METHYLATION ANALYSIS OF CARRAGEENANS FROM TETRASPORIC AND CYSTOCARPIC STAGES OF GIGARTINA-SKOTTSBERGII

被引：29

作者：

MATULEWICZ, MC ^{[1
]}

CIANCIA, M ^{[1
]}

NOSEDA, MD ^{[1
]}

CEREZO, AS ^{[1
]}

机构：

[1] UNIV BUENOS AIRES,FAC CIENCIAS EXACTAS & NAT,DEPT QUIM ORGAN,PABELLON 2,CIUDAD UNIV,RA-1428 BUENOS AIRES,ARGENTINA

来源：

PHYTOCHEMISTRY | 1990年 / 29卷 / 11期

关键词：

carrageenans; Gigartina skottsbergii; Gigartinaceae; methylation analysis; nuclear phases; Rhodophyta; seaweed;

D O I：

10.1016/0031-9422(90)85247-D

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Methylation analysis was used to study a partially cyclized μ/ν-carrageenan structure and two modified subtractions isolated after alkaline treatment and further fractionation with potassium chloride. A λ-carrageenan, with a high percentage of 4-linked,2,6-disulphated units, failed to methylate but permethylation was achieved with its modified derivative. © 1990.

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页码：3407 / 3410

页数：4

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