Licayan RI, Rosario RMD, Palmes ND, Canencia OP. Phytochemical Profiles, Total Flavonoids, Total Phenolic Content and Antioxidant Activities Via Free Radical Scavenging Activities (FRSA) of Philippine Herbal Vines. Pak. J. Nutr. 2016;15(2):164–169. doi:10.3923/pjn.2016.164.169