@article{fdi:010054331, title = {{T}otal phenolic, size-fractionated phenolics and fucoxanthin content of tropical {S}argassaceae ({F}ucales, {P}haeophyceae) from the {S}outh {P}acific {O}cean : spatial and specific variability}, author = {{L}e {L}ann, {K}. and {F}erret, {C}. and {V}an{M}ee, {E}. and {S}pagnol, {C}. and {L}huillery, {M}. and {P}ayri, {C}laude and {S}tiger-{P}ouvreau, {V}.}, editor = {}, language = {{ENG}}, abstract = {{T}his innovative study investigates 18 {T}urbinaria and {S}argassum brown seaweed samples from three archipelagos of the {S}outh {W}est {P}acific {O}cean. {T}he phenolic content of crude and size-fractionated extracts was determined by the {F}olin-{C}iocalteu method; fucoxanthin was measured using high performance liquid chromatography. {A}lthough the phenolic content proved to be low for the species of both genera tested, the levels in the species of {T}urbinaria were higher than those of {S}argassum tested, except in the {F}iji islands where both species produced similar contents. {T}hese investigations also highlighted variations of total phenolic content with spatial, reef morphology and depth. {A} large number of small phenolic compounds (< 2000 {D}a) were observed irrespective of the genus analyzed. {N}evertheless, the composition of the phenolic pool varied in relation with the genus, the archipelago from which the material was collected, geomorphological features and the depth of each collection field site. {A} similar observation was for fucoxanthin content and in general, the measured constituents of the {T}urbinaria were less than those of the {S}argassum species. {T}he results are discussed in terms of inter- and intra-specific variability. {V}ariations in both phenolic and fucoxanthin content were noted in tropical members of the {S}argassaceae; such differences could be a result of specific chemical defense mechanisms adopted by members of each genus.}, keywords = {{F}ucoxanthin ; phenolic content ; {S}argassum ; size-fractionated phenolic ; compounds ; spatial variability ; {T}urbinaria ; {NOUVELLE} {CALEDONIE} ; {FIDJI} ; {SALOMON} ; {PACIFIQUE} {SUD}}, booktitle = {}, journal = {{P}hycological {R}esearch}, volume = {60}, numero = {1}, pages = {37--50}, ISSN = {1322-0829}, year = {2012}, DOI = {10.1111/j.1440-1835.2011.00634.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010054331}, }