THE CHEMICAL COMPOSITION AND ANTIOXIDANT ACTIVITY OF FUCUS ALGAE TINCTURES

DOI: https://doi.org/None
Issue: 
3
Year: 
2015

M.P. Klindukh, E.D. Obluchinskaya, PhD Murmansk Marine Biological Institute, Kola Research Centre, Russian Academy of Sciences; 17, Vladimirskaya St., Murmansk 183010

The chemical composition and antioxidant activity of aqueous-alcohol tinctures of the brown algae Fucus vesiculosus and Ascophyllum nodosum, which had been gathered in the White and Barents Seas, were comparatively investigated. The composition and content of biologically active substances (BASs) for 40% alcohol tinctures of dried F. vesiculosus and A. nodosum thalli were highest. Fucus algae tinctures treated with 96% ethanol were characterized by the high content of iodine and they contained polyphenols in significant amounts. The place for gathering the algae had no significant impact on the levels of BASs in the resultant alcohol tinctures, except for those of iodine compounds. 40% tinctures of the F. vesiculosus and A. nodosum algae gathered in the Barents Sea were ascertained to have the highest antioxidant activity. The obtained alcohol fucus algae tinctures may be used both in manufacturing dietary supplements and as independent treatment and prevention products, which are an additional source of iodine, amino acids, and other BASs that positively affect the general health status, as well as a source of antioxidants of plant origin.

Keywords: 
brown algae
antioxidant activity
mannitol
polyphenols
free amino acids
iodine
fucoidan

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