General Information
    • ISSN: 2010-0221 (Print)
    • Abbreviated Title: Int. J. Chem. Eng. Appl.
    • Frequency: Quarterly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2019 Vol.10(5): 130-133 ISSN: 2010-0221
doi: 10.18178/ijcea.2019.10.5.755

Characteristic of Comparison Partially Pregelatinized Starch and Fully Pregelatinized Starch from Cassava Starch

Aton Yulianto, Sigit Purwanto, Ferdy Pradana, and Galuh Hendhitya Wicaksono
Abstract—Modified starch from cassava starch is still rarely developed in the pharmaceutical industry. Various modifications of cassava starch are needed, in order to improve the starch properties according to the application. This research was conducted to evaluate the physico-chemical and functional characteristics of Partially Pregelatinized from Cassava Starch (PPCS), Fully Pregelatinized from Cassava Starch (FPCS) and Starch 1500 as a benchmark. Analysis includes bulk density, tapped density, cold water soluble, whiteness, birefringence properties, loss on ignition, viscosity, compressibility, angle of repose and flowability. The results show that the bulk density of the PPCS is greater than the bulk density of the FPCS. While tapped density from PPCS is bigger than tapped density from FPCS. Cold water soluble percentage of FPCS indicates a higher value than the PPCS. The results of microscopic observations showed that PPCS and Starch 1500 still had intact granules, where as FPCS all granules were not intact. When polarized, most of the PPCS and the birefringence properties of Starch 1500 is still visible, while the FPCS all birefringence properties have been lost. PPCS has good compressibility, while Starch 1500 has a pretty good compressibility, The angle of repose of PPCS is very good while the FPCS is good. The flow rate of PPCS is good but the FPCS is very difficult to flow.

Index Terms—Cassava starch, partially pregelatinized starch, fully pregelatinized starch, functional characteristics.

Aton Yulianto is with Agency for the Assesment and Application of Technology, Jakarta, Indonesia. Meanwhile, he is the Chairman of National Laboratory for Starch Technology.
S. Purwanto, F. Pradana, and G. H. Wicaksono are with National Laboratory for Starch Technology, Lampung, Indonesia (e-mail: sigit.purwanto@bppt.go.id, ferdy.pradana@bppt.go.id, galuh.hendhitya@bppt.go.id).

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Cite: Aton Yulianto, Sigit Purwanto, Ferdy Pradana, and Galuh Hendhitya Wicaksono, "Characteristic of Comparison Partially Pregelatinized Starch and Fully Pregelatinized Starch from Cassava Starch," International Journal of Chemical Engineering and Applications vol. 10, no. 5, pp. 130-133, 2019.

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