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  • Title: Isethionic acid and floridoside isolated from the red alga, Grateloupia turuturu, inhibit settlement of Balanus amphitrite cyprid larvae.
    Author: Hellio C, Simon-Colin C, Clare AS, Deslandes E.
    Journal: Biofouling; 2004 Jun; 20(3):139-45. PubMed ID: 15545063.
    Abstract:
    Isethionic acid (2-hydroxyethane sulfonic acid) and floridoside (2-O-alpha-D-galactopyranosylglycerol) were extracted from the red alga, Grateloupia turuturu, and tested for anti-settlement activity against cyprid larvae of the tropical barnacle, Balanus amphitrite and for their toxicity to nauplius larvae. Isethionic acid was active for anti-settlement but had the disadvantage of being toxic to nauplius larvae. Floridoside was a potent inhibitor of cyprid settlement at non-toxic concentrations to nauplii (0.01 mg ml(-1)).
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