Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/91912
Type of publication: Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Velička, Aloyzas
Contributor(s): Tarasevičienė, Živilė
Title: Džiovinimo būdų įtaka mėtų (Mentha) genties augalų spalvos ir fotosintetinių pigmentų kiekio pokyčiams
Other Title: Effect of drying methods on colour and photosintetic pigments changes in plants from mint (Mentha) genus
Is part of: Jaunasis mokslininkas 2015 [elektroninis išteklius] : studentų mokslinės konferencijos pranešimų rinkinys, 2015 m. balandžio 23 d. / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija, 2015
Extent: p. 89-92
Date: 2015
ISBN: 9986948681
Abstract: Research was carried out in 2014–2015 at Aleksandras Stulginskis university, Open Access Joint Research Centre of Agriculture and Forestry, in the Laboratory of Raw Plant materials Quality. The aim of the research was to determine colour and photosintetic pigments changes in Mentha arvensis „Banana“, Mentha spicata var. crispa „Moroccan“, Mentha x spicata var. Swiss, Mentha suaveolens, Mentha x piperita var. citrata „Chocolate“. Mints were lyophylized for two days by SCANVAC Coolsafe 55-9 lyophilizator and dried by the hot air stream in 28 °C temperature. Quality parameters were detected in fresh, lyophilizated and dried mints. Colour changes (values L*, a*, b*) were measured by spectrophotometer Mini Scan XE. Amounts of chlorophyll a, b and carotenoids determined by measuring the optical density of the solution respectively at 662 nm, 644 nm ir 440,5 nm by UV – Vis spectrophotometer. The best marketable appearance was of lyophilized mints comparing with dried. The concentration of photosintetic pigments depends on the processing methods. The highest amounts of carotenoids were accumulated in dried, chlorophylls – in lyophylized mints
Internet: http://af.asu.lt/wp-content/uploads/sites/3/2017/01/AF-straipsniu-rinkinys-2015.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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