Q:

What is the pH of orange juice?

A:

Quick Answer

Orange juice has a pH level of 3. According to the pH scale, which measures acidity and alkalinity, anything less than 7 is acidic. Orange juice is acidic because it contains elevated concentrations of citric acid, which is a naturally forming preservative found in all citrus fruits.

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Full Answer

Freshly squeezed orange juice contains approximately 9 grams of citric acid per liter, while commercially processed orange juice contains 17 grams per liter. Freshly squeezed orange juice is also high in Vitamin C and minerals such as potassium, thiamine and folic acid. Consuming acidic foods such as orange juice on a regular basis can aggravate gastrointestinal illnesses, including ulcers and Crohn's disease. The acid in orange juice can also damage tooth enamel over time.

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Related Questions

  • Q:

    What is the pH level of orange juice?

    A:

    The pH level of orange juice falls between pH 3.3 and pH 4.19. The varying range of the pH level is due different orange juice formulations having different levels of certain chemicals, which change the overall pH.

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  • Q:

    What is pH balance?

    A:

    Potential hydrogen, or pH, is the measure of the acidity or alkalinity of an aqueous solution. A solution is acidic if its pH is less than 7. If its pH is greater than 7, the solution is basic or alkaline.

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  • Q:

    How does temperature affect the pH levels of orange juice?

    A:

    Higher temperatures lower the pH levels of orange juice, while lower temperatures have the opposite effect, elevating the pH levels. In simpler terms, pH is a standard scale used to measure the acidity in an aqueous solution; values lower than 7 are regarded as acidic, while values higher than 7 are considered to have high alkalinity. For base comparisons, pure water has a pH level of 7.

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  • Q:

    What is a pH level?

    A:

    The pH level of a substance describes how acidic or basic it is. Substances with a higher pH level are more basic, while substances with a lower pH level are more acidic. A substance with a pH of 7 is considered neutral, neither acidic nor basic.

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