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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Woggum, Thewika Sirivongpaisal, Piyarat Wittaya, Thawien |
| Description | Author Affiliation: Woggum T ( Department of Material Product Technology, Faculty of Agro-Industry, Prince of Songkla University, 15 Kanjanawanich, Khor Hong, Hat Yai 90112, Songkla, Thailand. Electronic address: thawean.b@psu.ac.th.); Sirivongpaisal P ( Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand.); Wittaya T ( Department of Material Product Technology, Faculty of Agro-Industry, Prince of Songkla University, 15 Kanjanawanich, Khor Hong, Hat Yai 90112, Songkla, Thailand.) |
| Abstract | In this study, the dual-modified rice starch was hydroxypropylated with 6-12% of propylene oxide followed by crosslinking with 2% sodium trimetaphosphate (STMP) and a mixture of 2% STMP and 5% sodium tripolyphosphate (STPP). Increasing the propylene oxide concentrations in the DMRS yielded an increase in the molar substitution (MS) and degree of substitution (DS). However, the gelatinization parameters, paste properties, gel strength and paste clarity showed an inverse trend. The biodegradable films from the DMRS showed an increase the tensile strength, elongation at break and film solubility, while the transparency value decreased when the concentration of propylene oxide increased. However the water vapor permeability of the films did not significantly change with an increase in the concentration of propylene oxide. In addition, it was found that DMRS films crosslinked with 2% STMP demonstrated higher tensile strength, transparency value and lower water vapor permeability than the DMRS films crosslinked with a mixture of 2% STMP and 5% STPP. The XRD analysis of the DMRS films showed a decrease in crystallinity when the propylene oxide concentrations increased and the crystallinity of DMRS films with 2% STMP were higher than the DMRS films with a mixture of 2% STMP and 5% STPP. |
| File Format | HTM / HTML |
| ISSN | 01418130 |
| Volume Number | 67 |
| e-ISSN | 18790003 |
| Journal | International Journal of Biological Macromolecules |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-06-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Biodegradable Plastics Chemistry Starch Tensile Strength Chemical Synthesis Epoxy Compounds Food Packaging Gelatin Humans Oryza Sativa Permeability Drug Effects Polyphosphates Water Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology Biochemistry |
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