Letter | Published:

Seasonal Variation in Alginic Acid, Mannitol, Laminarin and Fucoidin in the Brown Alga, Ecklonia radiata

Naturevolume 192page1208 (1961) | Download Citation



THE brown alga Ecklonia radiata (Ag.) J. Ag. which occurs abundantly in the sub-littoral zo ne of the southern coasts of Australia, has been found to contain alginic acid, mannitol, laminarin and fucoidin, in conformity with observations on other species of the Laminariales from South Africa and the northern hemisphere. The above constituents were isolated from the seaweed and characterized by physical constants, chromatography and infra-red spectra1. An examination has now been made of the seasonal variation in the content of these carbohydrates, which is of interest in connexion with their biochemical function and possible utilization.

Access optionsAccess options

Rent or Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.


  1. 1

    Stewart, C. M., and Higgins, H. G., Nature, 187, 511 (1960).

  2. 2

    Cameron, M. C., Ross, A. G., and Percival, E. G. V., J. Soc. Chem. Indust., 67, 161 (1948).

  3. 3

    Black, W. A. P., and Dewar, E. T., J. Mar. Biol. Assoc. U. K., 28, 673 (1949).

Download references

Author information


  1. Division of Forest Products, Commonwealth Scientific and Industrial Research Organization, South Melbourne

    • C. M. STEWART
    • , H. G. HIGGINS
    •  & SUE AUSTIN


  1. Search for C. M. STEWART in:

  2. Search for H. G. HIGGINS in:

  3. Search for SUE AUSTIN in:

About this article

Publication history

Issue Date



Further reading


By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.