scholarly journals Comparative study of in vitro antibacterial activity of leaves, bark, heart wood and seed extracts of Caesalpinia sappan L.

2015 ◽  
Vol 5 (11) ◽  
pp. 903-907 ◽  
Author(s):  
Arunkumar Naik Bukke ◽  
Fathima Nazneen Hadi ◽  
Chandramati Shankar Produtur
Keyword(s):  
Antibacterial Activity ◽  
Comparative Study ◽  
Caesalpinia Sappan ◽  
In Vitro Antibacterial Activity ◽  
Seed Extracts

scholarly journals In vitro Antibacterial Activity of Manilkara hexandra (Sapotaceae) Seed Extracts and Violacein against Multidrug Resistant Streptococcus mutans

2015 ◽  
Vol 15 (1) ◽  
pp. 1 ◽  
Author(s):  
Krishna Patel ◽  
Arwa Kaizer Ali ◽  
Nishith Nair ◽  
Vijay Kothari
Keyword(s):  
Antibacterial Activity ◽  
Inhibitory Concentration ◽  
Total Activity ◽  
Multidrug Resistant ◽  
Pyrus Pyrifolia ◽  
Bactericidal Action ◽  
Assisted Extraction ◽  
In Vitro Antibacterial Activity ◽  
Seed Extracts

Extracts of the Pongamia pinnata, Manilkara hexandra, and Pyrus pyrifolia seeds prepared by microwave assisted extraction method, and the violet pigment- violacein extracted from Chromobacterium violaceoum were screened for their antibacterial activity against Streptococcus mutans.M. hexandra extracts were able to inhibit both the test strains of S. mutans used in this study with minimum inhibitory concentration (MIC) ranging from 600-800 µg/mL. These extracts exerted bactericidal action against S. mutans with minimum bactericidal concentration (MBC) of 600-900 µg/mL. Acetone extract of M. hexandra seeds registered highest average total activity of 231.20 mL/g. Extraction efficiency was found to have a moderately good correlation with antibacterial activity. Violacein exerted bactericidal action with MIC and MBC of less than 2 µg/mL against both the strains.

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