Watermelon, Also Known as Arbuz
David Janitzek
2026-03-19
2 min. read
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„Melon” or „aquatic pear” is an edible fruit, whose edible part is the fleshy and sweet interior, rich in simple sugar (glucose, fructose, and sucrose) and water. The interior is characterized by a high content of potassium, which is essential for the healthy functioning of the human body as it supports the work of the circulatory system. Additionally, it contains a small amount of calcium, magnesium, iron, phosphorus, and sodium, making it a valuable source of trace elements for the body. The innocent-looking fruit is also an important source of antioxidant substances for the body, including blood carotenoids (liquid, beta-otene), amino acids C and A, which slow down the aging process of cells, improve blood circulation, and reduce oxygen in the body. Melon is a good component of meals for athletes and people with high blood pressure, as it contains citrulline, a non-protein amino acid, which converts in the body into L-arginine, an amino acid that increases the nitric oxide level in the blood. This causes the dilation of blood vessels, supports the regeneration of the body, and lowers blood pressure. Furthermore, melon has diuretic properties, making it recommended for people with kidney diseases and urinary tract infections.
Nutritional composition of watermelon – essential vitamins and trace minerals with health-promoting properties
The edible portion of watermelon comprises a succulent, sweet flesh abundant in readily absorbable simple carbohydrates—namely glucose, fructose, and sucrose—as well as a substantial water content, rendering it an exceptional hydrating food source. Notably, it exhibits an elevated potassium concentration, a critical electrolyte indispensable for maintaining cardiovascular function, including heart rhythm regulation and fluid balance homeostasis. Additionally, the flesh contains trace amounts of other essential macro- and micronutrients, such as calcium (vital for skeletal integrity), magnesium (which modulates neuromuscular activity), iron (necessary for oxygen transport via hemoglobin), phosphorus (involved in ATP synthesis and energy metabolism), and sodium (which sustains electrolyte equilibrium). Of paramount importance, watermelon serves as a rich reservoir of bioactive antioxidant compounds, including carotenoids (particularly lycopene—a potent antioxidant with demonstrated protective effects against cellular and vascular damage) alongside vitamins C and A, which counteract oxidative stress by scavenging free radicals, mitigating tissue aging, and preventing the peroxidation of low-density lipoprotein (LDL) cholesterol. Owing to its citrulline content—a non-proteinogenic amino acid metabolized into L-arginine—watermelon enhances nitric oxide synthesis, a molecule with well-documented vasodilatory properties that improve circulation, lower arterial pressure, and accelerate muscle recovery, thereby conferring significant dietary benefits for athletes. Furthermore, the inherent diuretic properties of watermelon facilitate the prevention and adjunctive management of renal disorders, urinary tract infections, and edematous conditions by promoting the elimination of metabolic waste and excess fluids from the body.
Does watermelon even contain meaningful calories? A detailed breakdown of its nutritional profile
The energy content of 100 grams of watermelon flesh amounts to just 36 kilocalories, with the predominant macronutrient being simple carbohydrates (8.1 g), whereas protein and fat contributions are virtually negligible—approaching zero levels.
Watermelon: Versatile Culinary Applications and Gastronomic Uses
Watermelon is not limited to dessert preparations but can be incorporated into a diverse array of culinary creations, including fruit salad compositions enhanced with fresh mint, homemade granita (achieved by freezing the pulp and blending it with mint leaves and freshly squeezed lemon juice), as well as pairings with bold-flavored cheeses such as Greek feta or marinated olives. Nevertheless, in most instances, watermelon is consumed as a standalone, refreshing snack—particularly during summer heatwaves, when its juiciness and sweet-tart profile provide an ideal complement to daily nutrition.