Question

Chestnut
Sweet chestnut Castanea sativa
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Castanea Mill.
Species
Castanea alnifolia* – bush chinkapin Castanea crenata – Japanese chestnut Castanea dentata – American chestnut Castanea henryi – Henry's chestnut Castanea mollissima – Chinese chestnut Castanea ozarkensis – Ozark chinkapin Castanea pumila – Allegheny chinkapin Castanea sativa – Sweet chestnut Castanea seguinii – Seguin's chestnut * treated as a synonym of Castanea pumila by many authors

Chestnuts (raw, peeled)

Nutritional value per 100 g (3.5 oz)
Energy	820 kJ (200 kcal)
Carbohydrates	44 g
Sugars	11 g
Fat	1.3 g
Protein	1.6 g
Vitamins
Vitamin A equiv.	(0%) 1 μg
Thiamine (B1)	(13%) 0.144 mg
Riboflavin (B2)	(1%) 0.016 mg
Niacin (B3)	(7%) 1.102 mg
Vitamin B6	(27%) 0.352 mg
Folate (B9)	(15%) 58 μg
Vitamin B12	(0%) 0 μg
Vitamin C	(48%) 40.2 mg
Minerals
Calcium	(2%) 19 mg
Iron	(7%) 0.94 mg
Magnesium	(8%) 30 mg
Phosphorus	(5%) 38 mg
Potassium	(10%) 484 mg
Sodium	(0%) 2 mg
Zinc	(5%) 0.49 mg
Other constituents
Water	Wikipedia