In Vitro Mycotoxin Decontamination by Saccharomyces cerevisiae Strains Isolated from Bovine Forage

Moebus, Victor Farias; Pinto, Leonardo de Assunção; Köptcke, Felipe Braz Nielsen; Keller, Kelly Moura; Aronovich, Marcos; Keller, Luiz Antonio Moura

doi:10.3390/fermentation9070585

Cited by 6 publications

(4 citation statements)

References 44 publications

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“…The screening for specific genes responsible for staphylococcal enterotoxin was performed in the way Pyzik et al [25] described. Aflatoxin M1 detection and quantification were performed in raw materials as described by Moebus et al [26].…”

Section: Evaluation Of the Identity Standards Physicochemical And Tox...mentioning

confidence: 99%

Enhancement of Dairy Cow Milk Quality with Probiotic and Inorganic Selenium Supplementation

Mozart,

Köptcke,

Pinto

et al. 2024

Dairy

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Selenium (Se) is an essential micronutrient crucial in various metabolic processes. Dairy production is continually expanding and can supplement the population of regions with low Se. Adding live yeast concentrate (LYC) to cows’ diets can influence milk production, composition, and quality by modulating ruminal microbiota, resulting in increased milk yield and improved nutritional content. This study aimed to assess the enrichment of milk with selenite LYC for a subsequent increase in quality and production in supplemented lactating cows. Twenty-six cows were separated into three groups supplemented with different concentrations of Se for 15 days and different concentrations of LYC (Saccharomyces cerevisiae at 108 CFU g−1). The animals were divided into the following groups with the proposed treatments: Treatment 1 (T1) Control Group with just dry matter intake (DMI); Treatment 2 (T2) DMI + 0.3 mg kg−1 DMI of inorganic selenium + live yeast concentrate (LYC); Treatment 3 (T3) DMI + 0.6 mg kg−1 DMI of inorganic selenium + LYC. The milk was evaluated using physical–chemical, microbiologic, and toxicologic parameters according to Brazilian legislation. The addition of Se and yeast did not alter milk production; however, the application did lead to an increase in milk fat concentration compared with the control group, and no significant variations were observed in other physical–chemical parameters. Regarding the microbiological and toxicological analyses, all the samples presented satisfactory hygienic and sanitary conditions. The Somatic Cells Count from all treatments remained below 500,000 somatic cells mL−1, representing a positive effect of Se. The milk Se content was expected in residual form with the organic selenium being the more bioavailable form throughout the processing chain. The supplementation yielded results similar to those in the literature, highlighting the potential for customized technology and processes in dairy farming in ways that improve production, quality, and sanitation.

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Section: Evaluation Of the Identity Standards Physicochemical And Tox...mentioning

confidence: 99%

Enhancement of Dairy Cow Milk Quality with Probiotic and Inorganic Selenium Supplementation

Mozart,

Köptcke,

Pinto

et al. 2024

Dairy

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“…The screening for specific genes responsible for staphylococcal enterotoxin was performed as described by Pyzik et al [14]. Aflatoxin M1 (AFM1) detection and quantification were performed in raw materials following the description by Moebus et al [15].…”

Section: Microbiological and Toxicological Characterizationmentioning

confidence: 99%

Elaboration and Characterization of Dulce de Leche with Reduced Sugar Content

Moebus,

Pinto,

Köptcke

et al. 2023

Dairy

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Dulce de leche is a South American traditional dairy product. However, due to the high sugar content, it is unsafe for consumers with special physiological conditions, such as diabetes. Light foods were developed to meet those demands whilst maintaining the sensory characteristics. The present study aimed to develop and characterize a formulation of light dulce de leche, using sweeteners to substitute sucrose, and gums as thickening and stabilizing agents. The physicochemical assays follow the AOAC manual, and the microbiological parameters were set according to MERCOSUL’s legislation. Thirty potential consumers perform the nine-point hedonic scale for product acceptance and the seven-point scale for buying intention. Compared to the traditional formulation, the product had better rheological properties, but a lighter color. All the raw materials and final products were considered safe by the recommended microbiological and toxicological standards; however, the product showed discrepancies to the physicochemical requirements. The formulation had an overall medium acceptance and low buying intention. The product had deficiencies, needing other compounds to reach the desired characteristics. Even though it leads to a more expensive final product, it is possible to adjust the product and allow access to more selective consumers or with restrictions.

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“…Moebus et al [6] explored the decontamination of some of the most common mycotoxins-produced by the secondary metabolism of fungi-in agricultural products (Aflatoxin B1 (AFB1) and Zearalenone (ZEN)) using S. cerevisiae strains isolated from bovine forage, with adsorption and biotransformation capacities. It is crucial to mention that AFB1, comprising a liver carcinogen and ZEN, can cause reproductive dysfunctions.…”

mentioning

confidence: 99%

“…Thus, the detoxification of mycotoxin is a recurring foodstuff challenge due to its high occurrence during the harvest, storage, processing, or feeding stages. Mycotoxins can be toxic to both humans and animals through inhalation, contact, and ingestion [6]. Such a challenge may find solutions in the biodetoxification provided by other bioactive compounds found in fermented foods and fermented food by-products, as reviewed in this Edition by Deveci et al [7] and Faria et al [5], respectively.…”

mentioning

confidence: 99%