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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.03.026
|2 doi
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|a pubmed24n1078.xml
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|a (DE-627)NLM323677029
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|a (NLM)33812227
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|a (PII)S0981-9428(21)00150-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ghosh, Arijit
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Chitosan and putrescine modulate reactive oxygen species metabolism and physiological responses during chili fruit ripening
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.05.2021
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|a Date Revised 12.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a We investigated the combined effect of chitosan (CHT) and putrescine (PUT) on the postharvest shelf life of Capsicum fruit concerning the metabolism of reactive oxygen species (ROS) through direct and indirect effects on ripening characters cell wall hydrolyzing enzyme and ROS metabolism. The PUT and CHT directly affected quality indices like color, firmness and water loss with a concomitant oxidative bust in the development of O2•- and H2O2 in fruit pulp. This was accompanied by significant suppression of respiratory flux, a decrease of total soluble solids and ascorbic acid content throughout postharvest storage. PUT applied with CHT modified the oxidative metabolism of fruits by a significant reduction in the level of O2•- and H2O2 content. In addition, a significant accumulation of total polyamine under respective treatment was reasonably correlated with both ROS producing enzyme as well as H2O2 and O2•-. Wall hydrolyzing enzymes like pectin methyl esterase and cellulase had marked downregulation both under PUT and CHT + PUT treatment. Moreover, on close observation, the combinational effects of PUT and CHT had better effects in the regulation of those enzymes as compared to individual treatment. Fruits restore higher antioxidative capacities as evident with superoxide dismutase (SOD), guaiacol peroxidases (GPX), ascorbate peroxidase (APX) catalase (CAT), glutathione peroxidase (GPX), NADPH oxidase (NOX) and glutathione reductase (GR), indicating their roles on fruit coat softening. Finally, the treatment of PUT and CHT in combination increased shelf life vis-à-vis the quality of fruit
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|a Journal Article
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|a Antioxidant defense
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|a Biostimulants
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|a Capsicum
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|a Cell wall hydrolyzing enzymes
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|a Polyamines
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|a Postharvest quality
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|a Antioxidants
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a Chitosan
|2 NLM
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|a 9012-76-4
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Ascorbate Peroxidases
|2 NLM
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| 650 |
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|a EC 1.11.1.11
|2 NLM
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|a Catalase
|2 NLM
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| 650 |
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|a EC 1.11.1.6
|2 NLM
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|a Superoxide Dismutase
|2 NLM
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| 650 |
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|a EC 1.15.1.1
|2 NLM
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| 650 |
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|a Putrescine
|2 NLM
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| 650 |
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|a V10TVZ52E4
|2 NLM
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| 700 |
1 |
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|a Saha, Indraneel
|e verfasserin
|4 aut
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|a Debnath, Subhas Chandra
|e verfasserin
|4 aut
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| 700 |
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|a Hasanuzzaman, Mirza
|e verfasserin
|4 aut
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| 700 |
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|a Adak, Malay Kumar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 163(2021) vom: 31. Juni, Seite 55-67
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:163
|g year:2021
|g day:31
|g month:06
|g pages:55-67
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|u http://dx.doi.org/10.1016/j.plaphy.2021.03.026
|3 Volltext
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|d 163
|j 2021
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|h 55-67
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