Muhamad, S. and Mat, A.S.F.Z. 2019. Boiling increase antioxidant activity, total phenolic content and total flavonoid content in Plectranthus amboinicus leaves. GSC Biological and Pharmaceutical Sciences. 6, 3 (Mar. 2019), 024–030. DOI:https://doi.org/10.30574/gscbps.2019.6.3.0023.