AUTHOR(S) / AUTOR(I): Marija Banožić, Adrijana Filipović, Josipa Krezić, Krunoslav Aladić, Stela Jokić
DOI: 10.46793/SBT30.64MB
ABSTRACT / SAŽETAK:
This study aimed to evaluate the potential of non-conventional techniques in extracting phenolic compounds from tobacco agro-industrial waste. Two fractions of tobacco waste obtained from Virovitički Duhani dd (solid waste and dust) were subjected to ultrasound and subcritical water in a wide temperature range, treatment times and various liquid-solid ratios to determine the changes in the content of phenolic compounds and antiradical activity. Analysis of extracts was performed using high-performance liquid chromatography and spectrophotometric methods. Results showed that UAE is preferable in phenolic compound separation. In contrast, phenolic compounds (chlorogenic acid and rutin) were degraded during SWE, which may have increased the amount of undesirable breakdown products or beneficial simple phenolic compounds.
KEYWORDS / KLJUČNE REČI:
tobacco waste, phenolic compounds, ultrasound, subcritical water
ACKNOWLEDGEMENT / PROJEKAT:
The research presented in this article is part of COST Action CA22134 – Sustainable Network for agrofood loss and waste prevention, management, quantification and valorisation (FoodWaStop).
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