Download Edible seaweeds of the world by Leonel Pereira PDF

By Leonel Pereira

Seaweed is utilized in many nations for extraordinarily various reasons - at once as nutrients, in particular in sushi, as a resource of phycocolloids, extraction of compounds with antiviral, antibacterial or antitumor task and as biofertilizers. approximately 4 million lots of seaweed are harvested each year around the globe. Of many of the species recognized, lower than 20 account for ninety% of the biomass exploited commercially. This e-book info 147 species of fit to be eaten seaweed, together with clinical identify and respective universal names, geographic situation, dietary composition, makes use of and is broadly illustrated.

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Cystoseira barbata (Stackhouse) C. Agardh Description: Thallus large, bushy, richly branched, dark-brown to lightolive, 20–170 cm long, 4–12 mm wide, holdfast conical, unattached form is also known; stem very rough, bearing main and additional branches; main branches 10–40 cm long, cylindrical, arranged alternately or quasiirregularly; branchlets often form panicles close to apices of main branches; additional branches 5–10 cm long; air vesicles present on branches during winter and spring, oblong, 7–15 mm long, 2–5 mm wide, solitary or moniliform, 2–10 per branch; receptacles develop on apices of branches, 2–20 mm long, 1–3 mm wide, oval or lanceolate, spinules absent, surface smooth and slightly sinuous; apices with a sterile spike; unattached plants prostrate, thin, 20–80 cm long; branches very thin and long, with sparse lateral branchlets; receptacles nearly always absent; air vesicles reduced (Milchakova 2011).

Coastal populations, mainly farmers, gathered and burnt algae to produce ash, a source of potash for the production of glass and soap. Some species are exploited and used for human consumption. In the countries studied, and particularly in France, Spain (Galicia) and Ireland, there are small and medium enterprises using edible seaweed. These new types of industry have been developed over the past few years following the increasing demand from European consumers. All the edible algae are harvested manually and dried in an artisanal way.

5 - P. 3 P. 47 - Ruperez 2002 Saá 2002 Krishnaiah et al. 2008 Saá 2002 Rupérez 2002 Saá 2002 Noda 1993 20 Edible Seaweeds of the World Table 4. contd. Introduction 21 Chronic dietary shortages or disease-related mineral depletions can produce both specific and general disease conditions: Iodine shortage results in varying degrees of thyroid dysfunction; poor absorption of dietary calcium can result in osteoporosis. Adequate residential body mineral supplies are critical for optimal body system functioning (Drum 2013, Karthick 2014).

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