Raspberries, raw

Raspberries (scientifically known as Rubus idaeus) are tender berries characterized by their bright red color, delicate texture, and sweet‑tart flavor. Botanically, raspberries are not a single fruit but a cluster of small individual drupelets that form together on a hollow core, a structure that distinguishes them from similar berries like strawberries. Historically, raspberries have grown wild across Europe and parts of Asia for thousands of years and were cultivated as a food source in ancient civilizations long before modern agriculture refined cultivars for flavor, yield, and shelf stability. Today, raspberries are farmed commercially in many parts of the world, including the United States, Canada, the United Kingdom, and Chile, and are enjoyed fresh, frozen, or processed into jams, sauces, and beverages. There are several varieties of raspberries, broadly grouped by color and harvest season. The most familiar red raspberry (Rubus idaeus) is prized for its high antioxidant content and balanced flavor profile. Golden raspberries are a naturally occurring mutation of red raspberries and are sweeter with lower anthocyanin content, giving them a yellow‑gold hue. Black and purple raspberries, though less common, are distinct species or hybrids with flavor and nutrient differences; black raspberries, for example, typically contain a more intense anthocyanin profile. These varieties grow on perennial canes, which produce fruit on second‑year wood, meaning growers must manage cane cycles for optimal production. Wild raspberries historically provided critical nutrition to indigenous peoples, birds, and wildlife. In many cultures, raspberries have also held symbolic meaning in art and folklore, representing kindness and abundance. Modern cultivation practices emphasize controlled irrigation, pest management, and harvest timing to maximize berry quality. Because the fruit is fragile, raspberries are often hand‑picked to prevent bruising and are best enjoyed soon after harvest. Their delicate nature makes them a seasonal treat in many regions, with prime harvests typically occurring in late spring through early summer, depending on climate and variety.

The detailed nutrient profile of raw raspberries reveals why they are considered a nutrient‑dense fruit relative to their low calorie content. A standard serving of 1 cup (123 g) provides 64 calories while supplying substantial dietary fiber (8 g), which accounts for about 29% of the daily value for fiber. This fiber content is among the highest of common fruits on a per‑calorie basis and is largely composed of fermentable soluble fibers and non‑fermentable components that benefit digestive regularity and gut microbiota balance. Carbohydrates dominate the macronutrient content, contributing around 14.7 g per serving, but only 5.4 g are sugars, with the remainder composed of complex carbohydrates and indigestible fiber that slow glucose absorption and help stabilize post‑meal blood sugar levels. Protein is modest at 1.5 g, while total fat is minimal at 0.8 g, primarily from healthy unsaturated fatty acids. There is no cholesterol present in fresh raspberries. These macronutrient ratios make raspberries appropriate for a range of eating patterns, including weight management plans where fiber and low caloric density are priorities. Micronutrient levels are notable for vitamin C, with ~26 mg per cup, supplying around 30–36% of the Daily Value, making raspberries a reliable plant source of this antioxidant nutrient that supports immune function and skin health. Raspberries also offer appreciable vitamin K (7.8 mcg) and folate (21 mcg). Among minerals, potassium (186 mg) supports heart function and blood pressure regulation, while manganese (~0.8 mg) acts as a cofactor for bone formation and antioxidant enzymes. Minor amounts of magnesium, phosphorus, iron, and copper contribute to overall nutritional value but are less significant in isolation. Beyond these vitamins and minerals, raspberries contain bioactive phytochemicals, including anthocyanins, ellagic acid, and quercetin, which do not show up in standard nutrient analyses but are studied for their potential health effects. For example, anthocyanins give raspberries their vibrant color and have been studied for anti‑inflammatory and antioxidant properties. Compared to strawberries and blueberries, raspberries generally deliver more fiber per calorie but slightly less overall vitamin C than blueberries, positioning them uniquely for digestive and metabolic health support with a remarkably favorable nutrient‑to‑calorie ratio.

Source: USDA FoodData Central (FDC ID: 167755)