| A novel photometric method for evaluation of the oxidative stability of virgin olive oils. | |
| | |
MedLine Citation:
|
PMID: 18727539 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
The Oxitester method, a novel, simple, and fast photometric method for the evaluation of the antioxidant capacity of olive oils, was validated and compared to the official oil stability index (Rancimat) method. The Oxitester method appeared to be a good alternative to the Rancimat method with adequate correlation for a wide range of virgin olive oil samples, including extrissima virgin olive oils (correlation coefficient 0.88), and extra virgin olive oils of increased acidity (free fatty acids >0.45%, correlation coefficient 0.89). Other quality factors (flavor, free fatty acids content, specific absorbance at 270 and 232 nm, peroxide value, and content of oleic, linoleic, and linolenic acids) were also measured and correlated to the antioxidant capacity values of the Oxitester and Rancimat methods. The Oxitester method, in contrast to the Rancimat method, was indicative of the flavor characteristics of the olive oils and the content of linolenic acid. |
| | |
Authors:
|
Vassilis N Kamvissis; Emmanouil G Barbounis; Nikolaos C Megoulas; Michael A Koupparis |
Related Documents
:
|
8280769 - Modulation by dietary oils and clofibric acid of arachidonic acid content in phosphatid... 1539039 - The effect of chemical hepatocarcinogenesis on liver phospholipid composition in rats f... 20089399 - Variables affecting the reactivity of acid-catalyzed transesterification of vegetable o... 2138449 - Effects of fish oil supplementation in rheumatoid arthritis. 12560969 - Triton x-100-stabilized "oil-in-water" emulsions as suitable media for alkalimetric det... 15531659 - Fish oil and antioxidants alter the composition and function of circulating mononuclear... 7666829 - Reduction of free fatty acids may ameliorate risk factors associated with abdominal obe... 16292869 - Stereoselective total synthesis of cis- and trans-3-hydroxypipecolic acid. 8168619 - The interaction of hydrophobic bile acids with the alpha 1-proteinase inhibitor. |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Journal of AOAC International Volume: 91 ISSN: 1060-3271 ISO Abbreviation: J AOAC Int Publication Date: 2008 Jul-Aug |
Date Detail:
|
Created Date: 2008-08-27 Completed Date: 2008-09-25 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 9215446 Medline TA: J AOAC Int Country: United States |
Other Details:
|
Languages: eng Pagination: 794-801 Citation Subset: IM |
Affiliation:
|
Minerva S.A. Edible Oils Enterprises, Analytical Laboratory Department, 165 Tatoiou and Odisseos Str, 14452 Metemorfosis Attica, Factory: 32009 Schimatari Viotias, Greece. vkamvi@minerva.com.gr |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Antioxidants
/
analysis Hydrogen-Ion Concentration Indicators and Reagents Odors / analysis Oxidation-Reduction Photometry Plant Oils / chemistry* Reproducibility of Results Spectrophotometry, Ultraviolet Taste alpha-Linolenic Acid / analysis |
| Chemical | |
Reg. No./Substance:
|
0/Antioxidants; 0/Indicators and Reagents; 0/Plant Oils; 463-40-1/alpha-Linolenic Acid; 8001-25-0/olive oil |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Determination of vitamin B12 in food products by liquid chromatography/UV detection with immunoaffin...
Next Document: Determination of moisture and fat in meats by microwave and nuclear magnetic resonance analysis: col...