✦ Starchy energy
✦ Potassium source
✦ Vitamin C
✦ Vitamin B6
Yam is a large starchy tropical tuber, distinct from sweet potato, supplying carbohydrate energy, fibre, potassium, vitamin B6, manganese, and vitamin C. Some varieties have purple flesh rich in anthocyanin pigments.
🍳
Preparation note
Boiling without salt leaches some potassium and vitamin C; keep cook time short and reuse the liquid where possible.
Sources:
CoFID 2021
Where Yam, flesh only, boiled in unsalted water Stands Out
Macronutrients per 100g
504
kJ
Energy
1.60
g
Protein
29.3
g
Carbs
1.40
g
Fibre
0.20
g
Fat
1.90
g
Sugars
0.07
g
Saturates
Vitamins & Minerals
| Nutrient | Per 100g | % Daily Value* | Level |
|---|---|---|---|
| Potassium | 271 mg | 14% | |
| Chloride | 40.0 mg | 5% | |
| Phosphorus | 34.0 mg | 5% | |
| Magnesium | 16.0 mg | 4% | |
| Folate | 6.00 µg | 3% | |
| Vitamin C | 4.00 mg | 5% | |
| Calcium | 3.00 mg | 0% | |
| Selenium | 1.00 µg | 2% | |
| Iron | 0.340 mg | 2% | |
| Zinc | 0.310 mg | 3% | |
| Pantothenic Acid (B5) | 0.310 mg | 5% | |
| Niacin (B3) | 0.200 mg | 1% | |
| Copper | 0.150 mg | 15% | |
| Thiamin (B1) | 0.140 mg | 13% | |
| Vitamin B6 | 0.120 mg | 9% | |
| Manganese | 0.040 mg | 2% | |
| Riboflavin (B2) | 0.010 mg | 1% | |
| Vitamin A (RAE) | 0.000 µg | 0% | |
| Vitamin D | 0.000 µg | 0% | |
| Vitamin B12 | 0.000 µg | 0% | |
| Iodine | 1.00 µg | 1% | |
| Polyunsaturated fat (PUFA) | 0.070 g | — | |
| Trans fat | 0.000 g | — | |
| Sucrose | 1.90 g | — | |
| Cholesterol | 0.000 mg | — | |
| Biotin (Vitamin B7) | 0.300 µg | 1% | |
| Retinol (vitamin A) | 0.000 µg | 0% |
* % Daily Value based on EU Nutrient Reference Values (NRVs). — indicates no EU NRV established.
Primary data source for this entry:
McCance & Widdowson's Composition of Foods Integrated Dataset (CoFID 2021), Public Health England. Source record tag: CoFID 2021.
All values are per 100g fresh weight unless stated.
% Daily Values based on EU Nutrient Reference Values (NRVs) per Regulation (EU) No 1169/2011.
Nutriofia is a research and information resource — nothing on this page constitutes medical advice.
Page generated from Nutriofia database · Argarth Collective Ltd · Company No. 16864945.