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Effect of ascorbic acid, oxygen and storage duration on patulin in cloudy apple juice produced on a semi-industrial scale

Abstract : Patulin (PAT), a mycotoxin mainly produced by Penicillium expansum, is of high concern with regard to human food safety. This study examined the stability of PAT in artificially contaminated cloudy apple juice (CAJ) produced on a semi-industrial scale using an innovative technology allowing degassing and pressing under low-oxygen conditions (VaculIQ 1000). The effects of adding ascorbic acid (AA), degassing during production and storing in the dark at 20 degrees C on the PAT concentration were studied, as well as possible degradation and reaction products formed. The highest PAT degradation (50%) was observed for flash-pasteurised juice with AA added, produced under low-oxygen conditions and degassed and stored for 14 days at 20 degrees C in the dark in aluminium laminate aseptic bags. Juices produced showed no significant differences in the quality parameters measured and did not show significant formation of reaction products. Further research needs to be focused on the fate of PAT in CAJ produced on an industrial level with and without addition of AA.
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https://hal.inrae.fr/hal-03086440
Contributor : Hélène Lesur <>
Submitted on : Tuesday, December 22, 2020 - 4:32:44 PM
Last modification on : Friday, June 4, 2021 - 2:40:24 PM

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C. El Hajj Assaf, N. de Clercq, E. de Paepe, G. Vlaemynck, E. van Coillie, et al.. Effect of ascorbic acid, oxygen and storage duration on patulin in cloudy apple juice produced on a semi-industrial scale. World Mycotoxin Journal, 2020, 13 (4), pp.487-497. ⟨10.3920/WMJ2019.2528⟩. ⟨hal-03086440⟩

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