| 15070165 |
Kim Y, DiSilvestro R, Clinton S: Effects of lycopene-beadlet or tomato-powder feeding on carbon tetrachloride-induced hepatotoxicty in rats. World J Gastroenterol. 2005 Jun 28;11(24):3680-5.
The carotenoid lycopene has been touted as possessing various antioxidant properties, but there are no demonstrations that lycopene inhibits tissue injury due to acute oxidant stress. Thus, the present study examined the effects of intake of lycopene or tomato extract, a rich source of lycopene, on acute liver injury caused by the oxidant carbon tetrachloride (CCl4). Feeding with tomato extract (10% tomato powder), but not with lycopene (0.25% lycopene beadlets), partially inhibited CCl4-induced hepatic injury based on the serum activities of sorbitol dehydrogenase and aspartate aminotransferase. No effect was seen for either lycopene or tomato extract on serum beta-glucuronidase activity, a marker of lysosomal injury. We concluded that tomato extract, but not lycopene, partially protected against acute liver injury due to chemically-induced oxidant stress. |
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