Vegetable

Winged Bean Tuber

Health
ScoreA

Winged bean tuber is a starchy root vegetable rich in plant-based protein (11.6g per 100g) and essential minerals, particularly potassium and iron, making it a nutrient-dense staple for sustained energy and cardiovascular health.

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Why Winged Bean Tuber scores 82

Nutrient density33

Protein quality11

Fiber content5

Healthy fats5

Bioactive compounds11

Glycemic impact9

Top nutrients

% Daily Value per ½ cup (85 g)

Copper 131%Thiamin 27%Manganese 20%Zinc 11%Potassium 11%

Nutrition

per_100g

148

Calories

11.6g

Protein

28.1g

Carbs

0.9g

Fat

Fiber

Health benefits

Enhanced muscle maintenance and protein synthesis

strong evidence

High plant-based protein content (11.6g/100g) with complete amino acid profile supports muscle fiber preservation, particularly important for preventing sarcopenia in aging

Cardiovascular health through potassium-rich mineral profile

strong evidence

Elevated potassium (586mg) promotes vasodilation and sodium-potassium pump function, reducing hypertension risk and supporting endothelial function

Iron bioavailability for oxygen transport and mitochondrial function

moderate evidence

Plant-based iron (2.0mg) is enhanced by the tuber's protein matrix and natural vitamin C interactions, supporting hemoglobin synthesis and ATP production

Blood glucose stability and metabolic health

moderate evidence

Complex carbohydrates combined with protein content create a favorable macronutrient ratio that slows gastric emptying and prevents glycemic spikes

Copper and zinc-dependent antioxidant defense

moderate evidence

Zinc (1.39mg) and copper (1.386mg) serve as cofactors for superoxide dismutase and other antioxidant enzymes that combat age-related oxidative stress

Pairs well with

·Pair with dark leafy greens (spinach, kale) because the vitamin C in greens enhances non-heme iron absorption from the tuber's plant-based iron
·Combine with orange vegetables (carrots, sweet potato) because carotenoids and tuber's copper work synergistically in collagen synthesis and vascular health
·Serve with legumes (lentils, chickpeas) because the complementary amino acid profiles create a complete plant protein for optimal muscle maintenance
·Add to broths with bone or vegetable stock because the minerals and proteins create a nutrient-dense liquid that supports joint and gut health

Practical tips

·Best timing: midday
·Select firm tubers without soft spots or sprouting; store in a cool, dark, well-ventilated place (not refrigerated) for up to 2-3 weeks to preserve nutritional integrity
·Boil or steam for 15-20 minutes until tender; avoid prolonged cooking that may leach water-soluble minerals like potassium
·Peel after cooking rather than before to minimize nutrient loss through the skin where mineral density is highest
·Incorporate into soups, curries, or grain bowls rather than consuming alone to enhance mineral bioavailability through fat-soluble pairing with healthy oils
·Purchase from Asian markets or specialty grocers where turnover is faster, ensuring fresher tubers with higher micronutrient retention