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Japanese royal fern, fiddleheads, dried, boiled: Calories & Nutrition per 100 g (Japan's Official Food Table)

Last updated: 2026-09-17

Japanese royal fern, fiddleheads, dried, boiled has 25 kcal per 100 g of edible portion, with 1.7 g protein, 0.1 g fat and 6.8 g carbohydrate, according to Japan's official Standard Tables of Food Composition.

Food number06123
Name in Japaneseぜんまい 干しぜんまい 干し若芽 ゆで
Food groupVegetables

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Nutrition per 100 g (edible portion)

Energy25 kcal
Water91.2 g
Protein1.7 g
Fat0.1 g
Carbohydrate (by difference)6.8 g
Dietary fibre5.2 g
Salt equivalent0 g
Sodium2 mg
Potassium19 mg
Calcium20 mg
Iron0.4 mg
Vitamin C0 mg
Cholesterol(0) mg

How to read these numbers

Other forms of japanese royal fern

Source: Ministry of Education, Culture, Sports, Science and Technology (MEXT), Standard Tables of Food Composition in Japan (Eighth Revised Edition), 2023 supplement; English food names from the official English edition (2015). Compiled and reformatted by this website. This page is general information, not dietary or medical advice.

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We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

Read the Japan Town →