Food tests
- Created by: Remya Salimkumar
- Created on: 14-05-15 12:20
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- FOOD TESTS
- STARCH
- few drops of iodine
- Brown to blue/black
- few drops of iodine
- REDUCING SUGAR
- Benedict's solution and heat to 80 degrees
- Blue to orange/red
- Benedict's solution and heat to 80 degrees
- NON REDUCING SUGAR
- if reducing sugar test fails
- *boil with HCl *cool *neutralise with sodium carbonate solution
- Benedict's solution and heat to 80 degrees
- Blue to orange/red
- Benedict's solution and heat to 80 degrees
- *boil with HCl *cool *neutralise with sodium carbonate solution
- if reducing sugar test fails
- PROTEIN
- add biuret reagent
- Blue to lilac
- add biuret reagent
- LIPID
- add ethanol to sample in test tube
- pour sample into test tube of water
- milky white emulsion forms
- pour sample into test tube of water
- add ethanol to sample in test tube
- STARCH
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