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Carrageenans from the tetrasporic stages of Gigartina clavifera and Gigartina alveata (Gigartinaceae, Rhodophyta).
Carbohydr Res. 1995 Oct 16; 276(1):155-65.CR

Abstract

Modern chemical and spectroscopic techniques have been used to characterise the polysaccharides extracted from the tetrasporic life stages of Gigartina clavifera and Gigartina alveata. Both are predominantly xi-carrageenans. About one in six of the 3-linked residues in both polysaccharides also have a pyruvate acetal group at the 4- and 6-positions. In addition, a similar proportion of the 4-linked units of each polysaccharide are devoid of sulfate groups, whilst more have sulfate esters on both O-2 and O-6. Some of the 3-linked units contain a sulfate at the 6-position in addition to that at O-2. The polysaccharide from tetrasporophytic G. alveata also contains a small but significant number of 3,6-anhydrogalactosyl units, most of which are naturally sulfated at the 2-position.

Authors+Show Affiliations

Industrial Research Limited, Lower Hutt, New Zealand.No affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

8536252

Citation

Falshaw, R, and R H. Furneaux. "Carrageenans From the Tetrasporic Stages of Gigartina Clavifera and Gigartina Alveata (Gigartinaceae, Rhodophyta)." Carbohydrate Research, vol. 276, no. 1, 1995, pp. 155-65.
Falshaw R, Furneaux RH. Carrageenans from the tetrasporic stages of Gigartina clavifera and Gigartina alveata (Gigartinaceae, Rhodophyta). Carbohydr Res. 1995;276(1):155-65.
Falshaw, R., & Furneaux, R. H. (1995). Carrageenans from the tetrasporic stages of Gigartina clavifera and Gigartina alveata (Gigartinaceae, Rhodophyta). Carbohydrate Research, 276(1), 155-65.
Falshaw R, Furneaux RH. Carrageenans From the Tetrasporic Stages of Gigartina Clavifera and Gigartina Alveata (Gigartinaceae, Rhodophyta). Carbohydr Res. 1995 Oct 16;276(1):155-65. PubMed PMID: 8536252.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Carrageenans from the tetrasporic stages of Gigartina clavifera and Gigartina alveata (Gigartinaceae, Rhodophyta). AU - Falshaw,R, AU - Furneaux,R H, PY - 1995/10/16/pubmed PY - 1995/10/16/medline PY - 1995/10/16/entrez SP - 155 EP - 65 JF - Carbohydrate research JO - Carbohydr Res VL - 276 IS - 1 N2 - Modern chemical and spectroscopic techniques have been used to characterise the polysaccharides extracted from the tetrasporic life stages of Gigartina clavifera and Gigartina alveata. Both are predominantly xi-carrageenans. About one in six of the 3-linked residues in both polysaccharides also have a pyruvate acetal group at the 4- and 6-positions. In addition, a similar proportion of the 4-linked units of each polysaccharide are devoid of sulfate groups, whilst more have sulfate esters on both O-2 and O-6. Some of the 3-linked units contain a sulfate at the 6-position in addition to that at O-2. The polysaccharide from tetrasporophytic G. alveata also contains a small but significant number of 3,6-anhydrogalactosyl units, most of which are naturally sulfated at the 2-position. SN - 0008-6215 UR - https://www.unboundmedicine.com/medline/citation/8536252/Carrageenans_from_the_tetrasporic_stages_of_Gigartina_clavifera_and_Gigartina_alveata__Gigartinaceae_Rhodophyta__ L2 - https://linkinghub.elsevier.com/retrieve/pii/0008-6215(95)00153-K DB - PRIME DP - Unbound Medicine ER -