Produce
Prunes (Pitted) Conversion
Prunes (Pitted) weighs 174g per US cup.
| Amount | Grams | Ounces |
|---|---|---|
| 1 cup | 174.0 g | 6.14 oz |
| 1/2 cup | 87.0 g | 3.07 oz |
| 1/4 cup | 43.5 g | 1.53 oz |
| 1 tbsp | 10.9 g | 0.38 oz |
| 1 tsp | 3.6 g | 0.13 oz |
| 100 g | 100.0 g | 3.53 oz |
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Pitted prunes weigh 174 grams per cup, and while every prune started life as a plum, the reverse isn't true: commercial prune production relies on European plum cultivars (Agen being the classic French variety) bred specifically for a sugar concentration high enough to dry all the way through without the fruit fermenting from the inside out first.
The US prune industry rebranded much of its product as "dried plums" in the early 2000s, largely as a marketing move to shed the word "prune"'s association with a specific and somewhat unglamorous laxative reputation — both terms describe the same product, and the rebrand didn't change anything about the fruit itself, just its label appeal to certain consumers.
That laxative reputation isn't unfounded — prunes are genuinely high in both fiber and sorbitol, a natural sugar alcohol with a well-documented mild laxative effect, which is exactly why prunes and prune juice have long been a home remedy for constipation, a genuine, evidence-supported use rather than just folk wisdom.
Prunes' relatively high natural moisture compared to a drier dried fruit like a raisin means a loosely closed bag is more likely to let them clump together or, in a humid kitchen, develop mold.
Prunes simmered with a cinnamon stick and a strip of citrus zest make a traditional stewed compote, a breakfast staple in several European culinary traditions well beyond just a way to use up a bag before it dries out further.
Pureed prunes are a well-known baking substitute for some of the fat in a recipe, adding moisture and a subtle sweetness while cutting overall fat content, a technique that works particularly well in a chocolate-based baked good where prune's flavor blends in unnoticed.
They're a traditional addition to some savory European braises, particularly with pork, where their sweetness balances a rich, fatty cut of meat in a way similar to how dried apricots are used in some North African tagines.
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Frequently asked questions
Are prunes and dried plums the same thing?
Yes — the US prune industry began marketing prunes as "dried plums" in the early 2000s specifically to move away from prune's dated, laxative-associated image, but it's the identical product under both names.
Why do prunes have a laxative effect?
They're genuinely high in fiber and contain sorbitol, a natural sugar alcohol with a documented mild laxative effect — a real, evidence-supported property, not just folk wisdom, which is why prunes and prune juice are a longstanding home remedy for constipation.
Can any plum be dried into a prune?
In a home dehydrator, technically yes, but a juicy table plum like a Santa Rosa carries too much water and too little natural sugar to dry cleanly at commercial scale the way an Agen or other prune-type plum does.
Are pitted prunes different from prunes with pits still in?
Only in convenience — pitted prunes have had the hard central pit removed for easier eating and cooking, while unpitted prunes retain it, so a recipe or snack situation determines which form is more practical, though the fruit itself is identical either way.
Can prunes be substituted for raisins in baking?
In many recipes, yes, though prunes are larger, softer, and have a deeper, less purely sweet flavor than raisins — often chopped first to more closely match raisins' smaller size and more even distribution through a batter or dough.