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Bananas, flesh only

Bananas are a fruit, and the figures here refer to the flesh only, without the peel. They mainly provide carbohydrate, with 20g per 100g, including 18g of sugars. They also contain 1.4g of fibre and 330mg of potassium per 100g. The data cover samples including Fairtrade and organic bananas, sold both pre-packed and loose.

Carbohydrate provides energy, while potassium supports normal nerve and muscle function. Fibre helps support normal bowel function. The sugars in whole banana flesh are naturally occurring rather than added sugars. Bananas contain little fat or saturated fat and only trace amounts of salt. Full nutrient figures are provided in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

81 kcal

Energy

348 kJ

Gordura

0.1g

of which saturates

0.04g

Carbohydrate

20g

of which sugars

18g

Fibra

1.4g

Proteína

1.2g

Sal

Trace

Álcool

0g

Água

75g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

4µg

Vitamina D

0µg

Vitamina E

0.16mg

Vitamin K1

0.06µg

Vitamina C

9mg

Thiamin (B1)

0.15mg

Riboflavin (B2)

0.04mg

Niacin (B3)

0.7mg

Vitamina B6

0.31mg

Vitamina B12

0µg

Ácido Fólico

14µg

Cálcio

6mg

Ferro

0.27mg

Magnésio

27mg

Phosphorus

23mg

Potássio

330mg

Sódio

Trace

Zinco

0.2mg

Copper

0.1mg

Selenium

Trace

Iodo

3µg

Other types of bananas

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Bananas, raw, flesh only, weighed with skin

51 kcal

0.8g

Trace

0.9g

About these figures

Values are per 100g of the food as described (11 samples, including Fairtrade and organic, pre-packed and loose). "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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  • 3 Nov 2026 | Última versão
  • 3 Nov 2026 | Publicado originalmente