Alginate is a high-value biopolymer, exists in brown algae, and applied widely in numerous fields, for example, food, functional foods, and pharmaceutics. The study focused on the biophysical-chemistry characterization of alginate in brown algae species Sargassum dupplicatum grown commonly in Vietnam under the effect of NaCl, KCl, MgCl2, chitosan, carrageenan, and ethanol in different physical condition. Antioxidant activity of alginate and their compound was also studied. The results showed that Na_Alg, K_Alg, and Mg_Alg disperse the net style in the water. Ca_Alg, chitosan_Alg, and Carrageenan_Alg absorbed water and swelled for forming a sphere, yarn, and yarn in the water, respectively. Chitosan_Alg and carrageenan_Alg precipitated faster in ethanol, compared to Na_Alg, K_Alg, and Mg_Alg. 20% of ethanol did not cause the precipitation of Alginate salt, Chitosan_Alg, and carrageenan_Alg for 30 minutes. Alginate salt, Chitosan_Alg, and Carrageenan_Alg were full precipitated for 30 minutes when using ethanol concentration was more than 80%. Chitosan_Alg and Carrageenan_Alg occurred the precipitation in 20% of ethanol for 30 minutes. Total antioxidant activity and reducing power activity of chitosan_Alg got the highest value (a and b, respectively), compared to Carrageenan_Alg, Na_Alg, K_Alg, and Mg_Alg. The antioxidant activity difference in a group of Na_Alg, K_Alg, and Mg_Alg, and a group (Chitosan_Alg and Carrageenan_Alg) did not happen. The difference only occurred between the two groups.
Published in |
World Journal of Food Science and Technology (Volume 4, Issue 1)
This article belongs to the Special Issue Marine Bio-Polymer: Bio-Activity, Extraction and Application |
DOI | 10.11648/j.wjfst.20200401.13 |
Page(s) | 17-22 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Alginate, Chitosan, Carrageenan, Antioxidant, Ethanol
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APA Style
Dang Xuan Cuong, Dang Thi Thanh Tuyen, Do Thuy Kieu. (2020). Biophysical-chemistry Characterization of Alginate in Brown Algae Species Sargassum dupplicatum. World Journal of Food Science and Technology, 4(1), 17-22. https://doi.org/10.11648/j.wjfst.20200401.13
ACS Style
Dang Xuan Cuong; Dang Thi Thanh Tuyen; Do Thuy Kieu. Biophysical-chemistry Characterization of Alginate in Brown Algae Species Sargassum dupplicatum. World J. Food Sci. Technol. 2020, 4(1), 17-22. doi: 10.11648/j.wjfst.20200401.13
AMA Style
Dang Xuan Cuong, Dang Thi Thanh Tuyen, Do Thuy Kieu. Biophysical-chemistry Characterization of Alginate in Brown Algae Species Sargassum dupplicatum. World J Food Sci Technol. 2020;4(1):17-22. doi: 10.11648/j.wjfst.20200401.13
@article{10.11648/j.wjfst.20200401.13, author = {Dang Xuan Cuong and Dang Thi Thanh Tuyen and Do Thuy Kieu}, title = {Biophysical-chemistry Characterization of Alginate in Brown Algae Species Sargassum dupplicatum}, journal = {World Journal of Food Science and Technology}, volume = {4}, number = {1}, pages = {17-22}, doi = {10.11648/j.wjfst.20200401.13}, url = {https://doi.org/10.11648/j.wjfst.20200401.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wjfst.20200401.13}, abstract = {Alginate is a high-value biopolymer, exists in brown algae, and applied widely in numerous fields, for example, food, functional foods, and pharmaceutics. The study focused on the biophysical-chemistry characterization of alginate in brown algae species Sargassum dupplicatum grown commonly in Vietnam under the effect of NaCl, KCl, MgCl2, chitosan, carrageenan, and ethanol in different physical condition. Antioxidant activity of alginate and their compound was also studied. The results showed that Na_Alg, K_Alg, and Mg_Alg disperse the net style in the water. Ca_Alg, chitosan_Alg, and Carrageenan_Alg absorbed water and swelled for forming a sphere, yarn, and yarn in the water, respectively. Chitosan_Alg and carrageenan_Alg precipitated faster in ethanol, compared to Na_Alg, K_Alg, and Mg_Alg. 20% of ethanol did not cause the precipitation of Alginate salt, Chitosan_Alg, and carrageenan_Alg for 30 minutes. Alginate salt, Chitosan_Alg, and Carrageenan_Alg were full precipitated for 30 minutes when using ethanol concentration was more than 80%. Chitosan_Alg and Carrageenan_Alg occurred the precipitation in 20% of ethanol for 30 minutes. Total antioxidant activity and reducing power activity of chitosan_Alg got the highest value (a and b, respectively), compared to Carrageenan_Alg, Na_Alg, K_Alg, and Mg_Alg. The antioxidant activity difference in a group of Na_Alg, K_Alg, and Mg_Alg, and a group (Chitosan_Alg and Carrageenan_Alg) did not happen. The difference only occurred between the two groups.}, year = {2020} }
TY - JOUR T1 - Biophysical-chemistry Characterization of Alginate in Brown Algae Species Sargassum dupplicatum AU - Dang Xuan Cuong AU - Dang Thi Thanh Tuyen AU - Do Thuy Kieu Y1 - 2020/04/29 PY - 2020 N1 - https://doi.org/10.11648/j.wjfst.20200401.13 DO - 10.11648/j.wjfst.20200401.13 T2 - World Journal of Food Science and Technology JF - World Journal of Food Science and Technology JO - World Journal of Food Science and Technology SP - 17 EP - 22 PB - Science Publishing Group SN - 2637-6024 UR - https://doi.org/10.11648/j.wjfst.20200401.13 AB - Alginate is a high-value biopolymer, exists in brown algae, and applied widely in numerous fields, for example, food, functional foods, and pharmaceutics. The study focused on the biophysical-chemistry characterization of alginate in brown algae species Sargassum dupplicatum grown commonly in Vietnam under the effect of NaCl, KCl, MgCl2, chitosan, carrageenan, and ethanol in different physical condition. Antioxidant activity of alginate and their compound was also studied. The results showed that Na_Alg, K_Alg, and Mg_Alg disperse the net style in the water. Ca_Alg, chitosan_Alg, and Carrageenan_Alg absorbed water and swelled for forming a sphere, yarn, and yarn in the water, respectively. Chitosan_Alg and carrageenan_Alg precipitated faster in ethanol, compared to Na_Alg, K_Alg, and Mg_Alg. 20% of ethanol did not cause the precipitation of Alginate salt, Chitosan_Alg, and carrageenan_Alg for 30 minutes. Alginate salt, Chitosan_Alg, and Carrageenan_Alg were full precipitated for 30 minutes when using ethanol concentration was more than 80%. Chitosan_Alg and Carrageenan_Alg occurred the precipitation in 20% of ethanol for 30 minutes. Total antioxidant activity and reducing power activity of chitosan_Alg got the highest value (a and b, respectively), compared to Carrageenan_Alg, Na_Alg, K_Alg, and Mg_Alg. The antioxidant activity difference in a group of Na_Alg, K_Alg, and Mg_Alg, and a group (Chitosan_Alg and Carrageenan_Alg) did not happen. The difference only occurred between the two groups. VL - 4 IS - 1 ER -