Eggplant (Solanum melongena), widely known as aubergine or brinjal, is a glossy, tear-drop-shaped botanical berry belonging to the nightshade (Solanaceae) family. Culinarily treated as a hearty vegetable across Mediterranean, Middle Eastern, and Asian cuisines, eggplant is prized for its spongy flesh, savory absorption capacity, and deep indigo skin. When evaluating eggplant nutritional value per 100g (raw, unpeeled), it delivers just 25 calories, 5.88 grams of total carbohydrates, and over 92% water content, categorizing it as an exceptional low-energy-density, high-volume whole food for ketogenic diets, fat-loss plans, and metabolic wellness. For a standard dietary portion—regularly logged as one medium whole raw eggplant (approx. 458 grams edible portion)—the nutrient yield equals roughly 115 calories and 26.9 grams of total carbohydrates.

Low Net Carbs, High Dietary Fiber & Glycemic Control

The carbohydrate profile of fresh eggplant is dominated by non-digestible plant fibers rather than simple sugars. A medium 458g eggplant supplies approximately 16.2 grams of natural sugars—balanced primarily between fructose and glucose—alongside an impressive 13.7 grams of dietary fiber (3.0g per 100g). This produces a remarkably low net carbohydrate count of just 2.88 grams per 100g. Eggplant fiber consists of insoluble cellulose and hemicellulose in the skin and porous pulp, which binds bile acids in the intestinal tract to aid cholesterol excretion and support bowel regularity. With an ultra-low glycemic index (GI ~15) and an almost negligible glycemic load (~1 per typical serving), eggplant digests slowly, preventing postprandial blood glucose and insulin spikes.

Nasunin Anthocyanin & Brain Cell Protection

Eggplant is globally recognized for its signature antioxidant concentrated exclusively within its purple peel:

• Nasunin Anthocyanin: The deep purple-black pigmentation is driven by nasunin, a unique anthocyanin bioflavonoid. Nasunin is a potent lipid-peroxidation scavenger that protects the polyunsaturated fatty acid membranes of brain cells from oxidative damage. Furthermore, nasunin functions as an organic iron chelator, binding excess free iron to prevent Fenton-reaction-driven free radical generation and support cellular longevity.

• Chlorogenic Acid: Eggplant is rich in chlorogenic acid, a dominant phenolic compound that exhibits proven antimicrobial, antiviral, and anti-atherosclerotic activities while supporting normal glucose uptake in peripheral tissues.

Essential Micronutrients: Potassium, Manganese & Folate

Eggplant delivers a diverse array of bioavailable daily vitamins and metabolic trace minerals:

• Potassium & Hydration Balance: Providing 229 mg per 100g (and over 1,049 mg in a medium eggplant), this primary intracellular electrolyte aids vascular smooth muscle tone, helps flush excess dietary sodium, and supports healthy arterial blood pressure.

• Manganese: Supplying 0.23 mg per 100g (over 1.06 mg per medium tuber/fruit), eggplant fulfills nearly 46% of the daily value for this trace element, activating mitochondrial superoxide dismutase (Mn-SOD) to neutralize reactive oxygen species.

• Folate (B9) & Vitamin K: Providing 22 µg of folate and 3.5 µg of phylloquinone (Vitamin K) per 100g, eggplant supports nucleic acid synthesis, red blood cell production, and normal blood coagulation cascades.