Antioxidant Content, Antioxidant Activity, and Antibacterial Activity of Five Plants from the Commelinaceae Family

Antioxidants
Joash Ban Lee TanSui Mae Lee

Abstract

Commelinaceae is a family of herbaceous flowering plants with many species used in ethnobotany, particularly in South America. However, thus far reports of their bioactivity are few and far between. The primary aim of this study was to quantify the antioxidant and antibacterial activity of five Commelinaceae methanolic leaf extracts. The antioxidant content was evaluated by the total phenolic content (TPC), total tannin content (TTC), and total flavonoid content (TFC) assays. The antioxidant activities measured were DPPH free radical scavenging (FRS), ferric reducing power (FRP), and ferrous ion chelating (FIC); of the five plants, the methanolic leaf extract of Tradescantia zebrina showed the highest antioxidant content and activity, and exhibited antibacterial activity against six species of Gram-positive and two species of Gram-negative bacteria in a range of 5-10 mg/mL based on the broth microdilution method.

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Citations

Oct 17, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Rebeca García-VarelaGuy A Cardineau
May 19, 2020·Natural Product Research·Renato Fernando MenegazzoAna Daniela Lopes
Oct 31, 2017·Evidence-based Complementary and Alternative Medicine : ECAM·Shuaibu Babaji SanusiMuhammad Murtala Mainasara
Feb 11, 2021·Pharmaceutics·Umile Gianfranco SpizzirriDonatella Restuccia

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