Antibacterial activity (in vitro) of different extracts (water, ethanol, chloroform and petroleum-ether 60-80-degrees) of Piper chaba stem were studied. The ethanol extract was found to be most active of all the extracts. The minimum inhibitory concentrations of dried ethanol extract against Shigella dysenteriae, Vibrio cholerae and Bacillus subtilis were found to be 100, 75 and 100-mu-g/ml respectively. Thin layer chromatographic (TLC) analyses of the ethanol extract revealed the presence of a known alkaloid piplartine in the ethanol extract. The alkaloid also showed prominent antibacterial activity against the above mentioned pathogens.
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Ton Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Ton Duc Thang Univ, Fac Pharm, Ho Chi Minh City 700000, VietnamTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Islam, Muhammad Torequl
Hasan, Jabed
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Bangabandhu Sheikh Mujibur Rahman Sci & Technol U, Life Sci Fac, Dept Appl Chem & Chem Engn, Gopalganj 8100, BangladeshTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Hasan, Jabed
Snigdha, H. M. Shadid Hossain
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Bangabandhu Sheikh Mujibur Rahman Sci & Technol U, Life Sci Fac, Dept Pharm, Gopalganj 8100, BangladeshTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Snigdha, H. M. Shadid Hossain
Ali, Eunus S.
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Flinders Univ S Australia, Coll Med & Publ Hlth, Adelaide, SA, AustraliaTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Ali, Eunus S.
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Sharifi-Rad, Javad
Martorell, Miquel
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Univ Concepcion, Fac Pharm, Dept Nutr & Dietet, Concepcion 4070386, ChileTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam
Martorell, Miquel
Mubarak, Mohammad S.
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Univ Jordan, Dept Chem, Amman 11942, JordanTon Duc Thang Univ, Lab Theoret & Computat Biophys, Ho Chi Minh City 700000, Vietnam