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Article

High Voltage Electric Discharge for Recovery of Chlorogenic Acid from Tobacco Waste

1
Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31000 Osijek, Croatia
2
Department of Agriculture, Polytechnic in Požega, Vukovarska 17, 34000 Požega, Croatia
*
Author to whom correspondence should be addressed.
Academic Editor: Chunjiang An
Sustainability 2021, 13(8), 4481; https://doi.org/10.3390/su13084481
Received: 4 March 2021 / Revised: 13 April 2021 / Accepted: 14 April 2021 / Published: 16 April 2021
Three fractions of tobacco waste (scrap, dust and midrib) were subjected to a high voltage electric discharge (HVED) assisted extraction procedure under different experimental conditions: solvent:solid ratio (300, 500, 700 mL/g), frequency (40, 70, 100 Hz) and treatment time (15, 30, 45 min), in order to study the influence of these conditions on the content of chlorogenic acid. The content of chlorogenic acid ranged from 1.54 to 3.66 mg/100 g for scrap, from 1.90 to 2.97 mg/100 g for dust, and from 2.30 to 3.38 mg/100 g for midrib extract, showing a strong dependence on the applied process parameters. The temperature change and the change in pH and electrical conductivity of the extracts after high voltage discharge treatment were also observed. The studied process parameters showed a statistically significant effect on the chemical and physical properties of the extracts from tobacco waste as well as on the content of chlorogenic acid, indicating the potential of HVED assisted processes in the separation of chlorogenic acid from tobacco industry waste. Multiple regression analysis was used to fit the results for the chlorogenic acid to a second order polynomial equation and the optimum conditions were determined. View Full-Text
Keywords: tobacco waste; high voltage electric discharge; extraction; chlorogenic acid tobacco waste; high voltage electric discharge; extraction; chlorogenic acid
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MDPI and ACS Style

Banožić, M.; Jozinović, A.; Grgić, J.; Miličević, B.; Jokić, S. High Voltage Electric Discharge for Recovery of Chlorogenic Acid from Tobacco Waste. Sustainability 2021, 13, 4481. https://doi.org/10.3390/su13084481

AMA Style

Banožić M, Jozinović A, Grgić J, Miličević B, Jokić S. High Voltage Electric Discharge for Recovery of Chlorogenic Acid from Tobacco Waste. Sustainability. 2021; 13(8):4481. https://doi.org/10.3390/su13084481

Chicago/Turabian Style

Banožić, Marija, Antun Jozinović, Jovana Grgić, Borislav Miličević, and Stela Jokić. 2021. "High Voltage Electric Discharge for Recovery of Chlorogenic Acid from Tobacco Waste" Sustainability 13, no. 8: 4481. https://doi.org/10.3390/su13084481

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