Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 182, Issue -, Pages 197-206Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.03.132
Keywords
Starch nanocrystal; Sago; Pickering emulsion; Stability; Rheology
Funding
- Universiti Kebangsaan Malaysia
- Kementerian Pengajian Tinggi [FRGS/1/2019/STG01/UKM/02/14]
- Program High Value-Added and Complex Product Development Market [ST-2019-013]
- MyBrain15
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This study isolates SNC from sago starch and investigates its performance in oil-in-water emulsions, showing significant impact on droplet size distribution and confirming the optimum stability with 4.0 wt% SNC. The findings suggest that SNC can be used as an alternative solid emulsifier for producing stable emulsions with desired properties for various applications.
This study presents the isolation of SNC from sago starch and its performance as proficient particle emulsifier. It highlights the impact of SNC on the stability and rheological properties of oil-in-water (o/w) emulsions. The percentage yield of the SNC obtained was equivalent to 25 +/- 0.1% (w/w) with particle diameters ranging from 25 to 100 nm. A series of Pickering emulsion at different ratios of oil (5%-35% v/v) and SNC (1%-4% w/v) was prepared for further investigations. The mean droplet diameter of emulsions obtained was ranged from 19.12 to 35.96 mu m, confirming the effects of both SNC and oil content on the droplet's diameter distribution. Formulations with 4.0 wt% of SNC exhibited the maximum stability against coalescence. Results obtained have justified that the SNC can be used as an alternative solid emulsifier in producing stable emulsion with desired properties for various applications. (c) 2021 Published by Elsevier B.V.
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