Antioxidant Activities of Perilla frutescens against Low-Density Lipoprotein Oxidation in Vitro and in Human Subjects
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- Saita Emi
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Kishimoto Yoshimi
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Tani Mariko
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Iizuka Maki
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Toyozaki Miku
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Sugihara Norie
- Institute of Environmental Science for Human Life, Ochanomizu University
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- Kondo Kazuo
- Institute of Environmental Science for Human Life, Ochanomizu University
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抄録
Perilla (Perilla frutescens (L.) Britt.) is a popular food as well as a traditional medicine in Japan, China, and other Asian countries. The aim of this study was to investigate the inhibitory effects of perilla on low-density lipoprotein (LDL) oxidation in vitro and in human subjects. We compared the antioxidant activities of red perilla and green perilla. Both green and red perilla had high 1,1-diphenyl-2-picrylhydrazyl radical scavenging activities and were abundant in polyphenol compounds. In addition, the radical scavenging activity and polyphenol content of red perilla were higher than those of green perilla. Perilla dramatically inhibited azo-radical-induced LDL oxidation and endothelial-cell-mediated LDL oxidation in vitro. Moreover, red perilla significantly increased mRNA and protein expression levels of antioxidant enzymes in endothelial cells. We further examined the antioxidant effects against LDL in human subjects after the consumption of perilla extracts. After oral intake of red perilla, the subjects’ LDL oxidation lag times were significantly longer than those before the intake. Furthermore, lipid peroxide formation and the electrophoretic mobility of LDL decreased markedly. These results suggested that perilla, especially the red variety, had high antioxidant activity and prevented the oxidation of LDL, which is a process strongly related to the development of atherosclerosis.
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 61 (3), 113-120, 2012
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204093223680
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- NII論文ID
- 130001882214
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- NII書誌ID
- AA11503337
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- COI
- 1:STN:280:DC%2BC383lvFyqsQ%3D%3D
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 023423662
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- PubMed
- 22362141
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可