Sweets & Snacks

Is Strawberry Jam Acidic or Alkaline?

Quick answer
Alkaline
PRAL per 100 g
−1.5
Strawberry jam (prepared)

Strawberry jam (prepared) is alkaline: Negative PRAL: alkalizing after digestion.

strongly alkaline neutral strongly acid-forming
Serving
A small serving (40 g)
PRAL per serving
−0.6
Energy
234 kcal per 100 g

Classification

Strawberry jam is slightly alkaline at −1.5 because the fruit contributes potassium, and sugar leaves behind neither acid nor base. In everyday German, Marmelade and Konfitüre usually mean the same thing, so both come in at the same value. A 10 g teaspoon on toast adds not even −0.2. The balance of your breakfast is set by the bread and what's spread underneath.

In the Sweets & Snacks category, strawberry jam (prepared) ranks #24 of 91, sorted from alkaline to acid-forming. More alkaline options include Licorice (−1.8), chocolate hazelnut spread (−1.9), Milk chocolate (−2.1). More acid-forming are White chocolate (−1.5), M&M's Peanut Chocolate Candies (−1.1), Apple strudel (−1.1).

Acidic or alkaline: PRAL, not pH

On this site, acidic and alkaline refer to the PRAL (potential renal acid load). It estimates what a food leaves behind once it has been digested: a positive value is acid-forming, a negative value is alkalizing. That is different from the pH of the food itself: a lemon tastes sour, yet its PRAL is −4.0, so it is alkalizing. Your diet does not change your blood pH. It does change how much acid your kidneys have to deal with.

Goes well with

Frequently Asked Questions

Is strawberry jam acidic?

It depends on what you mean by acidic. The pH describes the food itself, for example how sour it tastes. The PRAL describes what it leaves behind after digestion: Strawberry jam (prepared) has a PRAL of −1.5 per 100 g, so it counts as alkaline in your daily acid-base balance.

How much strawberry jam do I need for a noticeable effect?

A small serving (40 g) of strawberry jam adds −0.6 to your daily balance. For comparison: an egg is around +5.4, a slice of cheese around +6. So one serving of strawberry jam roughly offsets one of them.

Why is strawberry jam alkaline even though it is not a typical alkaline food?

The PRAL depends on the minerals left over after digestion, not on taste or pH. Strawberry jam provides more potassium, magnesium and calcium than phosphorus and protein, so the balance is negative (−1.5).

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Compare all Sweets & Snacks: Sweets & Snacks table. Common questions are answered in Acidic or Alkaline?, and the PRAL calculator adds up a whole meal.

Source: Basentracker food database (PRAL according to Remer & Manz, calculated from protein, phosphorus, potassium, magnesium and calcium per 100 g). This information does not replace medical advice.