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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2006-7-6
pubmed:abstractText
Rhodiola imbricata, an Indian medicinal plant, was investigated for protection against whole-body lethal gamma irradiation (10 Gy)-induced mortality in Swiss albino strain "A" mice. The maximum tolerance dose values for aqueous (RD-I) and aqua-alcoholic (RD-II) extracts were 1,100 and 1,300 mg/kg of body weight, respectively. Pre-irradiation administration of RD-I produced >90% survival, while RD-II produced >83% survival beyond the 30-day observation period. The optimal radioprotective dose for RD-I as well as RD-II was 350 mg/kg of body weight; the aqua-alcoholic extract, however, had an advantage over the aqueous extract at lower as well as at higher doses. The optimal time interval between administration of extract and irradiation was 30 minutes for both RD-I and RD-II. The number of colony-forming units per spleen in irradiated mice was 1.91 +/- 0.15, while in mice given RD-I or RD-II, 30 minutes before irradiation (10 Gy), it increased to 17.3 +/- 0.67 and 15.6 +/- 0.61, respectively. These findings have important implications in the development of a suitable radioprotector of herbal origin.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1096-620X
pubmed:author
pubmed:issnType
Print
pubmed:volume
9
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
154-60
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Radioprotection by Rhodiola imbricata in mice against whole-body lethal irradiation.
pubmed:affiliation
Radiation Biology Division, Institute of Nuclear Medicine and Allied Sciences, Delhi, India. hcgoel@hotmail.com
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't