Calories in Olallieberry: Nutritional facts for Olallieberry Types

One hundred grams (3.5 oz) of raw olallieberries contains 40 calories.

One kilogram (1,000 g or 35.3 oz) of raw olallieberries contains 400 calories.

One single large olallieberry fruit weighing roughly 5 g (0.17 oz) contains 2 calories. A 17 g (1 tbsp) serving of Linn's Olallieberry Preserves contains 30 calories. A 15 g (1 tbsp) serving of Knott's Berry Farm Olallieberry Jam provides 50 calories.

Olallieberries provide some health benefits like supporting immune function and promoting digestive regularity due to their high concentration of Vitamin C and dietary fiber. This fruit, frequently called "King of the Blackberries," "California blackberry," or simply "olallie," is a hybrid berry known for its sweet-tart flavor. A list of the health benefits of olallieberry is shown below.

• Boosts Immune System: A 100 g (3.5 oz) serving provides 21 mg of Vitamin C, fulfilling 23% of the Daily Value (DV). A study by Carr and Maggini (2017), "Vitamin C and Immune Function," confirms that Vitamin C supports various cellular functions of both the innate and adaptive immune systems.
• Promotes Digestive Health: The 5.3 g of dietary fiber per 100 g (3.5 oz) serving supports regular bowel movements and gut microbiome balance. Research by Anderson et al. (2009), "Health benefits of dietary fiber," highlights the role of fiber in preventing constipation.
• Provides Antioxidant Protection: Olallieberries contain anthocyanins, which help neutralize free radicals and reduce oxidative stress.
• Supports Heart Health: The fiber and potassium content help regulate cholesterol levels and blood pressure.
• Aids in Weight Management: The low calorie density of 40 calories per 100 g (3.5 oz) allows for volume consumption without excessive energy intake.
• Enhances Skin Health: Vitamin C is essential for collagen synthesis, which maintains skin elasticity and wound healing.
• Regulates Blood Sugar: The fiber content slows the absorption of sugar into the bloodstream, preventing rapid insulin spikes.

Olallieberry has been known to cause some unwanted effects like digestive discomfort and potential allergic reactions due to its high fiber and salicylate content. A list of the downsides of olallieberry is shown below.

• Triggers Digestive Issues: Consuming large quantities of the fiber-rich seeds can lead to bloating, gas, and abdominal cramping in sensitive individuals.
• Potential for Salicylate Sensitivity: Like other berries, olallieberries contain natural salicylates which can cause reactions in individuals with aspirin intolerance.
• Dental Seed Impaction: The numerous small seeds can get stuck between teeth or in dental work, causing irritation.
• Staining: The deep purple juice of the berry can stain teeth, skin, and clothing.
• High Sugar in Processed Forms: Jams, pies, and syrups often contain significant added sugars, reducing the nutritional benefits.

Yes, olallieberry is good for you because it delivers 23% of the DV for Vitamin C and 19% of the DV for dietary fiber in every 100 g (3.5 oz) serving. Healthy individuals should consume 100 g (3.5 oz) to 150 g (1 cup) of fresh or frozen berries per day to gain immune and digestive benefits. The major benefits include the reduction of oxidative stress through anthocyanins and the support of gut health. It is an ideal nutrient-dense fruit for those seeking high fiber intake with low calories.

The calories in olallieberries change based on the processing method and the addition of sweeteners. Fresh and frozen olallieberries contain 40 calories per 100 g (3.5 oz) because they retain their natural water content. Processed forms show a significant increase; olallieberry jam contains approximately 260 calories per 100 g (3.5 oz) due to the high concentration of added sugar. Pie fillings generally contain around 220 calories per 100 g (3.5 oz) because of the added starch thickeners and sweeteners required for baking stability.

There are no main dishes that use olallieberry as a primary cooking ingredient on mainstream restaurant menus. The berry's fragile structure and intense tartness make it unsuitable for savory protein preparations, and it is almost exclusively consumed as a dessert or breakfast condiment.

The origin of the olallieberry is the United States, specifically the breeding program of the USDA-ARS at Oregon State University. It was developed in 1949 by George F. Waldo as a cross between the Loganberry and the Youngberry, both of which are themselves blackberry-raspberry hybrids. The name "olallie" is derived from the Chinook Jargon word for "berry."

Although developed in Oregon, the berry found its ideal growing conditions in California, where it was first released commercially in 1950. It thrived in the temperate coastal climate, becoming a signature crop for family farms in the region. Unlike more robust commercial blackberries, the olallieberry is too fragile for long-distance shipping, which has kept its consumption localized to the West Coast. Today, it remains a beloved specialty fruit, primarily available through "u-pick" farms and local markets during its short summer harvest season.