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KMID : 1098420070150050352
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Korean Journal of Medicinal Crop Science
2007 Volume.15 No. 5 p.352 ~ p.356
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The Influence of Long-term Aloe Supplement on Anti-oxidative Defenses and Cholesterol Content in Brain and Kidney of Aged Rats
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Lim Beong-Ou
Park Pyo-Jam
Kim Jong-Dai
Park Dong-Ki
Choi Wahn-Soo
Yu Byung-Pal
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Abstract
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The present study was investigated the anti-oxidative effects of aloe vera ingestion on brain and kidney in aged rats by monitoring several oxidative-related parameters. Male specific pathogen-free Fischer 344 rats were randomly divided into four groups of five rat each: Group A was fed test chow without aloe supplementation; Group B was fed a diet containing a 1% freeze-dried aloe filet; Group C was fed a diet containing a 1% charcoal-processed, freeze-dried aloe filet; and Group D was fed a diet containing a charcoal-processed, freeze-dried, whole leaf aloe in drinking water. Analyses of tissues were done at 4 months and 16 months of age. Results showed that a long-term intake of aloe, regardless of the preparation used, enhanced antioxidant defenses against lipid peroxidation, as indicated by reduced phosphatidylcholine hydroperoxide levels in both brain and kidney. The additional benefit of aloe intake on the anti-oxidative action was evidenced by enhanced superoxide dismutase and catalase activity in all aloe-ingested groups. Another beneficial effect of aloe shown in this study, although not an anti-oxidative parameter, was its cholesterol-lowering effect as detected in brain and kidney with significant decreases at age16 months of aloe-fed rats. Based on these findings, we conclude that a long-term dietary aloe supplementation modulated the anti-oxidative defense systems and cholesterol level.
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KEYWORD
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Aging, aloe vera, oxidative stress, brain, kidney, cholesterol
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