Investigation of Chondrus crispus as a potential source of new antifouling agents

Lily D Chambers, C Hellio, K R Stokes, S P Dennington, L R Goodes, R J K Wood, F C Walsh

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The search for environment-friendly and non-toxic antifouling (AF) paint components has led to the investigation of natural products from seaweeds. The defence metabolites used by algae to deter unwanted epibiosis have potential for harnessing and use in AF applications. Crude algal extracts may provide a suitable mixture of compounds with AF potency. Crude ethanol extracts of the macroalgae Chondrus crispus (Rhodophyceae), from both dried and fresh sources were tested and compared using bioassays based on five marine bacterial strains, five phytoplankton strains and two macroalgae to assess the AF efficacy. Dried extract from the algae had a lower minimum inhibitory concentration at 25 mu g mL(-1) against the growth of bacteria and phytoplankton species than that from the fresh source. Macroalgae tests indicated that the extracts had an anti-germination activity 25-50 mu g mL(-1) against both Undaria pinnatifida and Ulva intestinalis spores. A field trial of AF paint incorporating crude extract indicated an initial AF potency lasting six weeks.
Original languageEnglish
Pages (from-to)939-946
Number of pages8
JournalInternational Biodeterioration & Biodegradation
Volume65
Issue number7
DOIs
Publication statusPublished - Oct 2011

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Chondrus
Antifouling paint
antifouling agent
Seaweed
Phytoplankton
antifouling
Algae
Complex Mixtures
Paint
Bioassay
Metabolites
Biological Products
Bacteria
Undaria
Ethanol
Ulva
Microbial Sensitivity Tests
Germination
epibiosis
Spores

Cite this

Chambers, L. D., Hellio, C., Stokes, K. R., Dennington, S. P., Goodes, L. R., Wood, R. J. K., & Walsh, F. C. (2011). Investigation of Chondrus crispus as a potential source of new antifouling agents. International Biodeterioration & Biodegradation, 65(7), 939-946. https://doi.org/10.1016/j.ibiod.2011.07.002

Investigation of Chondrus crispus as a potential source of new antifouling agents. / Chambers, Lily D; Hellio, C; Stokes, K R; Dennington, S P; Goodes, L R; Wood, R J K; Walsh, F C.

In: International Biodeterioration & Biodegradation, Vol. 65, No. 7, 10.2011, p. 939-946.

Research output: Contribution to journalArticle

Chambers, LD, Hellio, C, Stokes, KR, Dennington, SP, Goodes, LR, Wood, RJK & Walsh, FC 2011, 'Investigation of Chondrus crispus as a potential source of new antifouling agents', International Biodeterioration & Biodegradation, vol. 65, no. 7, pp. 939-946. https://doi.org/10.1016/j.ibiod.2011.07.002
Chambers, Lily D ; Hellio, C ; Stokes, K R ; Dennington, S P ; Goodes, L R ; Wood, R J K ; Walsh, F C. / Investigation of Chondrus crispus as a potential source of new antifouling agents. In: International Biodeterioration & Biodegradation. 2011 ; Vol. 65, No. 7. pp. 939-946.
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