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11. Extraction of Energetic $N_2$ Neutrals for Efficient Plasma Food Processing

Author

Perumal, M., Saravanan, A., Alex, Prince, Sunooj, K. V., Mani, Maheswaran, Krishnan, G. Gopi, Shukla, Lata, Bharathi, P., and Sinha, Suraj Kumar

Subjects
Physics - Plasma Physics
Abstract

Low-temperature plasma (LTP) processing is a green and flexible food processing technology with only known limitation of low energy efficiency. Three established fundamental mechanisms of plasma food processing includes: i) physical damage to membranes and internal cellular components due to bombardment of energetic ions: ii) radicals and charged species led chemical reactions: iii) and radiation-induced modifications. In this investigation, we present a new mechanism of generation and extraction of energetic $N_2$ neutrals from glow discharge plasmas for efficient food processing. For nitrogen dc glow discharge plasma we demonstrate by experiment selective generation and extraction of energetic $N_2$ neutrals and $N_2^+$ ions for treatment of different food samples. Using numerical simulations, the plasma processing parameters are defined for selective extraction of $N_2$ or $N_2^+$ species with specific energies. Treatment of native finger millet flour or ragi flour (Eleusine coracana) with selectively extracted energetic $N_2$ neutrals, with an estimated average energy of 34.20 eV, resulted in improvement of shelf-life and functional properties. Additionally, this processing technique achieved high energy efficiency of ~ 46%. This method of food engineering has advantages of control over active species generation, high power efficiency, reduced processing cost, and chemical-free. Therefore, it opens up wide possibilities in plasma food processing for global food security and food safety., Comment: 9 pages, 3 figures

Published
2021

13. Thermoregulation in Birds

Author

Krishnan, G., Devaraj, C., Silpa, M. V., Sejian, V., Das, Pradip Kumar, editor, Sejian, Veerasamy, editor, Mukherjee, Joydip, editor, and Banerjee, Dipak, editor

Published
2023
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14. Underwater Image Denoising and 3D Modelling of Poompuhar Site

Author

Sridevi, B., Mukesh, A., Rakesh, N., Hari Krishnan, G., Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Garg, Deepak, editor, Narayana, V. A., editor, Suganthan, P. N., editor, Anguera, Jaume, editor, Koppula, Vijaya Kumar, editor, and Gupta, Suneet Kumar, editor

Published
2023
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15. Machinability and Surface Integrity Characteristics in Hard Turning of High Hardened Steels Using Different Types of Inserts

Author

Muthu Krishnan, G., Pradeep Kumar, J., Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Natarajan, Elango, editor, Vinodh, S., editor, and Rajkumar, V., editor

Published
2023
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22. Studies on Winding Number in Abstract Cellular Complex

Author

Syama, R., Krishnan, G. Sai Sundara, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Raman, Indhumathi, editor, Ganesan, Poonthalir, editor, Sureshkumar, Venkatasamy, editor, and Ranganathan, Latha, editor

Published
2022
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23. Driver Behaviour as an Influential Factor for Enhanced Long Distance Bus Travel Experience as Applied to Elders Doing Pilgrimages—A Survey Based Study

Author

Chinmaya Krishnan, G., Chakrabarti, Debkumar, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Chakrabarti, Debkumar, editor, Karmakar, Sougata, editor, and Salve, Urmi R., editor

Published
2022
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44. Investigation on Mechanical Properties of Chemically Treated Banana and Areca Fiber Reinforced Polypropylene Composites

Author

Sai Krishnan, G., Shanmugasundar, Pradhan, Raghuram, Loganathan, Ganesh Babu, Ghosh, Arindam, Series Editor, Chua, Daniel, Series Editor, de Souza, Flavio Leandro, Series Editor, Aktas, Oral Cenk, Series Editor, Han, Yafang, Series Editor, Gong, Jianghong, Series Editor, Jawaid, Mohammad, Series Editor, Praveen Kumar, A., editor, Dirgantara, Tatacipta, editor, and Krishna, P. Vamsi, editor

Published
2020
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46. Simulation of Signal Generation and Measuring Circuit and Real Time IoT Based Electrical Bio Impedance Cardiac Monitoring System

Author

Santhosh, Sheeba, Vimala Juliet, A., Hari Krishnan, G., Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Pandian, A. Pasumpon, editor, Ntalianis, Klimis, editor, and Palanisamy, Ram, editor

Published
2020
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