Calories in Taro Root: Nutritional facts for Taro Root Types

A 100g serving of raw taro root contains 112 calories, while a 100g serving of cooked taro root without salt provides 142 calories.

One kilogram (1000g) of raw taro root contains 1,120 calories, whereas one kilogram (1000g) of cooked taro root without salt provides 1,420 calories.

A single medium raw taro root (250g) contains 279 calories. Commercial produce options vary, as a serving of Melissa's Produce Taro Root (85g or 3oz) contains 90 calories, while a serving of Frieda's Taro Root (85g or 3oz) provides 110 calories.

The nutritional profile of taro root offers distinct advantages derived from the dense concentration of fiber, vitamins, and resistant starch in the corm. A summary of these positive attributes is outlined below.

• Supports Digestive Health: The root serves as an excellent source of dietary fiber and resistant starch, which escape digestion and ferment in the colon to feed beneficial bacteria. A review by Birt, D. F., et al. (2013), "Resistant starch: health benefits and food applications," confirms that resistant starch acts as a prebiotic, improving colonic health and potentially reducing the risk of colorectal cancer.
• Regulates Blood Pressure: Taro contains significant levels of potassium, an electrolyte essential for fluid balance and vasodilation. A study by Weaver, C. M. (2013), "Potassium and health," indicates that adequate potassium intake is crucial for offsetting the hypertensive effects of sodium and maintaining cardiovascular stability.
• Provides Antioxidant Protection: The vegetable contains polyphenols, including quercetin and anthocyanins (in purple varieties), which combat oxidative stress. A study by Brown, A. C., et al. (2005), "The anti-cancer effects of poi (Colocasia esculenta) on colonic adenocarcinoma cells in vitro," suggests that bioactive compounds in taro possess antiproliferative properties that may support cellular health.

The consumption of taro root presents specific health risks if the vegetable is not prepared correctly due to natural toxins. An analysis of these potential health liabilities is provided here.

• Presence of Calcium Oxalate: Raw taro contains needle-like calcium oxalate crystals (raphides) which cause severe irritation to the mouth and throat if ingested. A study by Iwuoha, C. I., & Kalu, F. A. (1995), "Calcium oxalate and physico-chemical properties of cocoyam (Colocasia esculenta and Xanthosoma sagittifolium) tuber flours as affected by processing," confirms that thorough processing, such as boiling or roasting, is necessary to reduce the concentration of oxalates and eliminate acridity. A safer alternative for raw consumption is jicama. A suggested amount is to limit consumption to one cup (150g) of thoroughly cooked root per day.
• High Carbohydrate Density: The root is energy-dense and high in carbohydrates, which can impact blood glucose management if portion sizes are unregulated. A study by Atkinson, F. S., et al. (2008), "International tables of glycemic index and glycemic load values: 2008,"classifies boiled taro as having a medium-to-high glycemic index depending on the variety and cooking time.

Yes, taro roots are good for health when cooked properly because the vegetable provides a rich source of complex carbohydrates, fiber, and essential minerals that support energy levels and metabolic function. The vegetable's impact on cardiovascular health is positive due to the high potassium content which aids in blood pressure regulation. A meta-analysis by Aburto, N. J., et al. (2013), "Effect of increased potassium intake on cardiovascular risk factors and disease," found that higher potassium intake reduces the risk of stroke and coronary heart disease. Regarding digestive health, the high concentration of resistant starch promotes a healthy gut microbiome. A study by Simsek, S., & El, S. N. (2015), "In vitro starch digestibility, resistant starch content and antioxidant capacity of cooked taro (Colocasia esculenta)," confirms that cooked taro retains a significant amount of resistant starch, which resists digestion in the small intestine and functions as a prebiotic. For energy metabolism, the root provides B-complex vitamins like thiamin and pyridoxine. A study by Tardy, A. L., et al. (2020), "Vitamins and Minerals for Energy, Fatigue and Cognition," confirms that B vitamins are co-factors in the cellular conversion of food into energy.

The starch density and moisture content determine the calorie count of a taro root variety. Eddoe, the smaller variety, tends to have a slightly higher calorie value at 120 calories per 100 grams, a consequence of a denser concentration of starch and less water compared to larger corms. Dasheen, the large variety, contains a standard calorie value at 112 calories per 100 grams, representing the baseline for the vegetable. Giant Swamp Taro falls in the middle range, while Japanese Araimo remains comparable to Dasheen. Cooking methods involving oil, such as frying for taro puffs, significantly elevate the caloric density regardless of the raw root type.

Taro root contains significantly more calories and carbohydrates than white potatoes but offers a higher fiber content. A nutritional comparison reveals that 100g of raw taro provides 112 calories and 26g of carbohydrates, whereas 100g of raw white potato provides 77 calories and 17g of carbohydrates. The fiber content in taro is approximately double that of a potato, providing over 4g per serving compared to 2g in the potato. The glycemic index of boiled taro is generally lower than that of baked potatoes, making the former a more complex carbohydrate source despite the higher energy density.

Yes, taro root is a starchy vegetable classified botanically as a corm, which is a swollen underground stem used by the plant for storage. The plant, Colocasia esculenta, belongs to the Araceae family. Culinary definitions categorize the corm as a root vegetable or tuber, similar to potatoes and yams, due to the growth habit and nutritional composition rich in starch and fiber.

Preparing taro root for cooking requires peeling the thick, hairy skin and thoroughly cooking the flesh to eliminate calcium oxalate crystals. The raw vegetable contains these needle-like crystals which cause intense itching and irritation to the skin and throat. Handling the raw root with gloves prevents skin irritation. Boiling, steaming, frying, or baking the root breaks down the toxins, making the vegetable safe for consumption.

The origin of taro root traces back to Southeast Asia and India, where the plant was domesticated over 9,000 years ago, making the crop one of the oldest cultivated plants in human history. The species Colocasia esculenta spread from the Indo-Malayan region to the Pacific Islands, where the root became a foundational staple crop for Polynesian cultures. Ancient migration routes carried the vegetable to Africa and the Mediterranean, establishing the tuber as a critical food source in tropical and subtropical regions globally.