentini, Karim C.; Rocha, Liliana O.; Savi, Geovana D.; Carnielli-Queiroz, Lorena; Almeida, Flávia Souza; Minella, Euclydes; Corrêa, Benedito

doi:10.1007/s12550-018-0311-8

Cited by 46 publications

(33 citation statements)

References 25 publications

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“…According to Edwards (2011) [49], more than 20% of wheat grain samples in the UK, due to delayed wet harvest, exceeded the European limit for unprocessed cereals of 100 µg/kg and, consequently, in high fiber cereal products. In contradiction to our research on wheat grain, Piacentini et al (2018) [50] detected much higher concentration of ZEN in brewing barley varieties that naturally occurred in the grains. These differences could be according to different Fusarium species occurring at different climatic areas or different weather conditions in the year when research was done.…”

Section: Discussioncontrasting

confidence: 99%

The Pressure of Fusarium Disease and Its Relation with Mycotoxins in The Wheat Grain and Malt

Španić

Drezner

Šarkanj

2019

Toxins

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Fusarium head blight (FHB) is one of the most destructive wheat fungal diseases, causing yield loss, quality reduction, and accumulation of mycotoxins. The aim of this research was to summarize the occurrence of major Fusarium mycotoxins: deoxynivalenol (DON), 3-acetyldeoxynivalenol (3-AcDON), nivalenol (NIV), and zearalenone (ZEN) in two consecutive years to search the relationship between disease incidence and severity with mycotoxins found in control and inoculated grains and corresponding malt. In addition, deoxynivalenol-3-glucoside (D3G) in one-year research was measured. Tested wheat varieties showed infection scores of 3% (‘U1’ and ‘Sirban Prolifik’) to 79% (‘Golubica’) for Type I resistance evaluation. There were few moderately resistant varieties in view of their areas under the disease progress curve, which can be considered Type III resistance (‘Sirban Prolifik’ and ‘U1’). According to the data quantified by LC–MS/MS, DON decreased in infected malt in comparison to corresponding grain, while ZEN occurred only in infected malt samples. Both 3-AcDON and NIV increased in inoculated malt in comparison to corresponding grain, due to a combination of plant metabolism and de novo synthesis by molds during malting. Based on the results, we can draw a few conclusions: the resistance to Fusarium decreased quantified concentrations of DON; ZEN gets synthetized during malting; unregulated 3-AcDON and NIV increase during malting; more resistant varieties have converted DON to D3G more successfully. Modified mycotoxins should be also included to legislation, since they could be transformed back to the corresponding mycotoxins under food processing conditions or during digestion.

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Section: Discussioncontrasting

confidence: 99%

The Pressure of Fusarium Disease and Its Relation with Mycotoxins in The Wheat Grain and Malt

Španić

Drezner

Šarkanj

2019

Toxins

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“…Mycotoxins are low molecular mass compounds; however, their chemical structures vary considerably. The dominant mycotoxins produced by F. culmorum and F. graminearum are zearalenone (ZEA) and deoxynivalenol (DON) and their derivatives; these mycotoxins are often identified in different cereals contributing to reduction in grain quality (Waśkiewicz et al 2008; Goliński et al 2010; Döll and Dänicke 2011; Zaied et al 2012; Covarelli et al 2015; Franco et al 2018; Piacentini et al 2018). …”

Section: Introductionmentioning

confidence: 99%

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

et al. 2019

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Essential oils (EOs) are products of plant origin and include mixtures of different chemical compounds. These volatile substances have many interesting properties, including antifungal properties. Fungi may develop under field conditions on crops such as wheat or corn and are able to synthesize mycotoxins, which adversely affect livestock and human health. In the present study, selected EOs were used to inhibit the growth of Fusarium graminearum and F. culmorum and reduce the concentrations of mycotoxins in wheat grain. The EOs significantly inhibited the growth of tested Fusarium species (90.99–99.99%), as determined based on ergosterol quantitative analysis. Only the addition of orange oil to F. culmorum exhibits a different inhibition capacity (68.13%). EO application resulted in a large reduction in zearalenone content (99.08–99.99%); only in the case of orange oil application was the reduction estimated at approximately 68.33%. However, all EOs provided a significant reduction in the concentration levels of group B trichothecenes (94.51–100%). It can be concluded that EOs inhibit the growth of fungi of the genus Fusarium and reduce concentration levels of the mycotoxins zearalenone and group B trichothecenes.

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“…Tropical conditions, such as those found in Brazil contribute to fungi dissemination and consequently mycotoxin production in barley. For example, 2015 demonstrated a high rainfall average and high levels of humidity, which prompted worse contamination levels found until now [11]. It is necessary to mention that only two Fusarium mycotoxins were analyzed.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Toxigenic Fusarium Species and Their Mycotoxins in Brewing Barley Grains

Piacentini

Rocha

Savi³

et al. 2019

Toxins

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Fusarium species threaten yield and quality of cereals worldwide due to their ability to produce mycotoxins and cause plant diseases. Trichothecenes and zearalenone are the most economically significant mycotoxins and are of particular concern in barley, maize and wheat. For this reason, the aim of this study was to characterize the Fusarium isolates from brewing barley and to assess deoxynivalenol and zearalenone contamination in grains. Characterization of the Fusarium strains was carried out by the phylogeny based on two loci (EF-1α and RPB2). Mycotoxin detection and quantification were performed by LC-MS. The results show that Fusarium was the predominant genus. Phylogenetic study demonstrated that the majority of the strains clustered within the Fusarium sambucinum species complex followed by the Fusarium tricinctum species complex. The results revealed high incidence of deoxynivalenol (DON) and zearalenone (ZEA) contamination (90.6% and 87.5%, respectively). It was observed that 86% of the samples contaminated with ZEA were above the limits set by the EU and Brazilian regulations. These results may highlight the importance of controlling Fusarium toxins in barley, mainly because of its use in the brewing industry and the resistance of various mycotoxins to food processing treatments.

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Occurrence of deoxynivalenol and zearalenone in brewing barley grains from Brazil

Cited by 46 publications

References 25 publications

The Pressure of Fusarium Disease and Its Relation with Mycotoxins in The Wheat Grain and Malt

The Pressure of Fusarium Disease and Its Relation with Mycotoxins in The Wheat Grain and Malt

Antifungal activity of selected essential oils against Fusarium culmorum and F. graminearum and their secondary metabolites in wheat seeds

Assessment of Toxigenic Fusarium Species and Their Mycotoxins in Brewing Barley Grains

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