Edible parts
Nuts / seeds as sold
Nutrition per 100 g
Food data (CoFID / USDA). Energy and macros show % RI; vitamins and minerals show % NRV (UK) where a reference exists. Curiosity about the plant — not a diary score.
Reference intake
Reference intake of an average adult (8 400 kJ / 2 000 kcal)
| Nutrient | Per 100 g | % RI |
|---|---|---|
| Energy | 820 kJ / 196 kcal | 10% |
| Protein | 1.63 g | 3% |
| Carbohydrate | 44.2 g | 17% |
| Fat | 1.25 g | 2% |
| Saturated fat | 0.24 g | 1% |
Fibre, fats & omega-3
| Nutrient | Per 100 g |
|---|---|
| Monounsaturated fat | 0.43 g |
| Polyunsaturated fat | 0.49 g |
| Omega-3 (ALA) | 0.05 g |
Vitamins & minerals
| Nutrient | Per 100 g | % NRV (UK) |
|---|---|---|
| Vitamin A | 1 µg RAE | <1% |
| Vitamin C | 40.2 mg | 50% |
| Folate | 58 µg | 29% |
| Thiamin (B1) | 0.14 mg | 13% |
| Riboflavin (B2) | 0.02 mg | 1% |
| Niacin (B3) | 1.1 mg | 7% |
| Pantothenic acid (B5) | 0.48 mg | 8% |
| Vitamin B6 | 0.35 mg | 25% |
| Calcium | 19 mg | 2% |
| Iron | 0.94 mg | 7% |
| Magnesium | 30 mg | 8% |
| Potassium | 484 mg | 24% |
| Zinc | 0.49 mg | 5% |
| Copper | 0.42 mg | 42% |
| Manganese | 0.34 mg | 17% |
| Phosphorus | 38 mg | 5% |
| Sodium | 2 mg | — |
µg is 1,000× smaller than mg — compare the % daily value, not the raw numbers. More
Vitamin D: plants have about none (the source rows say 0). UV-exposed mushrooms are the exception, and fortified packs vary, so check the pack.
Per 100 g · CoFID / USDA · % RI and % NRV UK · not medical advice
Figures: Nuts, chestnuts, european, raw, peeled (USDA FDC SR Legacy 170575 (also CoFID 2021 14-813)). Nutrients the row does not report are left blank.
Prep notes
The starchy nut — low fat, real vitamin C, plenty of potassium. Figures are the raw peeled kernel; roast or boil before eating. Horse chestnut is a different tree and is not food. Usually prepared before eating. Per 100 g figures match this catalogue row.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
Sweet chestnut (Castanea sativa) is listed in Thrive’s plant atlas under nut-seed. Nutrition below is per 100 g with % NRV (UK) where a reference exists — food data for curiosity, not a diary score or medical claim. Edible part covered here: Nuts / seeds as sold.