The carrageenan from two Australian specimens of the red alga Sarconema filiforme was shown by a combination of compositional analyses, linkage analysis, and Fourier transform infrared and C-13 nuclear magnetic resonance spectroscopy to be composed predominantly of a hybrid or mixture of carrabiose 2-sulfate (the repeating unit of alpha-carrageenan), carrabiose 2,4'-disulfate (the repeating unit of iota-carrageenan), and the pyruvated unit 4',6'-O-(1-carboxyethylidene)carrabiose 2-sulfate. (C) 1998 Elsevier Science Ltd. All rights reserved.
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CSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, IndiaCSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, India
Ganesan, M.
Meena, Ramavatar
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CSIR Cent Salt & Marine Chem Res Inst, Marine Ecol & Biotechnol Discipline, Bhavnagar 364002, Gujarat, IndiaCSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, India
Meena, Ramavatar
Siddhanta, A. K.
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CSIR Cent Salt & Marine Chem Res Inst, Marine Ecol & Biotechnol Discipline, Bhavnagar 364002, Gujarat, IndiaCSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, India
Siddhanta, A. K.
Selvaraj, K.
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CSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, IndiaCSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, India
Selvaraj, K.
Chithra, K.
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CSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, IndiaCSIR Cent Salt & Marine Chem Res Inst, Marine Algal Res Stn, Mandapam 623519, Tamil Nadu, India