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RISS 인기검색어
- 검색키워드
- 저자 : LK Ghosh (검색결과 3 건)
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K Nagarajan,Avijit Mazumder,LK Ghosh 경희대학교 융합한의과학연구소 2008 Oriental Pharmacy and Experimental Medicine Vol.8 No.4
In the present study, the ethanolic leaf and bark extract of Wrightia tomentosa were tested for comparative in vivo antitumour properties against Ehrlich ascites carcinoma (EAC) tumour bearing mice at 100 and 200 mg/kg body weight doses given orally once daily for 16 days. The EAC mice receiving 100 and 200 mg/kg ethanolic leaf and bark extract showed a dose dependent elevation in tumour – free survival and a highest number of survivors were observed at 200 mg/ kg for leaf extract of ethanol, which was considered as an optimum dose for its anti neoplastic action. The Median survival time for this dose was approximately 44 days when compared with 23 days of non-drug treated controls. The results indicate that the administration of leaf extract not only increased the survival of animals with ascites tumour and reduced packed cell volume and viable tissue cell count, but also altered many hematological parameters changed during tumour progression, indicating the potent antitumour nature of leaf extract than the bark extract. Statistical analysis also reveals that the leaf extract showed highly significant anti tumour potency (p < 0.001) when compared with control. In the present study, the ethanolic leaf and bark extract of Wrightia tomentosa were tested for comparative in vivo antitumour properties against Ehrlich ascites carcinoma (EAC) tumour bearing mice at 100 and 200 mg/kg body weight doses given orally once daily for 16 days. The EAC mice receiving 100 and 200 mg/kg ethanolic leaf and bark extract showed a dose dependent elevation in tumour – free survival and a highest number of survivors were observed at 200 mg/ kg for leaf extract of ethanol, which was considered as an optimum dose for its anti neoplastic action. The Median survival time for this dose was approximately 44 days when compared with 23 days of non-drug treated controls. The results indicate that the administration of leaf extract not only increased the survival of animals with ascites tumour and reduced packed cell volume and viable tissue cell count, but also altered many hematological parameters changed during tumour progression, indicating the potent antitumour nature of leaf extract than the bark extract. Statistical analysis also reveals that the leaf extract showed highly significant anti tumour potency (p < 0.001) when compared with control.
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Nagarajan, K,Mazumder, Avijit,Ghosh, LK Kyung Hee Oriental Medicine Research Center 2008 Oriental pharmacy and experimental medicine Vol.8 No.4
In the present study, the ethanolic leaf and bark extract of Wrightia tomentosa were tested for comparative in vivo antitumour properties against Ehrlich ascites carcinoma (EAC) tumour bearing mice at 100 and 200 mg/kg body weight doses given orally once daily for 16 days. The EAC mice receiving 100 and 200 mg/kg ethanolic leaf and bark extract showed a dose dependent elevation in tumour, free survival and a highest number of survivors were observed at 200 mg/ kg for leaf extract of ethanol, which was considered as an optimum dose for its anti neoplastic action. The Median survival time for this dose was approximately 44 days when compared with 23 days of non-drug treated controls. The results indicate that the administration of leaf extract not only increased the survival of animals with ascites tumour and reduced packed cell volume and viable tissue cell count, but also altered many hematological parameters changed during tumour progression, indicating the potent antitumour nature of leaf extract than the bark extract. Statistical analysis also reveals that the leaf extract showed highly significant anti tumour potency (p < 0.001) when compared with control.
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K Nagarajan,Pallavi Saxena,Avijit Mazumder,LK Ghosh,G Uma Devi 경희대학교 융합한의과학연구소 2010 Oriental Pharmacy and Experimental Medicine Vol.10 No.1
The objective of the present investigation is to evaluate the antimicrobial potency of the terpenoid fractions isolated from Luffa cylindrica seeds against various pathogenic microbes. The seeds were powdered and extracted with methanol in soxhlet appratus based on phytochemical screening. Three terpenoid components were isolated by column chromatography and identified by thin layer chromatography and chemical analysis which were designated as LCSF4*, LCSF6*& LCSF8*respectively. Disc diffusion method was employed to determine the antimicrobial effectiveness of test compounds I, II and III (LCSF4*, LCSF6*& LCSF8*) against 6 microbial species viz., Staphylococcus (S.)aureus, Bacillus (B.) subtilis, Escherichia (E.) coli, Pseudomonas (P.) aeruginosa, Candida (C.) albicans and Aspergillus niger. The disc was saturated with 100 µl of each compound, allowed to dry and introduced on the upper layer of seeded agar plate. The plates were incubated overnight at 37°C. Microbial growth was determined by measuring the zonal inhibition diameters. Compound I showed maximum potency against gram positive S. aureus (21 mm) in comparison with standard ciprofloxacin (38 mm), whereas the same compound was completely devoid of activity against both the fungi tested. Compound II was found to be highly sensitive against both the gram negative E. coli (20 mm)and P. aeruginosa (22 mm). Compound II was found to exhibit maximum potency against the fungi C. albicans (15 mm) and A. niger (20 mm). Compound III was found to be very effective against both the gram positive S. aureus (20 mm) and B. subtilis (15 mm) respectively.
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