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Properties of Lipids - Student Laboratory Kit

by Flinn Scientific

Item #: AP1773

Price: $66.15

In the Properties of Lipids Biochemistry Laboratory Kit, examine the solubility of lipids and use a special "fat stain" to identify them.

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Fats and oils, waxes and cholesterol, steroid hormones and Vitamins A and D—what do these natural products have in common? All of these substances belong to the diverse class of biological compounds called lipids. In this three-part student laboratory kit, students examine the solubility of lipids and use Sudan III—a special “fat stain”—to identify them. Students then perform a test for unsaturation on a variety of seed oils to learn more about the role of saturated, unsaturated, and polyunsaturated triglycerides in nutrition and health. Finally, students extract peanut oil from peanuts using hexane to determine the amount of fat in peanuts. This activity mimics the real-life processes used to study lipids. Students can also compare their results with information provided on the nutritional labels of a variety of food items. Includes reproducible student handouts, detailed background information, Teacher Notes with sample data and answers to all questions, and all necessary chemicals and consumable supplies. Complete for 30 students working in pairs. Perform this experiment in a fume hood or well-ventilated lab.