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@article{1374001,
author = {Mareček, Vít and Mikyška, Alexandr and Hampel, David and Čejka, Pavel and Neuwirthová, Jana and Malachová, Alexandra and Cerkal, Radim},
article_location = {London},
article_number = {January 2017},
doi = {http://dx.doi.org/10.1016/j.jcs.2016.11.004},
keywords = {Barley; Malting; Trolox; Antioxidant capacity determination},
language = {cze},
issn = {0733-5210},
journal = {Journal of Cereal Science},
title = {ABTS and DPPH methods as a tool for studying antioxidant capacity of spring barley and malt},
volume = {73},
year = {2017}
}
TY - JOUR
ID - 1374001
AU - Mareček, Vít - Mikyška, Alexandr - Hampel, David - Čejka, Pavel - Neuwirthová, Jana - Malachová, Alexandra - Cerkal, Radim
PY - 2017
TI - ABTS and DPPH methods as a tool for studying antioxidant capacity of spring barley and malt
JF - Journal of Cereal Science
VL - 73
IS - January 2017
SP - 40-45
EP - 40-45
PB - Academic Press Inc.
SN - 07335210
KW - Barley
KW - Malting
KW - Trolox
KW - Antioxidant capacity determination
N2 - Many analytical methods for antioxidant determination in foodstuffs and raw materials based on various principles have been published so far. However, not all of them are applicable to barley and malt. The results of total antioxidant capacity (TEAC) of barley and malt obtained with methods based on ability to eliminate radicals of 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and 2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl (DPPH) were compared and statistically evaluated. The average TEAC of barley determined using ABTS and DPPH ranged from 2.1 to 2.5 micromol g-1 and from 1.2 to 1.7 micromol g-1, respectively. The TEAC ranges in malt were 2.7-3.0 micromol g-1 (ABTS) and 1.8-2.6 micromol g-1 (DPPH). TEAC of barley and malt were affected by the weather conditions (year), variety and application of Zn2+ fertilizer. The ABTS and the DPPH methods represent an effective tool for the assessment of antioxidant capacity of spring barley and malt and the factors having an impact on it.
ER -
MAREČEK, Vít, Alexandr MIKYŠKA, David HAMPEL, Pavel ČEJKA, Jana NEUWIRTHOVÁ, Alexandra MALACHOVÁ a Radim CERKAL. ABTS and DPPH methods as a tool for studying antioxidant capacity of spring barley and malt. \textit{Journal of Cereal Science}. London: Academic Press Inc., 2017, roč.~73, January 2017, s.~40-45. ISSN~0733-5210. Dostupné z: https://dx.doi.org/10.1016/j.jcs.2016.11.004.
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