Linked Life Data

6706998

Source:http://linkedlifedata.com/resource/pubmed/id/6706998

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
1984-5-11
pubmed:abstractText
The oxidation of methyl linoleate in solution initiated with azo compounds has been studied in the absence and presence of vitamin E and vitamin C. Both vitamin E and vitamin C acted as a chain-breaking antioxidant and they suppressed the oxidation and produced an induction period. The inhibition rate constant for the scavenging of peroxy radical was calculated at 37 degrees C as kinh = 5.1 X 10(5) M-1 s-1 and 7.5 X 10(4) M-1 s-1 for vitamin E and vitamin C, respectively. It was suggested that each vitamin E could trap two peroxy radicals, whereas vitamin C could trap only one peroxy radical under the reaction conditions employed in this study. When both vitamin E and vitamin C were present, the oxidation was suppressed quite efficiently and the apparent inhibition rate constant was obtained as kinh = 4.0 X 10(5) M-1 s-1. Furthermore, vitamin E remained almost unchanged and only vitamin C was consumed at the initial stage and vitamin E was consumed after vitamin C was exhausted. It was concluded that vitamin E trapped the peroxy radical and the resulting alpha-chromanoxy radical reacted with vitamin C to regenerate vitamin E.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
10
pubmed:volume
259
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
4177-82
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1984
pubmed:articleTitle
Inhibition of oxidation of methyl linoleate in solution by vitamin E and vitamin C.
pubmed:publicationType
Journal Article