Practice question
A researcher is developing an intermediate moisture fruit bar with long shelf stability without refrigeration. The formulation includes high sugar, humectants, and mild acidification. Which of the following statements are correct? I. High sugar concentration lowers water activity without eliminating total moisture content. II. Humectants like glycerol bind free water and reduce microbial availability of water. III. Intermediate moisture foods always require sterilization before packaging. IV. Acidification enhances microbial stability by lowering intracellular pH of spoilage organisms.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II and IV only✓
- 2I and III only
- 3II and III only
- 4I, II, III and IV
Correct answer
I, II and IV only
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