| Antioxidative Activities of Ginkgo biloba Extract on Oil/Water Emulsion System Prepared from an Enzymatically Modified Lipid Containing Alpha-Linolenic Acid. | |
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MedLine Citation:
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PMID: 23278764 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The desired mix of alpha-linolenic acid (ALA)-enriched structured lipid (SL) and physically blended lipid (PB) was prepared from grape seed oil and perilla oil at a weight ratio of 3:1. The major triacylglycerol species (LnLnL) in PB was drastically increased after interesterification (SL), from 0.5% to 16.8%. After the reaction, the total unsaturated fatty acid at the sn-2 position was decreased from 98.83% in PB to 91.36% in SL. The reduction of vitamin E compounds was also observed. Compared with a PB-based emulsion, SL-based emulsions showed oxidative instability, as assessed by lipid hydroperoxide (LOOH) and 2-thiobarbituric acid-reactive substances (TBARS) values, which was mainly due to the SL which contained less LA, ALA, and ΣUSFA at the sn-2 position and less γ-tocopherol than did PB. PB-, and SL-based emulsions with Ginkgo biloba extract (GBE) which showed significantly lower values of LOOH and TBARS compared to a blank control. GBE was effective in retarding the oxidation of the emulsion by quenching the free radicals in the water phase of the emulsion and inhibiting the formation of primary and secondary oxidation products. These results indicate that GBE could be used as an antioxidant additive for stabilizing ALA-enriched emulsions. Practical Application: The results suggest the possibility to supplement Ginkgo biloba extract in alpha linolenic acid-enriched structured lipid-based emulsions which would increase the therapeutic value and enhance the antioxidant potential of the emulsions. |
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Authors:
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Dan Yang; Lu-Jing Gan; Jung-Ah Shin; Sunju Kim; Soon-Taek Hong; Sang-Hyun Park; Jeung Hee Lee; Ki-Teak Lee |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-21 |
Journal Detail:
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Title: Journal of food science Volume: - ISSN: 1750-3841 ISO Abbreviation: J. Food Sci. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2013-1-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0014052 Medline TA: J Food Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Institute of Food Technologists® |
Affiliation:
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Authors Yang, Gan, Shin, Hong, and K.-T. Lee are with Dept. of Food Science and Technology, Chungnam Natl. Univ., Daejeon 305-764, South Korea. Author Kim is with Dept. of Bio-Environment Chemistry, Chungnam Natl. Univ., Daejeon 305-764, South Korea. Author Park is with Dept. of Radiation Application Research Div., Korea Atomic Energy Research Inst., South Korea. Author J. H. Lee is with Dept. of Food Nutrition, Daegu Univ., Jillyang Gyeongbuk 712-714, South Korea. Direct inquiries to author K.-T. Lee (E-mail: ktlee@cnu.ac.kr). |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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