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International Journal on Algae
SJR: 0.229 SNIP: 0.261 CiteScore™: 0.24

ISSN Druckformat: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v19.i3.60
pages 259-270

Fucoxanthin Content and Chemical Composition in Brown Seaweed, Nizamuddinia zanardinii (Phaeophyta) Collected from Mirbat, Southern Oman (The Arabian Sea)

M. Chesalin
Fisheries Research Center Salalah, Ministry of Agriculture and Fisheries Wealth, Salalah 217, P.O. Box 33, Sultanate of Oman
S. Al-Ghassani
Fisheries Research Center Salalah, Ministry of Agriculture and Fisheries Wealth, Salalah 217, P.O. Box 33, Sultanate of Oman
V. I. Ryabushko
A.O. Kovalevsky Institute of Marine Biological Researches, 2 Nakhimov Pr., Sevastopol 99001, Crimea
N. I. Bobko
A.O. Kovalevsky Institute of Marine Biology, 2, Nakhimov Ave., Sevastopol 99011, Crimea
E. Gureeva
A.O. Kovalevsky Institute of Marine Biological Researches, Nakhimov Prosp., Sevastopol 299011, Crimea
M. V. Nekhoroshev
A.O. Kovalevsky Institute of Marine Biological Researches, 2 Nakhimov Pr., Sevastopol 99001, Crimea

ABSTRAKT

Marine seaweeds are vast and unused fishery resources in Oman. A preliminary study was conducted to estimate the concentration of pigment fucoxanthin and other useful chemical substances in kelp, Nizamuddinia zanardinii (Schiff.) P. Silva, which dominates the southern coast of Oman in the Arabian Sea. The density of N. zanardinii varied between 7.0 and 7.9 kg · m-2, and dry weight was 1.03–1.46 kg · m-2 (approximately 15.9% of wet weight). The concentration of fucoxanthin was estimated at 15.5–17.3 mg/100 g wet weight. The percentage yield of sodium alginate was 13–27%. The species is rich in carbohydrates (> 60% dry weight) and protein (15.5%), but it contains lower levels of ash, fat, and calories. N. zanardinii has high concentrations of potassium, magnesium, sodium, calcium and iodine. Brown seaweed N. zanardinii is one of the major potential fishery resources in Oman and can be used to develop a new seaweed industry as well as many different commercial products.


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