Effect of Extraction Time and Na2CO3 Concentration on The Characteristics of Alginate Extracted from Sargassum sp.

3rd International Conference on Biomass: Accelerating the Technical Development and Commercialization for Sustainable Bio-based Products and Energy

生物科学;能源学;经济学

Hambali, Erliza^1,2 ; Wibawa Sakti, Satya Chandra^3 ; Fahmi, Mochamad Zakki^3 ; Wahyudianto, Febri Eko^4 ; Nuryono^5 ; Yessi, P.^6 ; Yani, Mohamad^2 ; Sinurat, Ellya^7 ; Pratama, Borneo Satria^8

Surfactant and Bioenergy Research Centre, IPB Baranangsiang, Bogor, Indonesia^1

Departement of Agroindustrial Technology, Institut Pertanian Bogor, Indonesia^2

Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Mulyorejo, Surabaya, Indonesia^3

Environmental Science and Technology Study Program, Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Mulyorejo, Surabaya, Indonesia^4

Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara Yogyakarta, Indonesia^5

Inorganic and Physical Chemistry Research Division, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung

40132, Indonesia^6

Research and Development Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia^7

Master Program of Agroindustrial Technology, Faculty of Agricultural Technology, Institut Pertanian Bogor, Indonesia^8

关键词: Alginate gel;    Brown seaweed;    Cell walls;    Divalent cation;    Extraction time;    High viscosities;    Sargassum sp;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/209/1/012033/pdf
DOI  :  10.1088/1755-1315/209/1/012033

学科分类：生物科学（综合）

来源: IOP

【 摘 要 】

Alginate is a polysaccharide extracted from cell walls and intracellular matrix of brown seaweed, and has been widely used for industrial purpose due to gelling capabilities in the presence of divalent cations. However, the characteristics of alginate extracted are depend on alginate gel strength and viscosity. The objective of this research was to investigate the effect of extraction time and Na2CO3 concentration on the characteristics of alginates extracted from Sargassum sp. by acid method. Alginate extractions were conducted by varying the extraction time for 1.5, 2.0 and 2.5 hours; and varying the Na2CO3 concentration of 1, 2 and 3 %. The characteristics observed are alginate yield, viscosity, pH, and water content. The alginates extracted using various Na2CO3 concentration and extraction time resulted alginates with low, medium and high viscosity. Furthermore, the yield, pH and water content of alginates extracted in this research had fulfilled the standard of Food Chemical Codex.