Can anyone tell me the pH of apple skin?

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Can anyone tell me the pH of apple skin?

I need to know the pH of apple skin (not the flesh) and I cannot seem to find it anywhere. If you know it or can direct me to where I can learn more that would be appreciated. Thanks!

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Nizar Matar

The pH of the apple skin is not a constant value but a range which may vary due to several factors. It will be within a range from 3.7 to 4.7 indicating weak acidity .

This old paper gives the range in page 4 and my advice is to see the whole paper page by page:

Article Cation, Organic Acid, and pH Relationships in Peel Tissue of...

Hillary Lipesa

Just test for its PH, it should not be hard.

Maria Rosaria Dacierno

go to università di napoli federico II dipartimento di agraria prof. luigi frusciante