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...Issn print indian journal of science and technology vol doi ijst vi june online effects solvents extraction methods on herbal plants phyllanthus niruri orthosiphon stamineus labisia pumila nur aqilah kamarudin masturah markom jalifah latip department chemical process engineering faculty built environment universiti kebangsaan malaysia bangi selangor aqilahkamarudin gmail com masturahmarkom ukm edu my school chemistry abstract background objectives are the three herbs listed in malaysian national key economic areas nkea this study was conducted to determine extract yields activities antioxidant cytotoxicity properties statistical analysis cold maceration soxhlet were employed water ethanol v chosen as findings results showed best solvent for all terms yield p o l respectively whilst method same trend observed where gave highest total phenolic content capacity also using application improvements shows that food grade at a certain concentration suitable selected keywords introduction upon...