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Kūmara

Sweet potato
Ipomoea batatas (Sweet Potato) Flower.jpg
Sweet potato in flower in Hong Kong
Ipomoea batatas 006.JPG
Sweet potato roots
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Convolvulaceae
Genus: Ipomoea
Species: I. batatas
Binomial name
Ipomoea batatas
(L.) Lam.
Raw sweet potato
Nutritional value per 100 g (3.5 oz)
Energy 359 kJ (86 kcal)
20.1 g
Starch 12.7 g
Sugars 4.2 g
Dietary fiber 3 g
0.1 g
1.6 g
Vitamins
Vitamin A equiv.
(89%)
709 μg
(79%)
8509 μg
Thiamine (B1)
(7%)
0.078 mg
Riboflavin (B2)
(5%)
0.061 mg
Niacin (B3)
(4%)
0.557 mg
Pantothenic acid (B5)
(16%)
0.8 mg
Vitamin B6
(16%)
0.209 mg
Folate (B9)
(3%)
11 μg
Vitamin C
(3%)
2.4 mg
Vitamin E
(2%)
0.26 mg
Minerals
Calcium
(3%)
30 mg
Iron
(5%)
0.61 mg
Magnesium
(7%)
25 mg
Manganese
(12%)
0.258 mg
Phosphorus
(7%)
47 mg
Potassium
(7%)
337 mg
Sodium
(4%)
55 mg
Zinc
(3%)
0.3 mg

Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database
Sweet potato, cooked, baked in skin, without salt
Nutritional value per 100 g (3.5 oz)
Energy 378 kJ (90 kcal)
20.7 g
Starch 7.05 g
Sugars 6.5 g
Dietary fiber 3.3 g
0.15 g
2.0 g
Vitamins
Vitamin A equiv.
(120%)
961 μg
Thiamine (B1)
(10%)
0.11 mg
Riboflavin (B2)
(9%)
0.11 mg
Niacin (B3)
(10%)
1.5 mg
Vitamin B6
(22%)
0.29 mg
Folate (B9)
(2%)
6 μg
Vitamin C
(24%)
19.6 mg
Vitamin E
(5%)
0.71 mg
Minerals
Calcium
(4%)
38 mg
Iron
(5%)
0.69 mg
Magnesium
(8%)
27 mg
Manganese
(24%)
0.5 mg
Phosphorus
(8%)
54 mg
Potassium
(10%)
475 mg
Sodium
(2%)
36 mg
Zinc
(3%)
0.32 mg

Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database

The sweet potato (Ipomoea batatas) is a dicotyledonous plant that belongs to the family Convolvulaceae. Its large, starchy, sweet-tasting, tuberous roots are a root vegetable. The young leaves and shoots are sometimes eaten as greens. The sweet potato is only distantly related to the potato (Solanum tuberosum) and does not belong to the nightshade family, Solanaceae, but both families belong to the same taxonomic order, the Solanales.

The plant is a herbaceous perennial vine, bearing alternate heart-shaped or palmately lobed leaves and medium-sized sympetalous flowers. The edible tuberous root is long and tapered, with a smooth skin whose color ranges between yellow, orange, red, brown, purple, and beige. Its flesh ranges from beige through white, red, pink, violet, yellow, orange, and purple. Sweet potato cultivars with white or pale yellow flesh are less sweet and moist than those with red, pink or orange flesh.

Ipomoea batatas is native to the tropical regions in the Americas. Of the approximately 50 genera and more than 1,000 species of Convolvulaceae, I. batatas is the only crop plant of major importance—some others are used locally (e.g. I. aquatica "kangkong"), but many are poisonous. The genus Ipomoea that contains the sweet potato also includes several garden flowers called morning glories, though that term is not usually extended to Ipomoea batatas. Some cultivars of Ipomoea batatas are grown as ornamental plants under the name tuberous morning glory, used in a horticultural context.


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Wikipedia

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