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Type of publication: conference paper
Type of publication (PDB): Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Lasinskas, Marius;Jarienė, Elvyra;Vaitkevičienė, Nijolė;Kulaitienė, Jurgita;Najman, Katarzyna;Hallmann, Ewelina
Title: Studies of the variability of polyphenols and carotenoids in different methods fermented organic leaves of willowherb (Chamerion angustifolium (L.) holub)
Is part of: AgroEco 2020 : 3rd International scientific virtual conference : Agroecosystem sustainability : links between carbon sequestration in soils, food security and climate change, Vytautas Magnus University Agriculture Academy, Lithuania, 2–3 December, 2020 : programme and abstracts. [Akademija] : Vytautas Magnus University.Agriculture Academy, 2020
Extent: p. 21
Date: 2020
Keywords: Organic willowherb;Solid-phase fermentation;Polyphenols;Carotenoids;Antioxidant activity
ISBN: 9786094674662
Abstract: The demand for organic production is increasing worldwide. The willowherb, grown in an organic way, contributes greatly to the idea of a healthier society and clean land. Willowherb is widespread in the world and has high polyphenols, carotenoids, and antioxidant properties. The purpose of this work was to investigate the influence of solid-phase fermentation (SPF) under different conditions on the variation of polyphenols and carotenoids in the organic leaves of willowherb. The leaves were fermented for different periods of time: 24, 48, and 72 h; and in aerobic and anaerobic conditions. The evaluation of polyphenols and carotenoids was completed using high-performance liquid chromatography (HPLC), and antioxidant activity was measured by spectrophotometric method. Hierarchical cluster analysis was used to describe differences in biologically active compounds between willowherb samples. The experiment showed that the highest quantities of total phenolic acids and flavonoids were determined after 24 h under aerobic SPF, but the numberof total carotenoids was higher after 72 h anaerobic SPF, compared to control. Not-fermented willowherb leaves had a lower antioxidant activity compared to fermented leaves. In conclusion, SPF can be used to change polyphenol and carotenoid quantities in organic leaves of willowherb
Affiliation(s): Agronomijos fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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