BIOLOGY 0.0 / 5 ? BiologyFood testsIGCSEAQA Created by: NajeehaCreated on: 17-05-14 16:42 Starch test for Starch: Add a few drops of iodine solution to the sample in a spotting tile yellow-brown blue black No starch is present starch is present 1 of 4 Protein Test for protein Add 2cm of biuret solution to 2cm of each sample pale blue lilac no protein is present protein is present 2 of 4 Lipids test for Lipids Add 2cm of ethanol to 2cm of each sample. Add 2cm of distilled water. Clear solution milky white suspension fat is not present fat is present 3 of 4 Test for Simple sugars Test For Simple Sugars Add 2cm of benedicts reagent to 2cm of each sample and heat the test tube in a hot water bath. blue solution brick red precipitate no simple sugars are present simple sugars are present 4 of 4
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