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Identification of the Main Degradation Products of Patulin Generated Through Heat Detoxication Treatments
Author(s) -
Collin Sonia,
Bodart Etienne,
Badot Camille,
Bouseta Amina,
Nizet Sabrina
Publication year - 2008
Publication title -
journal of the institute of brewing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.523
H-Index - 51
eISSN - 2050-0416
pISSN - 0046-9750
DOI - 10.1002/j.2050-0416.2008.tb00322.x
Subject(s) - patulin , detoxication , chemistry , hydrolysis , sulfite , hemiacetal , degradation (telecommunications) , chromatography , hydrolytic degradation , organic chemistry , food science , mycotoxin , enzyme , telecommunications , computer science
The chemical stability of patulin (PAT) was studied in model aqueous media at different temperatures and pH values in the presence and absence of sulfites. At pH 6, 50% was degraded within one hour at 100°C. At lower pH the detoxication efficiency was strongly reduced. The compound 3‐keto‐5‐hydroxy‐pentanal was shown to be the main degradation product of patulin. As the hemiacetal function has to be transformed into an aldehyde before retroaldolization and lactone hydrolysis, sulfites, as expected, improved detoxication, especially at high pH. At pH 7 in the presence of 50 ppm sulfite, PAT was completely degraded within 3 h at 25°C.