Investigation of the mechanism of ascorbic acid radical formation and destruction

1977 ◽  
Vol 26 (1) ◽  
pp. 49-54
Author(s):  
A. P. Moravskii ◽  
Yu. N. Skurlatov ◽  
E. V. Shtamm ◽  
V. F. Shuvalov
Keyword(s):  
Ascorbic Acid ◽  
Radical Formation ◽  
Acid Radical

scholarly journals Extracellular Ascorbic Acid Radical formation During Cerebral Ischemia-Reperfusion Utilizing 4-Vessel Occlusion In Rats

2006 ◽  
Vol 17 (11) ◽  
pp. 803-809
Author(s):  
Takahiro Atsumi ◽  
Shigeki Toda ◽  
Takayuki Asakura ◽  
Yukio Ikeda ◽  
Hiroyuki Yokota ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Cerebral Ischemia ◽  
Ischemia Reperfusion ◽  
Radical Formation ◽  
Vessel Occlusion ◽  
Cerebral Ischemia Reperfusion ◽  
Acid Radical

Ascorbic acid enhances hydroxyl radical formation in iron-fortified infant cereals and infant formulas

1997 ◽  
Vol 156 (6) ◽  
pp. 488-492 ◽  
Author(s):  
R. Almaas ◽  
T. Rootwelt ◽  
S. Øyasæter ◽  
O. D. Saugstad
Keyword(s):  
Ascorbic Acid ◽  
Hydroxyl Radical ◽  
Radical Formation ◽  
Infant Formulas

Oxidative Stress of Crops Monitored by EPR

1993 ◽  
Vol 48 (9-10) ◽  
pp. 766-772 ◽  
Author(s):  
Hartmut B. Stegmann ◽  
Paul Schuler
Keyword(s):  
Oxidative Stress ◽  
Ascorbic Acid ◽  
Acid Oxidase ◽  
Ascorbic Acid Oxidase ◽  
Acid Radical ◽  
In Vivo Epr ◽  
Signal Intensities

Abstract Treatment of leaves of spinach, corn, and peas with the herbicides paraquat, amitrole or acifluorfen leads to oxidative stress resulting in a light driven drastically increased production of ascorbic acid radical (m̱onoḏehydroa̱scorbic acid, MDAA) which could be demonstrated by in vivo EPR analysis. A discrimination of the MDAA formation between the action of elec­tron uncouplers and catalase inhibitors can be achieved by observation of the radical rise kinetics. Significant MDAA signal intensities are detected in the darkness likewise. These signals are probably due to the action of ascorbic acid oxidase activated by membrane destruction.

Stable L-(+)-Ascorbic Acid Radical Anions

1978 ◽  
Vol 17 (5) ◽  
pp. 365-366 ◽  
Author(s):  
Hartmut B. Stegmann ◽  
Klaus Scheffler ◽  
Paul Schuler
Keyword(s):  
Ascorbic Acid ◽  
Radical Anions ◽  
Acid Radical

A theoretical study of ascorbic acid oxidation andHOO˙/O2˙−radical scavenging

2017 ◽  
Vol 15 (20) ◽  
pp. 4417-4431 ◽  
Author(s):  
Yi-Jung Tu ◽  
David Njus ◽  
H. Bernhard Schlegel
Keyword(s):  
Ascorbic Acid ◽  
Theoretical Study ◽  
Radical Scavenging ◽  
Dehydroascorbic Acid ◽  
Acid Oxidation ◽  
Acid Radical

Ascorbate radical disproportionates by forming a dimer, cyclizing and dissociating to yield ascorbic acid and the most stable hydrated, bicyclic form of dehydroascorbic acid; radical scavenging by ascorbate radical can proceed by a similar mechanism.

Ascorbic acid maintenance in HaCaT revents radical formation and apoptosis by UV-B

1999 ◽  
Vol 26 (9-10) ◽  
pp. 1172-1180 ◽  
Author(s):  
Isabella Savini ◽  
Ida D’Angelo ◽  
Marco Ranalli ◽  
Gerry Melino ◽  
Luciana Avigliano
Keyword(s):  
Ascorbic Acid ◽  
Radical Formation

Impact of Aminotriazole and Paraquat on the Oxidative Defence System of Spruce Monitored by Monodehydroascorbic Acid

1992 ◽  
Vol 47 (7-8) ◽  
pp. 567-572 ◽  
Author(s):  
Stefan Westphal ◽  
Edgar Wagner ◽  
M. Knollmüller ◽  
W. Loreth ◽  
Paul Schuler ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Antioxidative System ◽  
Defence System ◽  
Acid Radical

Keywords Ascorbic acid radical, EPR, Herbicides, Damage to Forest, Antioxidative System

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