Food Test

B10L0G Y : Food TESTS Benedict'sTest:Testforreducingsugar 1. 2cm3ofBenedictsolutionto2cm3ofliquidsample. duringprac2. Shakethoroughly. -takefromHWtap. 3.Heatinhotwaterbathfor5minutes. Results conclusion NOTES!! remain absentblue Alwaysswirlthecontainerbeforecollectinganyliquidsample green/yellowtraces/ suringeswillbeprovidedforcollectionoffoodsamples. ppt smallamts DoNOTmeasurereagentswithsyringes.Estimatethevolumebythe height. Leg. 2cm3ofXsol.to2->depthof2cm)orangepptmoderate Brick-red largeamt DDT BiuretTest:Testforprotein oldSyllabus: NewSyllabus: 1. 1 cm3ofNaOHto2cm3liquidsample1. 2cm3ofBiuretsolutionto2cm3ofliquidsample 2.Shakethoroughly 2. Shakethoroughly. 3.1%CuSOpdropbydrop. 4.Shakeaftereachdrop. Results conclusion remain absentblue violet concentrationpresent EthanolEmulsionTest:Testforfats -1. 2cm3OHto2cm3sampleenablesfatstodissolvedueto IodineTest: Testforstarch itsinsolubility. 2.Shakethoroughly ↓ solidsample Liquidsamplecausescloudywhiteemulsion. 3.2cm3ofdistilledwater 1.Fewdropsofiodineu fewdropsofiodinesolutionto solutiontosolid 1cm3ofliquidsample sample ORu fewdropsofiodinesolutionto Resultsconclusion liquidsampleonWHITETILE clear absent Resultsconclusionliquid remainsemulsionpresent absent turns blue-blackpresent