Muskmelon (Cucumis melo), commonly known across regional varieties as cantaloupe or sweet melon, is a ribbed, netted melon prized for its fragrant musk aroma, succulent salmon-orange flesh, and superior hydration properties. When analyzing muskmelon nutritional value per 100g, raw fresh muskmelon yields approximately 34 calories, 8.2 grams of total carbohydrates, and over 90% water content, categorizing it as an exceptional low-energy-density, high-volume whole food for weight management, fat-loss protocols, and summer hydration. A standard dietary serving—regularly logged as 1 cup of diced muskmelon (approx. 160 grams)—delivers roughly 54 calories and 13.1 grams of total carbohydrates, providing profound fullness and micronutrient density for minimal caloric intake.

Carbohydrate Composition, Natural Sugars & Glycemic Load

The energy in ripe muskmelon is derived primarily from naturally occurring fruit sugars paired with gentle dietary fiber. A 1-cup diced serving supplies roughly 12.6 grams of natural sugars—consisting of a natural blend of sucrose, glucose, and fructose—alongside 1.4 grams of dietary fiber. While muskmelon has a moderate-to-high glycemic index (GI ~65 to 70) due to rapid gastric clearance and liquid volume, its glycemic load (GL) per typical portion is very low (~4 to 5). Because the fruit is over 90% water, the total carbohydrate mass consumed per serving remains small, preventing significant blood glucose spikes in healthy individuals when eaten in standard whole-fruit portions.

Beta-Carotene & Provitamin A Potency

The intense orange flesh of muskmelon signals one of the highest concentrations of provitamin A carotenoids found in any culinary fruit:

• Provitamin A & Beta-Carotene: A single cup delivers approximately 270 µg RAE of bioavailable Vitamin A (supplying over 3,000 µg of beta-carotene), meeting nearly 30% of the daily value (DV). Beta-carotene functions as a vital fat-soluble antioxidant and enzymatic precursor to retinol, promoting corneal moisture, low-light photoreceptor regeneration in the retina, and mucosal tissue integrity.

• Vitamin C (Ascorbic Acid): Providing 36.7 mg per 100g and nearly 58.7 mg per cup, muskmelon delivers roughly 65% of the recommended daily intake (RDI). Ascorbic acid accelerates white blood cell phagocytosis, neutralizes lipid peroxides, and stimulates endogenous collagen biosynthesis to maintain skin elasticity and joint cartilage.

• Potassium & Cellular Electrolyte Balance: Muskmelon supplies 267 mg of potassium per 100g (over 427 mg per cup), making it a powerful natural electrolyte source that helps flush excess dietary sodium, regulate intracellular osmolarity, and support healthy vascular muscle dilation.

Superoxide Dismutase (SOD) & Cardiovascular Protection

Muskmelon is one of the few natural botanical sources rich in superoxide dismutase (SOD), an endogenous primary antioxidant enzyme that dismantles superoxide free radicals into oxygen and hydrogen peroxide before cellular damage occurs. Together with active bioflavonoids, lutein, and zeaxanthin, regular dietary inclusion of whole muskmelon helps reduce systemic oxidative stress, supports healthy arterial blood pressure, and promotes kidney filtration efficiency.