Ability to scavenge free radicals by apple pulp reversed the stress profile induced by vanadium in Saccharomyces cerevisiae

J. Agostinho; R. Ferreira; I. Alves-Pereira

Ability to scavenge free radicals by apple pulp reversed the stress profile induced by vanadium in Saccharomyces cerevisiae

In: Industrial, medical and environmental applications of microorganisms

Authors:

J. Agostinho

J. Agostinho ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho, 59, 7001-554 Évora, Portugal; iap@uevora.pt

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R. Ferreira

R. Ferreira ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho, 59, 7001-554 Évora, Portugal; iap@uevora.pt
²Institute of Mediterranean Agrarian Environmental Sciences (ICAAM), University of Évora, Núcleo da Mitra, 7002-774 Évora, Portugal

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, and

I. Alves-Pereira

I. Alves-Pereira ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho, 59, 7001-554 Évora, Portugal; iap@uevora.pt
²Institute of Mediterranean Agrarian Environmental Sciences (ICAAM), University of Évora, Núcleo da Mitra, 7002-774 Évora, Portugal

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Type:: Chapter

Pages:: 249–254

DOI:: https://doi.org/10.3920/9789086867950_043

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Functional value and the antioxidant properties of food are considered nowadays a very important feature for human consumption. In the literature apple (Malus domestica Borkh.) is considered to have prophylactic and therapeutic properties in several human pathologies in part due to its content in phenols. So, the aim of this work was to determine how aqueous extract of apple pulp, collected at different times of the harvest period, affect the antioxidant response of Saccharomyces cerevisiae BY4741 exposed to vanadium pentoxide (2 mM). The results reveal a stabilization of the redox status by glutathione that seems strongly consolidated by the presence of the fruity extract and deficit in glutathione peroxidase and catalase T activities induced by the presence of vanadium in culture medium contributed to the increase of ROS and loss of cell viability. However, the presence of apple extract rich in polyphenols and with great antioxidant reversed the response profile of S. cerevisiae to vanadium pentoxide.

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Industrial, medical and environmental applications of microorganisms

Current status and trends

E-Book ISBN:: 9789086867950

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2014

Subjects
- Life Sciences

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Ability to scavenge free radicals by apple pulp reversed the stress profile induced by vanadium in Saccharomyces cerevisiae

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Industrial, medical and environmental applications of microorganisms

Current status and trends

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