Calories in Seaweed, Canadian Cultivated EMI-TSUNOMATA, rehydrated

Generic food Vegetables

Seaweed, Canadian Cultivated EMI-TSUNOMATA, rehydrated contains 31 kcal per 100 g. A typical serving of 0.25 cup (25 g) provides about 8 kcal.

Roughly 71% of its calories come from carbohydrates, with 24% from protein and 5% from fat (estimated with general energy factors).

That is close to the median for vegetables and vegetable products on FoodFactly (35 kcal per 100 g).

100 g provides 45% of the Daily Value for iron, 31% of the Daily Value for manganese and 20% of the Daily Value for magnesium.

The data comes from USDA FoodData Central: SR Legacy, where most core values were measured by laboratory analysis.

31kcal per 100 g
1.9 gprotein
5.6 gcarbohydrates
0.17 gfat
8kcal in 0.25 cup (25 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 31 kcal
Total fat M 0.17 g 0.2%
Saturated fat M 0.05 g 0.3%
Trans fat M 0 g
Sodium M 526 mg 23%
Total carbohydrates C 5.6 g 2%
Dietary fiber M 4.5 g 16%
Total sugars not reported
Protein M 1.9 g 4%
Vitamin A ? 49 µg5%
Vitamin C M 3.5 mg4%
Vitamin D M 0.4 µg2%
Vitamin E M 0.67 mg4%
Thiamin (B1) M 0.06 mg5%
Riboflavin (B2) M 0.19 mg15%
Niacin (B3) M 0.46 mg3%
Vitamin B6 M 0.03 mg2%
Folate (B9) C 23 µg6%
Vitamin B12 M 0.27 µg11%
Calcium M 36 mg3%
Iron M 8.1 mg45%
Magnesium M 84 mg20%
Phosphorus M 32 mg3%
Potassium M 358 mg8%
Zinc M 0.31 mg3%
Copper M 0.06 mg7%
Manganese M 0.71 mg31%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 24%Carbohydrates: 71%Fat: 5%31kcal / 100 g
  • Protein 24%
  • Carbohydrates 71%
  • Fat 5%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Iron45%Manganese31%Magnesium20%Riboflavin (B2)15%Vitamin B1211%Potassium8%Copper7%Folate (B9)6%Vitamin A5%Thiamin (B1)5%

Nutritional insights

  • Protein1.9 gbelow the median for vegetables and vegetable products (median 2 g)
  • Fiber4.5 gin the top quarter of vegetables and vegetable products (median 2.2 g)
  • Fat0.17 gbelow the median for vegetables and vegetable products (median 0.3 g)
  • Saturated fat0.05 gbelow the median for vegetables and vegetable products (median 0.052 g)
  • Sodium526 mgin the top quarter of vegetables and vegetable products (median 36 mg)
  • Protein per 100 kcal6 gprotein density, useful for comparing foods with different calorie levels
  • Water89.6 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat M0.01 g
Polyunsaturated fat M0.09 g
Amino acids (18)
Tryptophan M0.02 g
Threonine M0.071 g
Isoleucine M0.068 g
Leucine M0.11 g
Lysine M0.091 g
Methionine M0.031 g
Cystine M0.031 g
Phenylalanine M0.098 g
Tyrosine M0.041 g
Valine M0.081 g
Arginine M0.093 g
Histidine M0.028 g
Alanine M0.098 g
Aspartic acid M0.16 g
Glutamic acid M0.2 g
Glycine M0.081 g
Proline M0.08 g
Serine M0.078 g
Carotenoids (5)
Beta-carotene M592 µg
Lycopene Z0 µg
Carotene, alpha Z0 µg
Vitamin D (D2 + D3), International Units M15 IU
Cryptoxanthin, beta Z0 µg
Other components (9)
Water M89.6 g
Alcohol Z0 g
Caffeine Z0 mg
Ash M2.8 g
Theobromine Z0 mg
Energy C132 kJ
Vitamin A, IU ?987 IU
Folic acid Z0 µg
Folate, food M23 µg

Other forms of Seaweed

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Seaweed, Canadian Cultivated EMI-TSUNOMATA, dry Dried or dry 259 15.3 g 46.2 g 1.4 g
Seaweed, irishmoss, raw Raw 49 1.5 g 12.3 g 0.16 g
Seaweed, kelp, raw Raw 43 1.7 g 9.6 g 0.56 g
Seaweed, laver, raw Raw 35 5.8 g 5.1 g 0.28 g
Seaweed, agar, raw Raw 26 0.54 g 6.8 g 0.03 g
Seaweed, agar, dried Dried or dry 306 6.2 g 80.9 g 0.3 g
Seaweed, spirulina, raw Raw 26 5.9 g 2.4 g 0.39 g
Seaweed, spirulina, dried Dried or dry 290 57.5 g 23.9 g 7.7 g
Seaweed, wakame, raw Raw 45 3 g 9.1 g 0.64 g
Seaweed, raw Raw 41 3.5 g 7.9 g 0.49 g
Seaweed, dried Dried or dry 298 31.8 g 52.4 g 4 g
Seaweed, cooked, no added fat Cooked 41 3.5 g 7.9 g 0.49 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Mushroom, lion's mane 35 2.5 g 7.6 g 0.26 g
Mushrooms, shiitake 36 2.4 g 8.2 g 0.2 g
Mushroom, beech 33 2.2 g 6.8 g 0.45 g
Mushroom, maitake 31 2.2 g 6.6 g 0.27 g
Cabbage, mustard, salted 28 1.1 g 5.6 g 0.1 g
Mushroom, king oyster 38 2.4 g 8.5 g 0.31 g
Mushroom, enoki 37 2.4 g 8.1 g 0.25 g
Mushroom, oyster 33 2.9 g 6.9 g 0.19 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in seaweed?

100 g of seaweed has 31 kcal. 0.25 cup (25 g): about 8 kcal.

How much protein is in seaweed?

Seaweed contains 1.9 g of protein per 100 g (4% of the 50 g Daily Value), or 0.47 g in 0.25 cup (25 g). About 24% of its calories come from protein. Compared with other vegetables and vegetable products, that is below the median (median 2 g).

How many carbs are in seaweed?

Seaweed has 5.6 g of total carbohydrates per 100 g, including 4.5 g of fiber.

How much fat is in seaweed?

Seaweed contains 0.17 g of fat per 100 g, of which 0.05 g is saturated (0.3% of the Daily Value).

What vitamins and minerals does seaweed contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (45% DV), manganese (31% DV), magnesium (20% DV), Riboflavin (B2) (15% DV) and Vitamin B12 (11% DV). The full list is in the vitamins and minerals table above.

How much sodium is in seaweed?

100 g contains 526 mg of sodium, 23% of the 2,300 mg Daily Value.

Does seaweed have the same nutrition not specified and dried or dry?

No. Per 100 g, seaweed, Canadian Cultivated EMI-TSUNOMATA, rehydrated has 31 kcal, while seaweed, Canadian Cultivated EMI-TSUNOMATA, dry has 259 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: SR Legacy, record dated April 1, 2019. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: SR Legacy, record 167603. License: CC0 1.0 (U.S. public domain). Source record dated April 1, 2019. Imported November 6, 2026.

Last updated: . Data quality score: 95/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.