Antibacterial and Antifungal Activity of Solanum torvum (Solanaceae)

• Leaves, stem, roots and inflorescence of Solanum torvum Sw. were extracted in two different organic solvents (chloroform & methanol). Antibacterial and antifungal effects of the extracts were tested on fifteen (six Gram positive & nine Gram negative) human  pathogenic  bacteria  and  on  eight  pathogenic  fungi.  Methanolic  extracts  of  roots  of  S.  torvum  exhibited  promising antibacterial  and  antifungal  effects  on  all  organisms  tested  in  comparison  with  that  observed  in  the  leaves,  stems  and inflorescence extracts. The toxicity of the extracts was in the following order; root>stem>inflorescence>leaf. The minimum inhibitory concentration (MIC) values of methanolic extract of roots of S. torvum were in the range between 64-128 µg mL -1 . Chloroform  extracts  of  roots  were  more  toxic  (LC 50  35.4629  ppm)  than  other  extracts  analyzed  in  Brine  shrimp  test.  In conclusion, S. torvum appears to be an attractive material for the development of antimicrobial drugs and environment friendly biopesticides.

Nyckelord

Solanum torvum

Antibacterial

Antifungal activity

Extract

Leaf

Stem

Root

Inflorescence

Solvent

Naturvetenskap

Natural sciences

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