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Valter Ruvieri

Researcher at Instituto Adolfo Lutz

Publications -  25
Citations -  401

Valter Ruvieri is an academic researcher from Instituto Adolfo Lutz. The author has contributed to research in topics: Ochratoxin A & Fatty acid. The author has an hindex of 9, co-authored 25 publications receiving 370 citations.

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Estimate of aflatoxin M1 exposure in milk and occurrence in Brazil

TL;DR: The presence of aflatoxin M 1 (AFM 1 ) was investigated in 125 samples of powdered milk, pasteurized milk and ultra high treated (UHT) milk in the city of Sao Paulo, and estimates of AFM 1 intake were assessed as mentioned in this paper.
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Aflatoxins and ochratoxin A in Brazilian paprika

TL;DR: Paprika samples collected in the city of Sao Paulo, Brazil, from January to April 2006 were analysed for aflatoxins and ochratoxin A (OTA) using an immunoaffinity column clean-up and HPLC-FLD.
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Determination of folic acid in fortified wheat flours

TL;DR: A reversed-phase high-performance liquid chromatography (HPLC) method with ultraviolet detection to determine folic acid (FA) in fortified wheat flour is described in this paper, which includes FA extraction with tetraborate and trichloroacetic acid buffer solution and purification by solid-phase extraction with strong anion exchange cartridges.
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Ochratoxin A in brazilian instant coffee

TL;DR: In this article, the authors used the EN 14133/2003 method, originally developed to quantify OTA in wine, grape juice and beer samples, was evaluated and approved for analyzing Ochratoxin A in instant coffee samples.
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Ochratoxin A in wines and grape juices commercialized in the city of São Paulo, Brazil

TL;DR: Although the results from the wine samples analysed for the presence of OTA were below to the limits established by EC 123/2005, low and continuous exposure to this mycotoxin could be a risk to human health.