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Plasma Medicine
SJR: 0.271 SNIP: 0.316 CiteScore™: 1.9

ISSN Imprimir: 1947-5764
ISSN On-line: 1947-5772

Plasma Medicine

DOI: 10.1615/PlasmaMed.2016018649
pages 209-218

Effect of Gliding Arc Plasma on Plant Nutrient Content and Enzyme Activity

Mohamed El Shaer
Plasma & Energy Applications Research Laboratory, Zagazig, Department of Engineering Physics and Mathematics, Faculty of Engineering, Zagazig University, Zagazig, Egypt
M. Mobasher
Plasma & Energy Applications Research Laboratory, Zagazig, Department of Engineering Physics and Mathematics, Faculty of Engineering, Zagazig University, Zagazig, Egypt
A. Abdelghany
PEARLZ (Plasma & Energy Applications Research Laboratory), Faculty of Engineering, Zagazig University, Zagazig, Egypt

RESUMO

In treating agro products by gliding arc plasma (GAP), most efforts are usually directed toward elimination of common pathogens. In this work we consider mainly the effect of GAP on valorization of nutritional values as enzymes and nutrients in fresh fruits. We analyze the effect of plasma on polyphenol oxidase (PPO) enzyme contained in plant cells of Golden Delicious apples. PPO enzyme is considered to be the main cause of apple browning. PPO enzyme content in treated apple slices and its residual activity are found to decrease with plasma treatment time as compared to control untreated samples. We consider also the effect of GAP treatment on nutrients as total polysaccharide content in apple and sugarcane specimens. Gradual increase of total polysaccharides with plasma treatment in those fruits could be related to effects of plasma active species on cell wall disintegration.


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