What is the pH of an Onion, and is It Acidic or Alkaline?
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5 min read
Ranging from approximately 5.3 to 5.9, the pH of an onion places it firmly on the slightly acidic side of the scale, though the exact level can fluctuate depending on the variety. This subtle acidity, combined with unique sulfur compounds, is what gives the onion its characteristic flavor and aroma.
