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Mar. Drugs 2017, 15(11), 337; doi:10.3390/md15110337

Carrageenans-Sulfated Polysaccharides from Red Seaweeds as Matrices for the Inclusion of Echinochrome

1
G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 100 Let Vladivostoku Prosp., 159, 690022 Vladivostok, Russia
2
National Scientific Center of Marine Biology, Far-Eastern Branch of the Russian Academy of Sciences, Palchevskogo, 17, 690041 Vladivostok, Russia
3
N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, Lavrentjev Ave. 9, 630090 Novosibirsk, Russia
*
Author to whom correspondence should be addressed.
Received: 26 September 2017 / Revised: 16 October 2017 / Accepted: 23 October 2017 / Published: 1 November 2017
(This article belongs to the Special Issue Marine Biomaterials II, 2017)
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Abstract

The possibility of using different types of carrageenans (CRG) as matrixes for incorporating of echinochrome A (Ech) was investigated. Ech interacts with carrageenans and is incorporated into the macromolecular structure of the polysaccharide. The inclusion of Ech in carrageenan matrices decreased its oxidative degradation and improved its solubility. The changing in the charge and morphology of CRGs during binding with Ech was observed. The rate of Ech release from CRG matrices depended on the structure of the used polysaccharide and the presence of specific ions. The gastroprotective effect of CRG/Ech complexes was investigated on the model of stomach ulcers induced by indomethacin in rats. Complexes of CRG/Ech exhibited significant gastroprotective activity that exceeded the activity of the reference drug Phosphalugel. The gastroprotective effect of the complexes can be associated with their protective layer on the surface of the mucous membrane of a stomach. View Full-Text
Keywords: carrageenan; echinochrome; spectra; release; gastroprotective activity carrageenan; echinochrome; spectra; release; gastroprotective activity
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MDPI and ACS Style

Yermak, I.M.; Mischchenko, N.P.; Davydova, V.N.; Glazunov, V.P.; Tarbeeva, D.V.; Kravchenko, A.O.; Pimenova, E.A.; Sorokina, I.V. Carrageenans-Sulfated Polysaccharides from Red Seaweeds as Matrices for the Inclusion of Echinochrome. Mar. Drugs 2017, 15, 337.

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