Isolation of L-gigartinyl-L-gigartinine from red alga Grateloupia livida

A new basic peptide was isolated from an aqueous extract of red alga Grateloupia livida collected at the Echizen sea coast, Fukui Prefecture, Japan. The structure of this new peptide was determined to be L-gigartinyl-L-gigartinine by amino acid analysis and super(1)H NMR study. The configuration of...

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Veröffentlicht in:NIPPON SUISAN GAKKAISHI 1987, Vol.53(3), pp.509-509
Hauptverfasser: Matsutani, H, Setogawa, K. (Fukui Technical Coll., Sabae (Japan)), Wakamiya, T, Nakamoto, H, Shiba, T
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Sprache:eng
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Zusammenfassung:A new basic peptide was isolated from an aqueous extract of red alga Grateloupia livida collected at the Echizen sea coast, Fukui Prefecture, Japan. The structure of this new peptide was determined to be L-gigartinyl-L-gigartinine by amino acid analysis and super(1)H NMR study. The configuration of gigartinine was determined by ORD measurement of its N super( alpha )-DNP derivative. Although gigartinine had been found in many species of red algae, the isolation of gigartinine dipeptide had not been known.
ISSN:0021-5392
1349-998X
DOI:10.2331/suisan.53.509