Extraction of Pectic Acid from Citrus Fruit Peels
and its Application as Textile Printing Thickener
Volume 1 - Issue 3
Lami Amanuel*
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- Department of Textile Engineering, Wollo University, Africa
*Corresponding author:
Lami Amanuel, Department of Textile Engineering, Wollo University, Kombolcha Institute of Technology,
Ethiopia, Africa
Received: January 18, 2018; Published: January 29, 2018
DOI: 10.32474/LTTFD.2018.01.000111
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Abstract
Extraction of pectic acid by acid hydrolysis from citrus fruit peels and its conversion in to textile printing paste thickener in order
to use it as an alternative substitute of sodium alginate thickener in reactive printing was studied in this research. Printing with the
alternative thickener, sodium pectate, printed fabric characteristics; color yield, color brightness and wash fastness were improved.
Pectic acid is extracted from the identified citrus fruit peels i.e. orange peel, lemon peel and bitter orange peels. Extraction time, type
of solvent and extraction pH was standardized based on pectin yield obtained. The research found environment friendly extraction
of pectic acid by sodium carbonate instead of acid hydrolysis with HCL or H2SO4.
Keywords: Pectic acid; Sodium alginate; Sodium pectate; Printing Thickener; Acid hydrolysis; Wash fastness, Color yield
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