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Preparation and Characterization of Octenyl Succinic Anhydride Modified Taro Starch Nanoparticles

by Qin, Yang , Xiong, Liu , Jiang, Suisui , Dai, Lei , Sun, Qingjie

in Amylose / Carbohydrates / Carbonyl compounds / Carbonyls / Chemical properties / Chemistry / Colocasia / Colocasia esculenta / Composite materials / Data processing / Dispersion / Engineering / Engineering and Technology / Food science / Fourier transforms / Hydrophobic and Hydrophilic Interactions / Hydrophobicity / Infrared spectroscopy / Light scattering / Nanocomposites / Nanocrystals / Nanoparticles / Nanoparticles - chemistry / Phase transitions / Photon correlation spectroscopy / Physical Sciences / Polymers / Polyvinyl alcohol / Research and Analysis Methods / Sediments / Self assembly / Solvents / Spectroscopy, Fourier Transform Infrared / Starch / Starch - analogs & derivatives / Starch - chemistry

2016

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Preparation and Characterization of Octenyl Succinic Anhydride Modified Taro Starch Nanoparticles

by Qin, Yang , Xiong, Liu , Jiang, Suisui , Dai, Lei , Sun, Qingjie

2016

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Preparation and Characterization of Octenyl Succinic Anhydride Modified Taro Starch Nanoparticles

by Qin, Yang , Xiong, Liu , Jiang, Suisui , Dai, Lei , Sun, Qingjie

2016

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Journal Article

Preparation and Characterization of Octenyl Succinic Anhydride Modified Taro Starch Nanoparticles

Qin, Yang,

Xiong, Liu,

Jiang, Suisui,

Dai, Lei,

Sun, Qingjie

2016

Overview

The polar surface and hydrophilicity of starch nanoparticles (SNPs) result in their poor dispersibility in nonpolar solvent and poor compatibility with hydrophobic polymers, which limited the application in hydrophobic system. To improve their hydrophobicity, SNPs prepared through self-assembly of short chain amylose debranched from cooked taro starch, were modified by octenyl succinic anhydride (OSA). Size via dynamic light scattering of OSA-SNPs increased compared with SNPs. Fourier transform infrared spectroscopy data indicated the OSA-SNPs had a new absorption peak at 1727 cm-1, which was the characteristic peak of carbonyl, indicating the formation of the ester bond. The dispersibility of the modified SNPs in the mixture of water with nonpolar solvent increased with increasing of degree of substitution (DS). OSA-SNPs appear to be a potential agent to stabilize the oil-water systems.

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Publisher

Public Library of Science,Public Library of Science (PLoS)

Subject

/ Chemical properties

/ Chemistry

/ Colocasia