Question

A dilute solution of sodium hydroxide is used in…….peeling

A Flash peeling Correct Answer Incorrect Answer
B Lye peeling Correct Answer Incorrect Answer
C Knife peeling Correct Answer Incorrect Answer
D Abrasion peeling Correct Answer Incorrect Answer

Solution

Lye (sodium hydroxide [NaOH]) peeling is the most common method for peeling tomatoes in the Midwest U.S. With the rise in the cost of NaOH and the associated disposal problems, alternative methods for peeling need to be examined. Solutions of NaOH, potassium hydoxide (KOH) and calcium hydroxide (Ca[OH]2) at different concentrations were compared to determine their efficacy as peeling agents.

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