<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "POTENSI ANTIOKSIDAN EKSTRAK ETANOL PROPOLIS (EEP) LEBAH \r\nMADU (Trigona sp) DI INDONESIA"^^ . "ABSTRACT\r\nThe aim of this study was to investigate antioxidant activity, total phenolic compounds, flavonoids and \r\nidentification of active compounds with Liquid Chromatography-Mass Spectrometry (LC / MS) of propolis \r\nfrom three regions of Indonesia with methods of extraction. Stingless bee (Trigona sp) propolis from Bintan, \r\nLampung, and Makassar was obtained by maceration extraction with ethanol solvents. Antioxidant activity \r\nwas measured by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method. Total phenolic and flavonoid contents \r\nwere analyzed by Folin-Ciocalteu colorimetric and aluminum chloride (AlCl3) methods. Identification of \r\nsecondary metabolite extracts was performed by phytochemical screening indicating the presence of alkaloid, \r\nflavonoid and polyphenol showed positive result on propolis ethanol extract from Bintan, Lampung and\r\nMakassar, while the saponin compounds showed positive result on ethanol extract propolis from Makassar. \r\nThe result showed obtained values of 158.81 mgGAE/g and 6.16 mgQE/g from Bintan, 327.86 \r\nmgGAE/g and 17.08 mgQE / g from Lampung while from Makassar it was valued at 46 mgGAE/g \r\nand 10,64 mgQE/g. Ethanol propolis extract potentially as an antioxidant which is categorized as \r\nmoderate with an IC50 value of 109.14 ppm from Bintan and 130,328 ppm from Lampung, while from \r\nMakassar is categorized as weak with an IC50 value of 173,545 ppm. As many as 21 compounds from \r\nBintan were identified, 33 compounds from Lampung and 36 compounds from Makassar that played \r\nan active role as antioxidants, one of which was quercetin, luteolin, genistein, and mangiferin.\r\nKeywords : Propolis Trigona sp, Antioxidants, DPPH, LC-MS"^^ . "2020-11" . . "Universitas Pakuan"^^ . . . "Kimia, Universitas Pakuan"^^ . . . . . . . . . . . . . . . . . "Siti"^^ . "Warnasih"^^ . "Siti Warnasih"^^ . . "Ade"^^ . "Heri Mulyati"^^ . "Ade Heri Mulyati"^^ . . "Hanis"^^ . "Nur’Alawiah"^^ . "Hanis Nur’Alawiah"^^ . . "Universitas Pakuan"^^ . . . "Fakultas MIPA"^^ . . . "Kimia"^^ . . . . . . "HTML Summary of #2228 \n\nPOTENSI ANTIOKSIDAN EKSTRAK ETANOL PROPOLIS (EEP) LEBAH \nMADU (Trigona sp) DI INDONESIA\n\n" . "text/html" . . . "Kimia"@en . .