UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production

Abstract The effects of ultraviolet-C light (UVC) on vitamin C and phenolic compounds in acerola during postharvest storage were investigated in order to elucidate the mechanism inducing the antioxidant systems. The fruits, stored at 10 °C for 7 days after a hormetic UVC irradiation (two pulses of 0...

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Autores principales:	Marcela Cristina Rabelo, Woo Young Bang, Vimal Nair, Ricardo Elesbao Alves, Daniel A. Jacobo-Velázquez, Shareena Sreedharan, Maria Raquel Alcântara de Miranda, Luis Cisneros-Zevallos
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ef896c40f9fc44989e2b555c9d07d4d8
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spelling	oai:doaj.org-article:ef896c40f9fc44989e2b555c9d07d4d82021-12-02T13:58:12ZUVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production10.1038/s41598-020-78948-12045-2322https://doaj.org/article/ef896c40f9fc44989e2b555c9d07d4d82020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78948-1https://doaj.org/toc/2045-2322Abstract The effects of ultraviolet-C light (UVC) on vitamin C and phenolic compounds in acerola during postharvest storage were investigated in order to elucidate the mechanism inducing the antioxidant systems. The fruits, stored at 10 °C for 7 days after a hormetic UVC irradiation (two pulses of 0.3 J/cm2), showed significantly less degradation of vitamin C and phenolic compounds than the control without the UVC challenge. UVC activated the L-galactono-1,4-lactone dehydrogenase (GalDH), a key enzyme for vitamin C biosynthesis, and altered the composition of phenolic compounds, through phenolic biosynthesis, in acerola during postharvest storage. UVC also induced reactive oxygen species (ROS) productions at immediate (day 0) and late (day 7) times during postharvest storage through the mitochondrial electron transport chain and NADPH oxidase, respectively. Results suggest that UVC helps in the retention of vitamin C and phenolic content in acerola by altering ascorbic acid and phenolic metabolism through an increase in mitochondrial activity and a ROS-mediated mechanism. Data showed the beneficial effects of UVC on maintenance of nutraceutical quality in acerola during postharvest storage and supplied new insights into understanding the mechanism by which UVC irradiation enhance the antioxidant system in fruits.Marcela Cristina RabeloWoo Young BangVimal NairRicardo Elesbao AlvesDaniel A. Jacobo-VelázquezShareena SreedharanMaria Raquel Alcântara de MirandaLuis Cisneros-ZevallosNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Marcela Cristina Rabelo Woo Young Bang Vimal Nair Ricardo Elesbao Alves Daniel A. Jacobo-Velázquez Shareena Sreedharan Maria Raquel Alcântara de Miranda Luis Cisneros-Zevallos UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
description	Abstract The effects of ultraviolet-C light (UVC) on vitamin C and phenolic compounds in acerola during postharvest storage were investigated in order to elucidate the mechanism inducing the antioxidant systems. The fruits, stored at 10 °C for 7 days after a hormetic UVC irradiation (two pulses of 0.3 J/cm2), showed significantly less degradation of vitamin C and phenolic compounds than the control without the UVC challenge. UVC activated the L-galactono-1,4-lactone dehydrogenase (GalDH), a key enzyme for vitamin C biosynthesis, and altered the composition of phenolic compounds, through phenolic biosynthesis, in acerola during postharvest storage. UVC also induced reactive oxygen species (ROS) productions at immediate (day 0) and late (day 7) times during postharvest storage through the mitochondrial electron transport chain and NADPH oxidase, respectively. Results suggest that UVC helps in the retention of vitamin C and phenolic content in acerola by altering ascorbic acid and phenolic metabolism through an increase in mitochondrial activity and a ROS-mediated mechanism. Data showed the beneficial effects of UVC on maintenance of nutraceutical quality in acerola during postharvest storage and supplied new insights into understanding the mechanism by which UVC irradiation enhance the antioxidant system in fruits.
format	article
author	Marcela Cristina Rabelo Woo Young Bang Vimal Nair Ricardo Elesbao Alves Daniel A. Jacobo-Velázquez Shareena Sreedharan Maria Raquel Alcântara de Miranda Luis Cisneros-Zevallos
author_facet	Marcela Cristina Rabelo Woo Young Bang Vimal Nair Ricardo Elesbao Alves Daniel A. Jacobo-Velázquez Shareena Sreedharan Maria Raquel Alcântara de Miranda Luis Cisneros-Zevallos
author_sort	Marcela Cristina Rabelo
title	UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
title_short	UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
title_full	UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
title_fullStr	UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
title_full_unstemmed	UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production
title_sort	uvc light modulates vitamin c and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ros production
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/ef896c40f9fc44989e2b555c9d07d4d8
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UVC light modulates vitamin C and phenolic biosynthesis in acerola fruit: role of increased mitochondria activity and ROS production

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