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Everybody recognizes the following terms: additives, preservatives, emulsifiers, stabilizers, thickeners, and no-calorie sweeteners.
This unit allows students to determine the presence of these agents and relate them to the human body. Students will: define and test sugars, lipids, starches, and proteins; investigate the cause of fruit discoloration; relate milk processing to mineral content; detect iodine in salt; test vitamin C qualitatively and quantitatively; identify preservatives in bread and dried fruit; and iron in food.
Includes materials for 24 students — 15 bottles of chemicals and test solutions, 24 test tubes and caps, droppers, and a 64-page teacher’s manual.
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