Nexus Biomedika
Vol 1, No 2 (2012): Nexus Biomedika

Perbedaan Kadar Kuersetin pada Propolis Ekstrak Etanol dan Propolis Ekstrak Air

Yulianti, Nurrini Susanti (Unknown)
Prasetyo, Diding Heri (Unknown)
H, Sri Hartati (Unknown)



Article Info

Publish Date
27 Feb 2013

Abstract

Background: Propolis contains flavonoids. One of them is quersetin.  Solvent used is propolis extraction influence quercetin level of the extract. This research aims to determine whether there is a difference of Quercetin Level in Ethanol Extract Propolis and Water Extract Propolis. Methods: This research is an experimental research. Subject of this research is propolis from Gejen RT 3 RW 2, Kerjo, Karanganyar. The samples were carried out by purposive sampling. Concentration of quercetin is determined by using UV-Vis spectrophotometer by Prussian-blue methode. Five samples are made for each extract. The data then analized using unpaired t-test by SPSS 17 for windows. Results: Averages of quercetin level  in this research   are 10,0480±0,53798 µg/mL in Ethanol extract propolis and 1,0440±0,06804 µg/mL in Water Extract propolis with p < 0,05. Conclusions: There are differences in there is a difference of quercetin content in Ethanol Extract Propolis and Water Extract Propolis. Keywords: Propolis, Quercetin level, UV-Vis spectrophotometer, Prussian-blue  

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