Goel, H C and Prasad, J and Singh, S and Sagar, R K and Kumar, I P and Sinha, Arun K (2002) Radioprotection by a herbal preparation of Hippophae rhamnoides, RH-3, against whole body lethal irradiation in mice. Phytomed, 9. pp. 15-25.

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Purpose: Hippophae rhamnoides L. has been well documented to have anti-oxidative, immunostimulative and regenerative properties and therefore a herbal preparation of H. rhamnoides coded as RH-3 was investigated for its radioprotective action. Materials and methods: RH-3 was administered intraperitonially (i.p.) to mice 30 minutes before whole body irradiation and whole body survival, spleen Colony forming units (CFU) and haematological parameters were studied. To investigate free radical scavenging and antioxidant potential, Fenton reaction, radiation mediated OH radical scavenging and chemically generated superoxide anions scavenging were studied in vitro while inhibition of lipid peroxidation was studied in liver homogenate of mice. Results: A dose of 30 mg/kg body weight of RH-3 rendered 82% survival as compared to no survival in irradiated control. The endogenous CFU counts in mouse spleen on 10th post-irradiation day with and without RH-3 demonstrated radioprotective effect. Various hematological parameters also corroborated the radioprotective effect of RH-3. In a dose dependent manner, RH-3 inhibited Fenton reaction and radiation mediated generation of hydroxyl radicals in vitro, superoxide anion mediated Nitroblue tetrazolium (NBT) reduction and FeSO4 mediated lipid peroxidation in liver.

Item Type: Article
Uncontrolled Keywords: Radioprotection, Hippophae rhamnoides, lethal irradiation, herbal radioprotector, antioxidant
Subjects: Chemical Engineering
Depositing User: Dr. Aparna Maitra Pati
Date Deposited: 02 Jan 2012 10:18
Last Modified: 02 Jan 2012 10:18
URI: http://ihbt.csircentral.net/id/eprint/355

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