Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=ifra20 Free Radical Research ISSN: (Print) (Online) Journal homepage: https://www.tandfonline.com/loi/ifra20 Proportional coexistence of okanin chalcone glycoside and okanin flavanone glycoside in Bidens pilosa leaves and theoretical investigation on the antioxidant properties of their aglycones Mwadham M. Kabanda , Sefater Gbashi & Ntakadzeni E. Madala To cite this article: Mwadham M. Kabanda , Sefater Gbashi & Ntakadzeni E. Madala (2020): Proportional coexistence of okanin chalcone glycoside and okanin flavanone glycoside in Bidens pilosa leaves and theoretical investigation on the antioxidant properties of their aglycones, Free Radical Research, DOI: 10.1080/10715762.2020.1859107 To link to this article: https://doi.org/10.1080/10715762.2020.1859107 Accepted author version posted online: 02 Dec 2020. Submit your article to this journal Article views: 1 View related articles View Crossmark data