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      Question

      Enzyme responsible for converting pectin into pectic

      acid is:
      A Pectinase Correct Answer Incorrect Answer
      B Protopectinase Correct Answer Incorrect Answer
      C Pectic Methyl Esterase (PME) Correct Answer Incorrect Answer
      D Polygalacturonase Correct Answer Incorrect Answer

      Solution

      PME removes methoxyl groups from pectin, forming pectic acid and methanol. This action is critical in cell wall softening during ripening and juice clarification.

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