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Articles by S. Subakanmani
Total Records ( 2 ) for S. Subakanmani
  S. Subakanmani , S. Murugan and P. Uma Devi
  The purpose of the study was to investigate the anti-depressant like effect of ethanolic extract of H. hookerianum (EEHh 200 and 400 mg kg–1 p.o.,) and its glycosidic flavonoid enriched extract of ethanolic extract of H. hookerianum (GFHh 100 mg kg–1 p.o.,) in reserpine induced (2 mg kg–1 i.p.,) Swiss albino mice. The flavonoidal constiteuents in EEHh and GFHh was confirmed by HPLC. The behavioral analysis of forced swimming test, tail suspension test, locomotor activity in mice has been conducted. Brain superoxide dismutase, catalase, glutathione and lipid peroxidation were estimated biochemically. Brain monoamine oxidase (A and B) activity has been carried out by double beam spectrophotometer. All the values in this study indicated that the GFHh posses well specified antidepressant activity than EEHh due to higher concentration of flavonoids as confirmed by HPLC.
  S. Subakanmani , S. Murugan and P. Uma Devi
  Gold has been used as antidepressants in Indian traditional medicine. Hypericum species are used as alternative to conventional medicines for the treatment of neurodegenerative diseases. The present study focuses on synthesis and characterization of gold nanoparticles (AuNPs) using Hypericum hookerianum and its antiparkinson like effect in haloperidol (1 mg kg–1; ip) induced swiss albino mice. The synthesized AuNPs were characterized by ultraviolet-visible spectroscopy, scanning electron microscopy; energy dispersive X-ray spectrum and fourier transform infrared spectroscopy. The parkinson induced mice were treated with ethanolic extract of H. hookerianum (EEHH) (400 mg kg–1) and H. hookerianum synthesized gold nanoparticles (HHGNps) (40 mg kg–1). Behavioral analyses of mice were examined by rota rod test, gait analysis, wire hang test and their neurobiochemical analysis (dopamine and glutamate) by spectrofluorimetry. In this study, the haloperidol induced group showed depleted dopamine and increased glutamate levels, whereas treated groups exhibited significantly restored values. Among the extracts, EEHH showed well pronounced antiparkinson like effect due to its neuroprotective flavonoids and surprisingly HHGNps treated groups showed greater antiparkinson like effect. The green synthesis of AuNPs showed promising effects for the modern therapeutic era especially with regard to parkinson’s disease.
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