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Total phenolic content and peroxidase activity in Salanova lettuce

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2018
bitstream_4803.pdf (1.503Mb)
Authors
Stojanović, Milica
Maksimović, Vuk
Dragišić Maksimović, Jelena
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Abstract
Lettuce (Lactuca sativa L.) belongs to a group of leafy vegetables commonly used as a salad in human nutrition. As minimally processed food product, it is an important source of vitamins, minerals and various antioxidative compounds. In our greenhouse experiment, two Salanova let tuce cultivars (‘Aquino‘ RZ- green and ‘Gaugin‘ RZ- red multi-leaf butterhead) were grown in the fertile soil during three successive seasons (autumn, winter and spring). The aim of the study was to examine the effect of different microbiological fertilizers (EM Aktiv, Vital Tricho and combination of EM Aktiv and Vital Tricho), cultivars and growing seasons on the total phenolic content and peroxidase activity. Our results showed that in all seasons red cultivar ‘Gaugin‘ had higher total phenolic content compared to green cultivar ‘Aquino‘. Their highest level was measured in au tumn with fertilizer Vital Tricho (549.14 µg GAE g-1 FW). The elevated phenolic status of red versus green cultivar w...as further strengthened by its higher level of peroxidase with the highest activity measured in spring with combination of fertilizers EM Aktiv and Vital Tricho (0.43 U mg-1 prot). The higher peroxidase activity and content of UV-absorbing phenolics, as plant-borne substrates of these enzymes, in the red cultivars indicate that the red leaves are better equipped to combat oxidative stress. Consequently, red cultivar ‘Gaugin‘, with increased synthesis of health-promoting antioxidants, could be considered as functional food in human diet.

Keywords:
lettuce / microbiological fertilizers / phenolics / peroxidase
Source:
3rd International Conference on Plant Biology (22nd SPPS Meeting), 2018, 119-119
Publisher:
  • Društvo za fiziologiju biljaka Srbije
  • Institut za biološka istraživanja “Siniša Stanković”
Funding / projects:
  • The membranes as sites of interaction between the intracellular and apoplastic environments: studies of the bioenergetics and signaling using biophysical and biochemical techniques. (RS-173040)

ISBN: 978-86-912591-4-3 (SPPS)

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rimsi_1864
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1864
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Stojanović, Milica
AU  - Maksimović, Vuk
AU  - Dragišić Maksimović, Jelena
PY  - 2018
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1864
AB  - Lettuce (Lactuca sativa L.) belongs to a group of leafy vegetables commonly used as a salad 
in human nutrition. As minimally processed food product, it is an important source of vitamins, 
minerals and various antioxidative compounds. In our greenhouse experiment, two Salanova let tuce cultivars (‘Aquino‘ RZ- green and ‘Gaugin‘ RZ- red multi-leaf butterhead) were grown in the 
fertile soil during three successive seasons (autumn, winter and spring). The aim of the study was 
to examine the effect of different microbiological fertilizers (EM Aktiv, Vital Tricho and combination 
of EM Aktiv and Vital Tricho), cultivars and growing seasons on the total phenolic content and 
peroxidase activity. Our results showed that in all seasons red cultivar ‘Gaugin‘ had higher total 
phenolic content compared to green cultivar ‘Aquino‘. Their highest level was measured in au tumn with fertilizer Vital Tricho (549.14 µg GAE g-1 FW). The elevated phenolic status of red versus 
green cultivar was further strengthened by its higher level of peroxidase with the highest activity 
measured in spring with combination of fertilizers EM Aktiv and Vital Tricho (0.43 U mg-1 prot). The 
higher peroxidase activity and content of UV-absorbing phenolics, as plant-borne substrates of 
these enzymes, in the red cultivars indicate that the red leaves are better equipped to combat 
oxidative stress. Consequently, red cultivar ‘Gaugin‘, with increased synthesis of health-promoting 
antioxidants, could be considered as functional food in human diet.
PB  - Društvo za fiziologiju biljaka Srbije
PB  - Institut za biološka istraživanja “Siniša Stanković”
C3  - 3rd International Conference on Plant Biology (22nd SPPS Meeting)
T1  - Total phenolic content and peroxidase activity in Salanova lettuce
EP  - 119
SP  - 119
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_1864
ER  - 
@conference{
author = "Stojanović, Milica and Maksimović, Vuk and Dragišić Maksimović, Jelena",
year = "2018",
abstract = "Lettuce (Lactuca sativa L.) belongs to a group of leafy vegetables commonly used as a salad 
in human nutrition. As minimally processed food product, it is an important source of vitamins, 
minerals and various antioxidative compounds. In our greenhouse experiment, two Salanova let tuce cultivars (‘Aquino‘ RZ- green and ‘Gaugin‘ RZ- red multi-leaf butterhead) were grown in the 
fertile soil during three successive seasons (autumn, winter and spring). The aim of the study was 
to examine the effect of different microbiological fertilizers (EM Aktiv, Vital Tricho and combination 
of EM Aktiv and Vital Tricho), cultivars and growing seasons on the total phenolic content and 
peroxidase activity. Our results showed that in all seasons red cultivar ‘Gaugin‘ had higher total 
phenolic content compared to green cultivar ‘Aquino‘. Their highest level was measured in au tumn with fertilizer Vital Tricho (549.14 µg GAE g-1 FW). The elevated phenolic status of red versus 
green cultivar was further strengthened by its higher level of peroxidase with the highest activity 
measured in spring with combination of fertilizers EM Aktiv and Vital Tricho (0.43 U mg-1 prot). The 
higher peroxidase activity and content of UV-absorbing phenolics, as plant-borne substrates of 
these enzymes, in the red cultivars indicate that the red leaves are better equipped to combat 
oxidative stress. Consequently, red cultivar ‘Gaugin‘, with increased synthesis of health-promoting 
antioxidants, could be considered as functional food in human diet.",
publisher = "Društvo za fiziologiju biljaka Srbije, Institut za biološka istraživanja “Siniša Stanković”",
journal = "3rd International Conference on Plant Biology (22nd SPPS Meeting)",
title = "Total phenolic content and peroxidase activity in Salanova lettuce",
pages = "119-119",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_1864"
}
Stojanović, M., Maksimović, V.,& Dragišić Maksimović, J.. (2018). Total phenolic content and peroxidase activity in Salanova lettuce. in 3rd International Conference on Plant Biology (22nd SPPS Meeting)
Društvo za fiziologiju biljaka Srbije., 119-119.
https://hdl.handle.net/21.15107/rcub_rimsi_1864
Stojanović M, Maksimović V, Dragišić Maksimović J. Total phenolic content and peroxidase activity in Salanova lettuce. in 3rd International Conference on Plant Biology (22nd SPPS Meeting). 2018;:119-119.
https://hdl.handle.net/21.15107/rcub_rimsi_1864 .
Stojanović, Milica, Maksimović, Vuk, Dragišić Maksimović, Jelena, "Total phenolic content and peroxidase activity in Salanova lettuce" in 3rd International Conference on Plant Biology (22nd SPPS Meeting) (2018):119-119,
https://hdl.handle.net/21.15107/rcub_rimsi_1864 .

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