Citation
T., Poh Hwa and Cheah, Yoke Kqueen and J., Indu Bala and Radu, Son
(2011)
Bioprotective properties of three Malaysia Phyllanthus species: an investigation of the antioxidant and antimicrobial activities.
International Food Research Journal, 18 (3).
pp. 887-893.
ISSN 1985-4668; ESSN: 2231-7546
Abstract
The aim of this work was to investigate the antioxidant and antimicrobial of Phyllanthus amarus,
Phyllanthus niruri and Phyllanthus urinaria. P. niruri was found to possess the highest antioxidant activity,
the activity decreased in the order P. niruri > P. amarus > P. urinaria for water extract. However, the activity
decreased in the order P. niruri > P. urinaria > P. amarus for methanol extract. The result correlation between
the antioxidant activity and total phenolic content revealed a positive correlation of 0.954 < r2 < 1.000 for both
water and methanol extract. Methanol extract showed higher total phenolic content and antioxidant activity as
compared with water extract. Lowest Minimum Inhibitory Concentration (MIC) value for water extract against
the selected microorganism was >2.5 mg/mL meanwhile, for methanol extract was <0.625 mg/mL. MBC level
>2.5 mg/mL and >0.625 mg/mL were the value for water and methanol extract. Methanol extract showed better
inhibition potential than water extract.
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