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Guaiacol peroxidases in carrot (Daucus carrota L.) root (CROSBI ID 104266)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Lepeduš, Hrvoje ; Cesar, Vera ; Krsnik-Rasol, Marijana Guaiacol peroxidases in carrot (Daucus carrota L.) root // Food technology and biotechnology, 42 (2004), 1; 33-36

Podaci o odgovornosti

Lepeduš, Hrvoje ; Cesar, Vera ; Krsnik-Rasol, Marijana

engleski

Guaiacol peroxidases in carrot (Daucus carrota L.) root

Carrot (Daucus carota L.) belongs to the group of common edible vegetables. The aim of the present study was to establish the distribution of guaiacol peroxidases in carrot root sections as well as to determine the enzymatic activity and the electrophoretic pattern of isoperoxidases in tissue extracts of particular root regions: central cylinder, inner cortexand epidermis, including the peripheral region of the cortex. This is a preliminary study for further investigations of stress influence on the expression of peroxidases in carrot root. In the central cylinder and inner cortex region peroxidase activity was localised in tracheary elements. The most intensive enzyme-linked colouration was noticed in the epidermal region of the cortex. The lowest activity was measured in the extracts of primary xylem area, while the area containing inner cortex, secondary xylem and phloem had an almost double activity. The highest activity was measured in the epidermal region. Electrophoretic analysis of anionic peroxidases revealed one isoenzyme in the central cylinder, and two other isoenzymes in the epidermal region.

Daucus carrota; guaiacol peroxidases; root

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Podaci o izdanju

42 (1)

2004.

33-36

objavljeno

1330-9862

Povezanost rada

Biologija

Poveznice
Indeksiranost