Acta Physiologiae Plantarum, ( ISI ), Volume (35), No (2), Year (2013-1) , Pages (443-450)

Title : ( Content of different groups of phenolic compounds in microshoots of Juglans regia cultivars and studies on antioxidant activity )

Authors: Monireh Cheniany , Hassan Ebrahimzadeh , Kourosh Vahdati , John E. Preece , Ali Masoudinejad , Masoud Mirmasoumi ,

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Abstract

Phenolic and other compounds were extracted from micropropagated axillary shoots (microshoots) of the walnut (Juglans regia L.) cultivars ‘Chandler’, ‘Howard’, ‘Kerman’, ‘Sunland’, and ‘Z63’. Among cultivars, microshoots showed differences in phenolic compounds, phenolic acids, flavonoids, and proanthocyanidins. All cultivars contained the phenolics acids chlorogenic acid, gallic acid, p-coumaric acid; the naphthoquinone juglone; and the flavonoid quercetin. The phenolic acids syringic acid and vanillin were present only in microshoots of ‘Howard’. Microshoot extracts had different antioxidant activity with ‘Kerman’ the highest and ‘Chandler’ the lowest in each of three antioxidant assays: the phosphomolybdenum assay (PPM), reducing power assay, and 2,2-diphenyl-1-picrylhydrazyl-scavenging effect. There was a strong linear relationship between total phenolic compound content of microshoots and increasing antioxidant activity.

Keywords

, in vitro, juglone, micropropagation, quercetin, walnut
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@article{paperid:1032760,
author = {Cheniany, Monireh and Hassan Ebrahimzadeh and Kourosh Vahdati and John E. Preece and Ali Masoudinejad and Masoud Mirmasoumi},
title = {Content of different groups of phenolic compounds in microshoots of Juglans regia cultivars and studies on antioxidant activity},
journal = {Acta Physiologiae Plantarum},
year = {2013},
volume = {35},
number = {2},
month = {January},
issn = {0137-5881},
pages = {443--450},
numpages = {7},
keywords = {in vitro; juglone; micropropagation; quercetin; walnut},
}

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%0 Journal Article
%T Content of different groups of phenolic compounds in microshoots of Juglans regia cultivars and studies on antioxidant activity
%A Cheniany, Monireh
%A Hassan Ebrahimzadeh
%A Kourosh Vahdati
%A John E. Preece
%A Ali Masoudinejad
%A Masoud Mirmasoumi
%J Acta Physiologiae Plantarum
%@ 0137-5881
%D 2013

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