2008,Vol.29,No.104044052008,Vol.29,No.10Table1AdvantagesanddisadvantagesofmanymethodsforextractingRNAFig.1Effectsofdifferentyeastconcentrationonimpurityremoval2008,Vol.29,No.10406Fig.2EffectsofdebitteringagentandtimeonelectricalconductivityandpHFig.3ResultsofimpurityremovalanddebitteringoffourkindsofwastebeeryeastpasteTable2Orthogonaltestdesignandresults4072008,Vol.29,No.10Table3Interactionanalysisontwofactors