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논문 기본 정보

자료유형
학술저널
저자정보
A-Young Kim (경북대학교) Seon-Min Jeon (경북대학교) Yong-Jin Jeong (계명대학교) Yong Bok Park (경북대학교) Un Ju Jung (경북대학교) Myung-Sook Choi (경북대학교)
저널정보
한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.16 No.2
발행연도
2011.6
수록면
95 - 103 (9page)

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초록· 키워드

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This study was performed to investigate the antioxidant mechanism of tomato wine with varying lycopene content in rats fed a high fat diet (HFD). Male Sprague-Dawley rats were randomly divided into five groups (n=10 per group) and fed an HFD (35% of total energy from fat) plus ethanol (7.2% of total energy from alcohol), tomato wine with varying lycopene content (0.425 ㎎%, 1.140 ㎎% or 2.045 ㎎% lycopene) or an isocaloric control diet for 6 weeks. Mice fed HFD plus ethanol significantly increased erythrocyte hydrogen peroxide and thiobarbituric acid reactive substances (TBARS) levels with increases in activities of erythrocyte antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione reductase (GR) compared to pair-fed rats. Supplementation of tomato wine with varying lycopene content decreased ethanol-mediated increases of erythrocyte lipid peroxidation and antioxidant enzyme activities in HFD-fed rats, and tomato wine with higher lycopene appeared to be more effective. Tomato wine also dose-dependently lowered TBARS levels with decreased pro-oxidant enzyme, xanthine oxidase (XOD) activity in plasma of HFD-fed rats. In contrast to erythrocytes, the inhibitory effects of tomato wine on hepatic lipid peroxidation were linked to increased hepatic antioxidant enzymes (SOD and CAT) and alcohol metabolizing enzyme (alcohol dehydrogenase and aldehyde dehydrogenase) activities. There were no significant differences in hepatic XOD and cytochrome P450-2E1 activities among the groups. Together, our data suggest that tomato wine fortified with lycopene has the potential to protect against ethanol-induced oxidative stress via regulation of antioxidant or pro-oxidant enzymes and alcohol metabolizing enzyme activities in plasma, erythrocyte and liver.

목차

Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
ABBREVIATIONS
ACKNOWLEDGEMENTS
REFERENCES

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