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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Preservation of Natural Textile Colorant from Xylocarpus Moluccensis by Encapsulating into PVA Alginate
verfasst von : Norul Azilah Abdul Rahman, Ruziyati Tajuddin, Siti Marsinah Tumin
Erschienen in: ICGSCE 2014
Verlag: Springer Singapore
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Abstract
Natural dye/colorant extracts used for dyeing source are incapable to be stored for a substantial period of time due to their unstable property in aqueous medium. Therefore, this study explores a suitable method to preserve the extracts for storage and produce natural textiles dyes with longer shelf life. PVA Alginate was used as a pure/blank beads to encapsulate the colorant from Xylocarpus moluccensis using ultrasonic cleaner approach at different ultrasonic volume and time. Results show the highest encapsulation efficiency was achieved using ultrasonic cleaner at optimum condition of high sonic volume in 80 min time. Fourier-transform infrared spectrosopic (FTIR), scanning electron microscope (SEM) and x-ray diffraction (XRD) were used to characterize the encapsulated colorant. The characterization via these methods indicates the colorant was successfully encapsulated into the PVA Alginate beads. Thus, the encapsulation approach studied in this work showed a promising process for preservation of natural textiles dyes.