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Yam, flesh only, boiled in unsalted water

Yam is a starchy tuber eaten as a vegetable. The figures here describe the flesh only, peeled and boiled in unsalted water. It mainly provides carbohydrate, with 29g per 100g, alongside 2.3g of fibre and 1.6g of protein. Its energy content is 504 kJ per 100g.

Carbohydrate provides energy for the body, while fibre supports normal bowel function. Boiled yam contains little fat or saturated fat, and only trace amounts of salt when prepared without added salt. Added fats, sauces or salt can change the nutritional content of the finished dish, which may be relevant for people monitoring their energy or salt intake. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

118 kcal

Energy

504 kJ

Gordura

0.2g

of which saturates

0.07g

Carbohydrate

29g

of which sugars

1.9g

Fibra

2.3g

Proteína

1.6g

Sal

Trace

Álcool

0g

Água

68g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

Trace

Vitamina D

0µg

Vitamina C

4mg

Thiamin (B1)

0.14mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.2mg

Vitamina B6

0.12mg

Vitamina B12

0µg

Ácido Fólico

6µg

Cálcio

3mg

Ferro

0.34mg

Magnésio

16mg

Phosphorus

34mg

Potássio

271mg

Sódio

Trace

Zinco

0.31mg

Copper

0.15mg

Selenium

1µg

Iodo

1µg

Other types of yam

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Yam, flesh only, raw

114 kcal

1.5g

0.3g

–

Yam, baked

153 kcal

2.1g

0.4g

–

Yam, steamed

114 kcal

1.5g

0.3g

–

About these figures

Values are per 100g of the food as described (8 samples, fresh, imported. Peeled, cut into chunks and boiled for 20-30 minutes). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Leitura adicional e referências

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Histórico do artigo

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  • 4 Nov 2026 | Última versão
  • 3 Nov 2026 | Publicado originalmente