Emulsion test for lipids

Emulsion test for lipids

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This image is part of the sequence science and technology: emulsion test for lipids

Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Emulsion test for lipids. Image 3 of 3. The food to be tested is broken up into small pieces, mixed with pure ethanol, and shaken. Any lipids present will dissolve in the alcohol (ethanol). This top layer is poured off and mixed with water, producing a white emulsion (top) if lipid droplets are present. If the mixture remains clear, no lipids are present. For a sequence of images of this test, see: C016/3899, C016/3900, and A700/0207.

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