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  4. Polysaccharides-induced precipitation of protein from defatted roselle seed and its characterization: Antinutritional factors and functional properties
 
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Polysaccharides-induced precipitation of protein from defatted roselle seed and its characterization: Antinutritional factors and functional properties

Journal
Journal of the Taiwan Institute of Chemical Engineers
Journal Volume
44
Journal Issue
2
Pages
152
Date Issued
2013-01-01
Author(s)
Tran-Thi, Ngoc Yen
Kasim, Novy S.
Yuliana, Maria
Huynh, Lien Huong
WEN-LIAN CHANG  
Ju, Yi Hsu
DOI
https://api.elsevier.com/content/abstract/scopus_id/84873734837
10.1016/j.jtice.2012.09.010
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/412248
URL
https://api.elsevier.com/content/abstract/scopus_id/84873734837
Abstract
Defatted roselle seeds possess high protein content but they are usually discarded as waste. Based on the interaction of protein and polysaccharides, carrageenan, sodium alginate and carboxylmethyl cellulose were employed in protein precipitation to improve roselle protein recovery from roselle seed protein extract solution. Carrageenan showed the strongest effect in increasing the yield of protein precipitation. Under optimal conditions, the highest protein recovery was 95.59%, 92.45% and 82.60% obtained by using carrageenan, sodium alginate and carboxylmethyl cellulose, respectively. Carboxylmethyl cellulose-protein precipitate has the highest solubility, but carrageenan-protein precipitate showed the best suspension viscosity and foaming capacity. Using polysaccharide to precipitate roselle protein can also significantly reduce trypsin and phytate contents. However, it failed to reduce the amount of alpha-chymotrypsin and saponins. © 2012 Taiwan Institute of Chemical Engineers.
Subjects
Antinutritional factors | Defatted roselle seed | Functional properties | Polysaccharides | Protein precipitate
SDGs

[SDGs]SDG11

Publisher
ELSEVIER SCIENCE BV
Type
journal article

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