Dr. Carlos Augusto Fernandes de Oliveira

Mycotoxins are toxic metabolites produced by several fungi species, with the aflatoxins, fumonisins, zearalenone, trichothecenes and ochratoxin A being the most important found in feedstuffs. The economic impact caused by mycotoxins motivated the investigation of detoxification strategies to reduce its bioavailability by enterosorption. Although there are several types of adsorbents, the efficiency of the adsorption depends on the physical and chemical characteristics of both the adsorbent and the mycotoxin. This review describes the most important types of mineral adsorbents [aluminosilicates, HSCAS, bentonites (montmorillonites), zeolites, sepiolite, diatomite and activated carbons] used in feeds, especially for poultry and pigs, and their adsorption mechanisms.

1 December 2019 in Food Science and Technology

Journal Article

Application of silver nanoparticles in food packages: a review

Emelda Orlando Simbine

Larissa da Cunha Rodrigues

Judite Lapa-Guimarães

Eliana Setsuko Kamimura

Carlos Humberto Corassin

Carlos Augusto Fernandes de Oliveira

Silver nanoparticles (AgNPs) are antimicrobial agents that have a wide spectrum of action, including against pathogenic bacteria and spoilage fungi. However, their mechanism of action is not completely clarified. Nowadays, scientific interest on biological synthesis of AgNPs is growing, with emphasis in their extracellular biosynthesis by microbial cells, as it is the most reliable and ecologically correct method for production, yielding no toxic residues. AgNPs may be incorporated to biodegradable and non-biodegradable polymers for the production of food packages with antimicrobial properties, leading to greater safety and longer shelf life. However, it is important to carry out migration tests for new food packages incorporated with AgNPs, based on the effective levels for their inclusion in the packaging materials.

1 February 2021 in Food and Chemical Toxicology

Journal Article

Application of new technologies in decontamination of mycotoxins in cereal grains: Challenges, and perspectives

Shabir Ahmad Mir

B. N. Dar

Manzoor Ahmad Shah

Sajad Ahmad Sofi

Afshan Mumtaz Hamdani

Anderson S. Sant'ANa

About Me

Prof. Carlos Augusto Fernandes de Oliveira graduated in Veterinary Medicine in 1983 and received his Master's (1991) and PhD (1994) in Public Health at the University of São Paulo (USP). Since 2009, he has been a Full Professor at the Department of Food Engineering, School of Animal Science and Food Engineering of USP. He was the Head of the Department of Food Engineering (2007–2011), and currently he is the head of the research working group registered at the National Council for Research Development (CNPq/Brazil) in the area of Milk Quality and Mycotoxins in Food Products and the Vice-Dean of FZEA-USP for the term. He is Co-Editor-in-Chief of the journal Food Science & Technology, also participating as Editorial Board member of several international journals. He has experience in food science and technology, toxicity and residues of mycotoxins in food products, food microbiology, inspection of animal-derived food products, chromatographic analysis and dairy technology, acting mainly on the following subjects: aflatoxins, fumonisins, residues, biomarkers, decontamination, lactic acid bacteria, pathogenic bacteria, microbial biofilms, milk, and quality.

Dr. Carlos Augusto Fernandes de Oliveira

Dr. Carlos Augusto Fernandes de Oliveira

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