Its skin is rough, dark brown to gray, the interior is white and rich in starch.

According to analysis, it is obtained that the yam contains :

Water (%) 69.6,

Energy (Kcal) 118,

Protein (g) 1.53. . Carbohydrates (g) 27.88. Dietary Fiber (g) 4.1.

Calcium (mg) 17.

Phosphorus (mg) 17 .

Vitamin C (mg) 17.