Explain the function of an emulsifier. Relate your explanation to your observation in the emulsification test. Samples used: Test tube 1: 1 mL coconut oil + 5 drops 0.1% bile salt solution Test tube 2: 1 mL coconut oil + 5 drops H2O + tiny crystal of cholesterol Test tube 3: 1 mL olive oil + 5 drops 1% aqueous solution of lecithin

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