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A COMPARATIVE ASSESSMENT OF ANTIOXIDANT AND ANTIBACTERIAL PROPERTIES OF FOUR COMMON EDIBLE HERBS OF BANGLADESH
Shams Ara Khan*, Liton Sikder, Md Roich Khan, Muhammad Torequl Islam
ABSTRACT
Edible herbs are important source of nutrients and very common in the daily diet of Bangladeshi people. Hence the present study was undertaken with an overall objective of assessing antioxidant and antibacterial potentials of four common Bangladeshi edible herbs (leafy vegetables). The total phenolic content (TPC), total flavonoid content (TFC) and total tannin content (TTC) of the analyzed herbs ranged from 80.35 to 210.34 mg gallic acid equivalent per 100g dry weight, 110.83 to 220.90 mg quercetin per 100g dry weight and 100.00 to 260.47 mg gallic acid equivalent per 100g dry weight respectively. All the four extracts showed different level of antioxidant activities as evaluated by three in vitro assays such as DPPH radical scavenging, hydrogen peroxide radical scavenging and ferric ion reducing power activity. The results reveled that, Amaranthus viridis showed highest DPPH and hydrogen peroxide radical scavenging (IC50 ~52 μg/ml and ~101 μg/ml respectively) with highest phenol and flavonoid content Keywords: Bangladeshi edible herbs; Antioxidant; TPC; TFC; TTC; DPPH; Hydrogen peroxide; Reducing power; Bacterial strain. [Download Article] [Download Certifiate] |