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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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