PENGARUH PERBANDINGAN ETANOL-AIR SEBAGAI PELARUT EKSTRAKSI TERHADAP PEROLEHAN EKSTAKTIF, KADAR SENYAWA FENOLAT DAN AKTIVITAS ANTIOKSIDAN DARI DAUN JAMBU BIJI (PSIDIUM GUAJAVA LINN.)

Harrizul, Rivai and Hazli, Nurdin and Hamzar, Suyani and Amri, Bakhtiar (2008) PENGARUH PERBANDINGAN ETANOL-AIR SEBAGAI PELARUT EKSTRAKSI TERHADAP PEROLEHAN EKSTAKTIF, KADAR SENYAWA FENOLAT DAN AKTIVITAS ANTIOKSIDAN DARI DAUN JAMBU BIJI (PSIDIUM GUAJAVA LINN.). Working Paper. Fakultas Farmasi. (Unpublished)

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Abstract

Effect of ethanol-water ratio as extraction solvent in gaining of extractive, phenolic content and antioxidant activity in Psidium guajava Linn. leaves have been investigated. The ethanol-water ratio tested were 100:0, 80:20, 70:30, 60:40, 50:50 and 40:60. Results revealed that ethanol-water ratio gave significant effect on extractive obtainability, phenolic content and antioxidant activity (p<0,05). Among the ethanol-water ratio tested, the best result was obtained by ethanol-water ratio 50:50 as extraction solvent for Psidium guajava Linn. leaves. Keywords : Antioxidant, Psidium guajava Linn., extraction solvent, phenolic compounds.

Item Type: Monograph (Working Paper)
Subjects: R Medicine > RS Pharmacy and materia medica
Divisions: Fakultas Farmasi
Depositing User: Operator Repo Unand
Date Deposited: 01 Apr 2016 01:31
Last Modified: 01 Apr 2016 01:31
URI: http://repo.unand.ac.id/id/eprint/2658

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