PMID- 18173726 OWN - NLM STAT- MEDLINE DCOM- 20080327 LR - 20080104 IS - 0031-8655 (Print) IS - 0031-8655 (Linking) VI - 84 IP - 1 DP - 2008 Jan-Feb TI - Effect of X-radiation on lipid peroxidation and antioxidant systems in rats treated with saponin-containing compounds. PG - 236-42 LID - 10.1111/j.1751-1097.2007.00240.x [doi] AB - The aim of this study was to investigate the effect of three saponin-containing plant species extracts (Aesculuc hippocastanum L. seed extract [AHE], Medicago sativa L. extract [MSE] and Spinacia oleracea L. extract [SOE]) on lipid peroxidation and on antioxidant systems in rats exposed to X-rays (XR). The rats were divided into three categories. The first category served as controls and received only a standard diet. The second category served as the radiation group and received 5 and 10 Gy XR dose. The third category (XR+extract-treated) received plant extracts (25.0 or 50.0 mg kg(-1) live weight) and 5 or 10 Gy XR dose. Blood samples were analyzed for their content of malondialdehyde (MDA), reduced glutathione (GSH), plasma vitamin C, beta-carotene and retinol. In animals receiving XR, the plasma MDA (P < 0.001) value significantly increased but the level of GSH (P < 0.01), vitamin C (P < 0.001), retinol and beta-carotene (P < 0.001) decreased significantly with increasing XR doses. In the XR+extract-treated groups, the concentrations of MDA increased significantly with increasing radiation but their concentrations decreased significantly with increasing extract concentrations. Plasma concentrations of GSH, beta-carotene, retinol and vitamin C in XR+extract-treated groups decreased significantly with increasing XR dose but their concentrations increased with increasing extract doses. Further, comparison of blood samples of XR+extract-treated groups with those from the control group showed that GSH, beta-carotene, retinol and vitamin C values increased significantly but that MDA values decreased significantly. The results showed that all extracts have enhanced the antioxidant status and decreased the incidence of free radical-induced lipid peroxidation in blood samples of rats exposed to XR. However, the antioxidant effect of AHE-administered animals was more effective than that of MSE- and SOE-administered whole-body XR rats. We conclude that the supplementation with saponin-containing extracts may serve to reinforce the antioxidant systems, thus having protective effect against cell damage by XR. FAU - Yalinkilic, Omer AU - Yalinkilic O AD - Kumluca Anatolian Vocation High School, Kumluca, Antalya, Turkey. FAU - Enginar, Huseyin AU - Enginar H LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Photochem Photobiol JT - Photochemistry and photobiology JID - 0376425 RN - 0 (Antioxidants) RN - 0 (Plant Extracts) RN - 0 (Saponins) SB - IM MH - Animals MH - Antioxidants/*metabolism MH - Lipid Peroxidation/*drug effects/*radiation effects MH - Male MH - Plant Extracts/chemistry/pharmacology MH - Rats MH - Rats, Wistar MH - Sapindus/chemistry MH - Saponins/*pharmacology MH - Seeds/chemistry EDAT- 2008/01/05 09:00 MHDA- 2008/03/28 09:00 CRDT- 2008/01/05 09:00 PHST- 2008/01/05 09:00 [pubmed] PHST- 2008/03/28 09:00 [medline] PHST- 2008/01/05 09:00 [entrez] AID - PHP240 [pii] AID - 10.1111/j.1751-1097.2007.00240.x [doi] PST - ppublish SO - Photochem Photobiol. 2008 Jan-Feb;84(1):236-42. doi: 10.1111/j.1751-1097.2007.00240.x.