Polysorbate 80 (Tween 80) Is a Non-Ionic Surfactant and Emulsifier

question 33

Multiple Choice

Polysorbate 80 (Tween 80) is a non-ionic surfactant and emulsifier (w+x+y+z=19) . A typical application is in ice cream, where it hinders the milk proteins from completely coating the fat droplets. This allows for a firmer texture, which is associated with high quality ice cream. Which of the following statements is true? I) Polysorbate 80 is an ester.
II) Polysorbate 80 has a hydrophilic component.
III) Polysorbate 80 has a hydrophobic component.
IV) Polysorbate 80 forms micelles above its critical micellar concentration.

• A) I and II
• B) II and III
• C) I, II, and IV
• D) all of the above

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