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Open AccessArticle

A Grape Juice Supplemented with Natural Grape Extracts Is Well Accepted by Consumers and Reduces Brain Oxidative Stress

1
Oncology Area, Center for Biomedical Research of La Rioja (CIBIR), Piqueras 98, 26006 Logroño, Spain
2
Food Technology and Innovation Center of La Rioja (CTIC-CITA), 26315 Alesón, Spain
*
Author to whom correspondence should be addressed.
These authors share first authorship.
Academic Editors: Andrii Domanskyi and Rosanna Parlato
Antioxidants 2021, 10(5), 677; https://doi.org/10.3390/antiox10050677
Received: 7 April 2021 / Revised: 16 April 2021 / Accepted: 24 April 2021 / Published: 26 April 2021
(This article belongs to the Special Issue Oxidative Stress in Neurodegenerative Disease)
Neurodegenerative diseases pose a major health problem for developed countries. Stress, which induces oxidation in the brain, has been identified as the main risk factor for these disorders. We have developed an antioxidant-enriched drink and have examined its protective properties against acute oxidative stress. We found that addition of red grape polyphenols and MecobalActive® to grape juice did not provoke changes in juice organoleptic characteristics, and that the pasteurization process did not greatly affect the levels of flavonoids and vitamin B12. Out of all combinations, grape juice with red grape polyphenols was selected by expert judges (28.6% selected it as their first choice). In vivo, oral administration of grape juice supplemented with red grape polyphenols exerted an antioxidant effect in the brain of stressed mice reducing two-fold the expression of genes involved in inflammation and oxidation mechanisms and increasing three-fold the expression of genes related to protection against oxidative stress. In addition, we found that this drink augmented antioxidant enzyme activity (17.8 vs. 8.2 nmol/mg), and prevented lipid peroxidation in the brain (49.7 vs. 96.5 nmol/mg). Therefore, we propose supporting the use of this drink by the general population as a new and global strategy for the prevention of neurodegeneration. View Full-Text
Keywords: acute oxidative stress; neurodegenerative diseases; red grape polyphenol extract; MecobalActive®; restraint stress acute oxidative stress; neurodegenerative diseases; red grape polyphenol extract; MecobalActive®; restraint stress
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MDPI and ACS Style

Bobadilla, M.; Hernández, C.; Ayala, M.; Alonso, I.; Iglesias, A.; García-Sanmartín, J.; Mirpuri, E.; Barriobero, J.I.; Martínez, A. A Grape Juice Supplemented with Natural Grape Extracts Is Well Accepted by Consumers and Reduces Brain Oxidative Stress. Antioxidants 2021, 10, 677. https://doi.org/10.3390/antiox10050677

AMA Style

Bobadilla M, Hernández C, Ayala M, Alonso I, Iglesias A, García-Sanmartín J, Mirpuri E, Barriobero JI, Martínez A. A Grape Juice Supplemented with Natural Grape Extracts Is Well Accepted by Consumers and Reduces Brain Oxidative Stress. Antioxidants. 2021; 10(5):677. https://doi.org/10.3390/antiox10050677

Chicago/Turabian Style

Bobadilla, Miriam; Hernández, Carlos; Ayala, María; Alonso, Ixone; Iglesias, Ana; García-Sanmartín, Josune; Mirpuri, Eduardo; Barriobero, José I.; Martínez, Alfredo. 2021. "A Grape Juice Supplemented with Natural Grape Extracts Is Well Accepted by Consumers and Reduces Brain Oxidative Stress" Antioxidants 10, no. 5: 677. https://doi.org/10.3390/antiox10050677

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