Characterization of sargassum accumulated on Dominican beaches in 2021: Analysis of heavy, alkaline and alkaline-earth metals, proteins and fats

被引：8

作者：

Liranzo-Gomez, Rolando Esteban ^{[1
,2
]}

Gomez, Aris Mendis ^{[3
]}

Gomez, Bolivar ^{[3
]}

Gonzalez-Hernandez, Yusmel ^{[4
]}

Jauregui-Haza, Ulises Javier ^{[1
,5
]}

机构：

[1] Inst Tecnol Santo Domingo INTEC, Area Ciencias Bas & Ambientales, Santo Domingo, Dominican Rep

[2] LPL Consulting Grp SRL, Santo Domingo, Dominican Rep

[3] Lab Direcc Gen Aduana, Santo Domingo, Dominican Rep

[4] Ctr Europeen Biotechnol & Bioecon CEBB, LGPM, CentraleSupelec, 3 rue Rouges Terres, F-51110 Pomacle, France

[5] INTEC, Ave Proceres 49,Jardines Norte, Santo Domingo 10602, Dominican Rep

来源：

MARINE POLLUTION BULLETIN | 2023年 / 193卷

关键词：

Algae; Sargassum; Heavy metals; Proteins; Fats; Dominican Republic; SEAWEEDS; FERTILIZER; BIOMASS; MERCURY; TIDES; COAST;

D O I：

10.1016/j.marpolbul.2023.115120

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper presents the characterization of sargassum that reached the shores of eight Dominican beaches in 2021. The analysis of heavy, alkaline and alkaline-earth metals was performed by ICP-OES. Twelve heavy metals were studied, with the highest concentrations corresponding to Fe, As, and Zn. Regarding the alkaline and alkaline-earth metals, the highest concentrations were detected for Ca, K, Na and Mg. The high values of arsenic and alkali and alkaline-earth metal salts do not suggest using these algae in agriculture. It is recommended to carry out arsenic speciation studies to assess whether the form in which it is found is bioavailable for plants and animals. The heavy metal contamination index was determined, which ranged between 0.318 and 3.279. Finally, for the first time in the country, the organic fraction of sargassum was analyzed.

引用

页数：10

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