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The ratio of kappa- to lambda-carrageenan in nuclear phases of the rhodophycean algae, chondrus crispus and Gigartina stellata

Published online by Cambridge University Press:  11 May 2009

L. C-M. Chen ,
J. McLachlan ,
A. C. Neish  and
P. F. Shacklock
L. C-M. Chen
Affiliation:
Atlantic Regional Laboratory, National Research Council of Canada, Halifax, Nova Scotia, Canada
J. McLachlan
Affiliation:
Atlantic Regional Laboratory, National Research Council of Canada, Halifax, Nova Scotia, Canada
A. C. Neish
Affiliation:
Atlantic Regional Laboratory, National Research Council of Canada, Halifax, Nova Scotia, Canada
P. F. Shacklock
Affiliation:
Atlantic Regional Laboratory, National Research Council of Canada, Halifax, Nova Scotia, Canada
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Extract

The ratio of the concentrations of κ- to λ-carrageenan is shown to be related to the nuclear phase in Chondrus crispus both in culture and in nature. This ratio is low in tetrasporic plants and relatively high in the gametophytes. It was found to vary somewhat amongst samples analysed, but was always less than unity in tetrasporophytes and greater than unity in gametophytic plants. The κ/λ ratio in Gigartina stellata was high in gametophytes as in C. crispus; the tetrasporophytic phase of this species is unknown. It is suggested that the commercial quality of carrageenan can be correlated with the biological status of the harvested plants.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 53 , Issue 1 , February 1973 , pp. 11 - 16
Copyright
Copyright © Marine Biological Association of the United Kingdom 1973

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References

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