Phenolic content and antibacterial properties of various extracts of gambir (Uncaria gambir Roxb) - Pambayun, Rindit; Department of Agricultural Technology, Faculty of Agriculture Sriwijaya University Jalan Palembang Prabumulih, Km. 32 Indralaya OKI (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2007)