e-ISSN 2231-8542
ISSN 1511-3701

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Antimicrobial Activities of Three Different Seed Extracts of Lansium Varieties

H. Alimon, A. Abdullah Sani, S. S. Syed Abdul Azziz, N. Daud, N. Mohd Arriffin and Y. Mhd Bakri

Pertanika Journal of Tropical Agricultural Science, Volume 22, Issue 2, July 2014

Keywords: Lansium domesticum, antimicrobial activities, inhibition zones

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Lansium domesticum Corr. is a fruit tree of the Meliaceae family, which is commonly found in South-East Asia with a wide range of varieties. This study investigated three varieties of L. domesticum; Duku, Langsat and Dokong for the phytochemical screening and antimicrobial activity. Seeds from the matured fruits were extracted using hexane, methanol and water. The crude extracts were screened for antimicrobial activities toward three bacteria, namely, Pseudomonas aeruginosa, Bacillus subtilis, and Staphylococcus aureus. The findings showed that Langsat seed extracts contained more groups of compounds compared with the other two varieties, and its methanol extract demonstrated the highest inhibition zones against the three bacteria. The crude methanol extract of Duku seeds showed inhibition zones only towards Bacillus subtilis at a high concentration (1.0 mgL-1), whilst the seed extracts of Dokong showed no inhibition zones towards any of the tested bacteria.

ISSN 1511-3701

e-ISSN 2231-8542

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