Ornella F. Camiletti, Antonella E. Bergesse, María C. Prieto, Patricia R. Quiroga, Gonzalo A. Ojeda, Sonia Sgroppo, Cecilia G. Riveros, Nelson R. Grosso
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引用次数: 0
Abstract
The objective of this study was to analyze the chemical composition and antioxidant activity of a chickpea husk polyphenol extract (CPE) obtained from Argentinian Kabuli chickpea and to evaluate its antioxidant effect on the chemical quality of sunflower oil. The polyphenol composition of CPE was analyzed by HPLC–ESI-MS/MS. Antioxidant activity was evaluated by DPPH•, FRAP, ABTS•+, and chelating activity in ferrous ion tests. An accelerated oxidation test in sunflower oil was carried out by applying 0.01, 0.02, and 0.05% p/p CPE and comparing it with BHT (0.02%). Peroxide value, conjugated dienes, and volatile compounds were determined on sunflower oil samples. Twelve polyphenols were identified in the chickpea extract. The CPE showed in vitro antioxidant activity. The lowest doses (0.01% and 0.02%) protected sunflower oil more efficiently against oxidative deterioration than the higher level (0.05%). Chickpea husk extract has a good antioxidant effect on sunflower oil, which helps to preserve the quality properties of this product.
期刊介绍：
The Journal of the American Oil Chemists’ Society (JAOCS) is an international peer-reviewed journal that publishes significant original scientific research and technological advances on fats, oils, oilseed proteins, and related materials through original research articles, invited reviews, short communications, and letters to the editor. We seek to publish reports that will significantly advance scientific understanding through hypothesis driven research, innovations, and important new information pertaining to analysis, properties, processing, products, and applications of these food and industrial resources. Breakthroughs in food science and technology, biotechnology (including genomics, biomechanisms, biocatalysis and bioprocessing), and industrial products and applications are particularly appropriate.
JAOCS also considers reports on the lipid composition of new, unique, and traditional sources of lipids that definitively address a research hypothesis and advances scientific understanding. However, the genus and species of the source must be verified by appropriate means of classification. In addition, the GPS location of the harvested materials and seed or vegetative samples should be deposited in an accredited germplasm repository. Compositional data suitable for Original Research Articles must embody replicated estimate of tissue constituents, such as oil, protein, carbohydrate, fatty acid, phospholipid, tocopherol, sterol, and carotenoid compositions. Other components unique to the specific plant or animal source may be reported. Furthermore, lipid composition papers should incorporate elements of yeartoyear, environmental, and/ or cultivar variations through use of appropriate statistical analyses.
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