Below is a list of instructions for an experiment to test different foodstuffs for the presence of starch. Rewrite the instructions as the method for an experiment you have conducted. Equipment required: potassium iodide crystal, bleach solution, plastic sheet, moistened paper towel Suggestions for foodstuffs for testing: pasta, bread, cereal, potatoes, mushrooms, apple, cheese and cooked chicken. a Place a small piece of each of the foods to be tested on the plastic sheet. b Place a small potassium iodide crystal on top of the piece of food. c Add one drop of bleach solution (sodium hypochlorite solution) and allow it to run over both crystal and food. d if an intense blue-black colour is seen, the food contains starch. e Clean the plastic sheet with a moistened paper towel.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Below is a list of instructions for an experiment
to test different foodstuffs for the presence
of starch. Rewrite the instructions as the method for
an experiment you have conducted.
Equipment required: potassium iodide crystal, bleach
solution, plastic sheet, moistened paper towel
Suggestions for foodstuffs for testing: pasta, bread,
cereal, potatoes, mushrooms, apple, cheese and
cooked chicken.
a Place a small piece of each of the foods to be
tested on the plastic sheet.
b Place a small potassium iodide crystal on top of the
piece of food.
c Add one drop of bleach solution (sodium
hypochlorite solution) and allow it to run over both
crystal and food.
d if an intense blue-black colour is seen, the food
contains starch.
e Clean the plastic sheet with a moistened paper
towel.
Transcribed Image Text:Below is a list of instructions for an experiment to test different foodstuffs for the presence of starch. Rewrite the instructions as the method for an experiment you have conducted. Equipment required: potassium iodide crystal, bleach solution, plastic sheet, moistened paper towel Suggestions for foodstuffs for testing: pasta, bread, cereal, potatoes, mushrooms, apple, cheese and cooked chicken. a Place a small piece of each of the foods to be tested on the plastic sheet. b Place a small potassium iodide crystal on top of the piece of food. c Add one drop of bleach solution (sodium hypochlorite solution) and allow it to run over both crystal and food. d if an intense blue-black colour is seen, the food contains starch. e Clean the plastic sheet with a moistened paper towel.
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