Jujube, raw

Jujube (Ziziphus jujuba) is a small drupe fruit belonging to the buckthorn family (Rhamnaceae) that has been cultivated for millennia across Asia, particularly in China, Korea, and parts of the Middle East. Historically known as the Chinese date or red date, jujube has a rich cultural significance in traditional cuisines and herbal practices. Its earliest documented use traces back over 7,000 years in Chinese agricultural records, where it was prized both for its flavor and purported health benefits. Today, jujube cultivation has expanded to many temperate regions worldwide, with notable production in China, Iran, India, and recent farms in the United States and Europe. Botanically, jujube trees are deciduous shrubs or small trees that bear smooth‑skinned fruits varying in color from green when unripe to reddish‑brown or deep red upon full maturity. The fruit’s shape ranges from oblong to oval, typically 2–3 cm in diameter, with crisp flesh when fresh that becomes chewier and sweeter as it dries naturally on the tree. The pit inside is hard and similar to an olive stone, often used in traditional medicine formulations. There are numerous jujube varieties cultivated for specific traits. Fresh eating types such as 'Li' and 'Lang' are favored for their sweet, apple‑like texture and crispness. Processing varieties, often smaller and with higher sugar content, are preferred for drying, teas, and traditional snacks. Some specialty cultivars are bred for cold tolerance or disease resistance to support commercial production in non‑native climates. In addition to fresh fruit, jujube is processed into dried snacks, powders, syrups, and teas. Dried jujube, commonly found in Asian markets, is intensely sweet and denser in calories compared to fresh fruit. Traditional beverages, like Korean jujube tea (daechu‑cha), highlight the fruit’s aromatic and sweet profile, often enhanced by simmering with other herbs or nuts. Jujube’s popularity extends beyond culinary uses into cultural rituals and traditional health practices. In Traditional Chinese Medicine (TCM), jujube is considered a superior tonic for nourishing blood, calming the mind, and supporting the digestive system. While the scientific mechanisms are still being researched, modern studies have identified various bioactive compounds—such as polysaccharides, polyphenols, and flavonoids—in jujube tissues that contribute to its antioxidant and physiological effects. These compounds vary in concentration between fresh, dried, and processed forms, impacting both taste and functional properties. Fresh jujube’s high water content differentiates it from the dense sweetness of dried fruit, influencing its glycemic impact and nutrient profile.

The nutrient profile of raw jujube is distinctive compared to many other fresh fruits. A 100 g serving provides 79 kcal, primarily from carbohydrates (20.23 g), with modest contributions from protein (1.2 g) and minimal fats (0.2 g)—making this fruit a low‑calorie and nutrient‑dense option. By weight, raw jujube contains approximately 77.86 g water, which helps support hydration and gives the fresh fruit its crisp texture. Data from USDA FoodData Central. In terms of micronutrients, raw jujube is particularly rich in vitamin C (69 mg per 100 g), a potent antioxidant that supports immune function and collagen synthesis. This amount can contribute a substantial portion of daily vitamin C needs in a single serving. Jujube also provides essential minerals, including potassium (250 mg), which helps regulate fluid balance and blood pressure, and modest amounts of calcium (21 mg) and iron (0.48 mg), contributing to bone health and oxygen transport, respectively. While dietary fiber values are not reported directly in USDA legacy data for raw jujube, related sources indicate that both fresh and dried jujube contain fiber that supports digestive health and can moderate blood sugar absorption. Compared to other fruits like apples or pears, raw jujube’s carbohydrate profile is skewed toward natural sugars naturally present in the fruit’s flesh, but the water and fiber content help attenuate rapid glucose spikes. When comparing jujube to similar fruits like dates or figs, raw jujube is substantially lower in calories and sugar due to its higher water content. For example, dried dates can contain over 250 kcal per 100 g due to concentrated sugars; in contrast, fresh jujube at 79 kcal per 100 g is a lighter option that still delivers significant micronutrients. Even among fresh fruits, its vitamin C concentration is noteworthy—comparable or higher in some measures than citrus fruits on a gram‑for‑gram basis. It’s also valuable to consider the phytochemical profile beyond classical vitamins and minerals. Jujube contains bioactive compounds such as flavonoids and phenolic acids, which contribute to antioxidant capacity. These plant compounds are linked to scavenging free radicals and mitigating oxidative stress—a property under investigation for health effects across different systems. The presence and concentration of these compounds can also vary with ripeness and postharvest handling, with some processing methods like drying increasing certain bioactive concentrations. Overall, raw jujube’s nutrition profile positions it as a fruit that delivers hydration, immune‑supporting vitamins, and essential minerals in a relatively low‑calorie package. Understanding these specific nutritional elements helps inform its inclusion in dietary patterns focused on nutrient density and metabolic support.

Source: USDA FoodData Central (FDC ID: 168151)