Haryoto, Waras Nurcholis, Novian Liwanda, Roni Kartiman, and Syarifah Iis Aisyah. “Optimizing Polyphenol Content and Extraction Methods for Antioxidant Constituents from <i>Portulaca oleracea</I>: Comparing Reflux and Maceration Methods With Various Solvents”. Journal of Natural Remedies 24, no. 8 (August 31, 2024): 1855–1862. Accessed November 7, 2024. https://informaticsjournals.co.in/index.php/jnr/article/view/35407.