Edible seaweeds of the world by Leonel Pereira

By Leonel Pereira

Seaweed is utilized in many nations for terribly varied reasons - without delay as nutrition, particularly in sushi, as a resource of phycocolloids, extraction of compounds with antiviral, antibacterial or antitumor task and as biofertilizers. approximately 4 million hundreds seaweed are harvested every year around the globe. Of a number of the species identified, under 20 account for ninety% of the biomass exploited commercially. This e-book information 147 species of suitable for eating seaweed, together with medical identify and respective universal names, geographic place, dietary composition, makes use of and is generally illustrated.

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Distichus has a visible midline that runs down the center of the frond as well as down the center of the branching bladelets; mature fronds generally have bulbs or small sacs at branch tips. The surface of these small bulbs is textured or bumpy. F. distichus may grow up to 30 cm long in Alaska. The young specimens are shorter, 5–10 cm, and appear more yellowish and often do not have bulbs on branch tips. These younger ones are preferred for picking (Garza 2005). Geographic distribution: NE Pacific (Bering Sea, Aleutian Is, and Alaska to California).

1999 Takaichi 2011 Fucoxanthin Brown algae Antiangiogenic; Protective effects against retinol deficiency Sugawara et al. 2006 Sangeetha et al. 2009 Peng et al. 2011 24 Edible Seaweeds of the World Table 5. Summary of nutraceutical significance of some seaweed compounds. Fucus vesiculosus Laminaria spp. Undaria pinnatifida The brown seaweeds have traditionally been used for treating thyroid goiter Suzuki et al. 1965 Saá 2002 Calcium Undaria pinnatifida Laminaria spp. Saccharina spp. Seaweed consumption may thus be useful in the case of expectant mothers, adolescents and elderly that all exposed to a risk of calcium deficiency Saá 2002 Burtin 2003 Phycobilin pigments Phycoerythrin, Phycocyanin Red algae Antioxidant properties, which could be beneficial in the prevention or treatment of neuro-degenerative diseases caused by oxidative stress (Alzheimer’s and Parkinson’s) as well as in the cases of gastric ulcers and cancers Gonzales et al.

Harvey (Plate CCXC, Phycologia Britannica, 1846–1951). 32 Edible Seaweeds of the World the space fills with water and the surface becomes indented; anchored to substratum by felted filaments (Braune and Guiry 2011). Geographic distribution: NE Atlantic; Atlantic Is (Azores, Canary Is); Adriatic Sea; Mediterranean; New Zealand. Uses: Considered an edible species in Turkey (Özvarol et al. 2010). Monostroma grevillei (Thuret) Wittrock Synonyms: Enteromorpha grevillei, Ulva grevillei Common names: English: Green laver (Dickinson 1963); Korean: Hotparae (Sohn 1998); Swedish: Strutsallat (Tolstoy and Österlund 2003).

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