Seaweed Nutritional Information

Seaweed | Algae | Sea Vegetable

Nutritional and Analysis Information
Taken from “A guide to Commercially Important Seaweeds on the Irish Coast”

by Jim Morrissey, Stefan Kraan and Michael D. Guiry

See Table Below

 

Red Seaweed / Algae (Rhodophyta)Green Seaweed / Algae(Chlorophyta)

Nutritional Analysis of Seaweeds – Sea Vegetables – Sea Plants – Algae from Ireland 
Nutrient / Vitamin / Mineral Seaweed – Algae Species – Common Name
Brown Seaweed / Algae (Phaeophyta)
Alaria esculenta – Irish Wakame Laminaria digitata – Kelp – Kombu Laminaria saccharina – Sweet Kelp – Kombu Royale Himanthalia elongata -Sea Spaghetti Chondrus crispus – Carrageen – Irish Moss Palmaria palmata – Dulse – Dillisk Ulva lactuca – Sea Lettuce
Protein 9 – 20 % 8 – 14 % 6 – 11 % 6 – 11 % 11 – 18 % 12 – 21 % 15 – 25 %
Fat 1 – 2 % 1 % 0.5 % 0.5 % 1 – 3 % 0.7 – 3 % 0.6 – 1 %
Carbohydrate 46 – 51 % 48 % 61 % 61 % 55 – 66 % 46 – 50 % 42 – 46 %
Vitamin C 100 – 500 ppm 12 18 ppm 13 – 18 ppm 13 – 18 ppm 10 – 30 ppm 150 – 280 ppm 100 – 200 ppm
Vitamin A 4286
Carotene 4 – 5 ppm
Beta – Carotene 663 i.u.
Retinol 0.7 – 0.8 ppm
Vitamin B1 5 ppm 7 ppm
Vitamin B2 0.3 – 1 ppm 22 ppm 2 – 5 ppm
Vitamin B3 5 ppm 34 ppm 2 – 19 ppm 98 ppm
Vitamin B6 0.1 ppm 9 ppm
Vitamin B12 <5 ppb 0.6 – 0.12 ppm 0.6 – 4 ppm 6.6 ppm 6 ppm
Vitamin E 1.71 ppm
Laminarian 0 – 18%
Mannitol 4 – 16 %
Calcium 11670 – 12900 ppm 12400 – 13200 ppm 8910 – 9282 ppm 8910 – 9282 ppm 0.9 – 1.3 % 2000 – 8000 ppm 7300 ppm
Iodine 165 – 275 ppm 800 – 5000 ppm 800 4500 ppm 185 ppm 200 – 300 ppm 150 – 550 ppm 240 ppm
Iron 50 – 126 ppm 50 – 70 ppm 22 – 401 ppm 22 – 40 ppm 170 – 210 ppm 56 – 350 ppm 870 – 1370 ppm
Magnesium 8.960 ppm 6400 – 7860 ppm 5670 – 6944 ppm 5670 – 6944 ppm 6700 – 8351 ppm 0.2 – 0.5 % 2.8 %
Manganese <1 – 14 ppm 1 – 16 ppm 1 – 16 ppm 1 – 16 ppm 2 – 28 ppm 10 – 155 ppm 347 ppm
Sodium 4.6 % 2 – 5.2 % 3 – 3.4 % 3 – 3.4 % 2 – 2.6 % 0.8 – 3% 1.1 %
Zinc 3 ppm
Potassium 3.4 % 0.7 %