Intro. to Food lab - shaunab.infoshaunab.info/Biology/Biology_Labs/chap 4/Intro. to Food lab.pdf ·...
Transcript of Intro. to Food lab - shaunab.infoshaunab.info/Biology/Biology_Labs/chap 4/Intro. to Food lab.pdf ·...
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Intro to Identifying Biological Molecules
in Food Lab Pleaseexcusethecorninmyteeth.
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MoreInformationonReducingsugars:
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ComplexCarbohydratesstarches
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Lugols(Iodine)TestsforStarchDont forget to tap the test tubes!
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LipidsTriglycerides
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SudanIVTestforLipids
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Positive
Dont forget to tap the test tubes!
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BrownPaperBagTestforLipids
Intheprocessofdrying
Afterdrying
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Dont forget to tap the test tubes!
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ProteinsPolypeptidesarechainsofaminoacidsheldtogetherbypeptidebonds
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Positive
PURPLECOLORCHANGE
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BiuretTestsforProteinsDont forget to tap the test tubes!