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Authors: H. Wang 1 ; Z. M. Yang 2 ; S. D. Li 3 ; Y. Z. Xia 4 ; B. B. Wang 4 ; C. Zhou 2 ; C. Wang 2 and P. W. Li 2

Affiliations: 1 College of Food Science & Technology, Huazhong Agricultural University, Agricultural Products Processing Research Institute and Chinese Academy of Tropical Agricultural Sciences, China ; 2 Agricultural Products Processing Research Institute and Chinese Academy of Tropical Agricultural Sciences, China ; 3 Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, College of Chemistry and Environment and Guangdong Ocean University, China ; 4 Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province and Qingdao University, China

Keyword(s): carboxymethyl chitosan; graft copolymer; nanoencapsulation

Abstract: This work is aims to synthesize a novel stearic acid (SA) grafted N,O-carboxymethyl chitosan (NOCC), and then use it as a wall material to nanoencapsulation macadamia oil. The grafted copolymer is a amphiphilicity sample. By the catalysis of 1–(3-dimethyl amino propyl)-3-ethyl carbodiimide hydrochloride (EDC•HCl) and N-hydroxy succinimide(NHS), we got hydrophilic and hydrophobic NOCC-SA polymers via the condensation reaction between the carboxyl of arboxymethyl chitosan and the carboxyl of stearic acid in a water bath. Macadamia oil has significant effect on whitening and spotting, also as a bioactive compound with health beneficial potential, which are used as safe additives in food , medicine, cosmetics. However Macadamia oil is sensitive to light, thermal condition and oxidation. Nanoencapsulation could be an adequate technique to overcome these challenge. Here, we obtained the analysis by scanning electron microscope and grainsize analyzer that most nanocapsules sizes ranged f rom 130.2 to 200.8 nm. To sum up, this study showed that amphiphilic chitosan were a kind of potential carrier. It could increase the solubility of hydrophobic substances and make it sustained release by nanoencapsulation. (More)

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Paper citation in several formats:
Wang, H.; Yang, Z.; Li, S.; Xia, Y.; Wang, B.; Zhou, C.; Wang, C. and Li, P. (2018). Stearic Acid Grafted Carboxymethyl Chitosan and Its Nanoencapsulation of Macadamia Oil. In Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE; ISBN 978-989-758-346-9, SciTePress, pages 297-301. DOI: 10.5220/0007437802970301

@conference{iwmce18,
author={H. Wang. and Z. M. Yang. and S. D. Li. and Y. Z. Xia. and B. B. Wang. and C. Zhou. and C. Wang. and P. W. Li.},
title={Stearic Acid Grafted Carboxymethyl Chitosan and Its Nanoencapsulation of Macadamia Oil},
booktitle={Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE},
year={2018},
pages={297-301},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007437802970301},
isbn={978-989-758-346-9},
}

TY - CONF

JO - Proceedings of the International Workshop on Materials, Chemistry and Engineering - IWMCE
TI - Stearic Acid Grafted Carboxymethyl Chitosan and Its Nanoencapsulation of Macadamia Oil
SN - 978-989-758-346-9
AU - Wang, H.
AU - Yang, Z.
AU - Li, S.
AU - Xia, Y.
AU - Wang, B.
AU - Zhou, C.
AU - Wang, C.
AU - Li, P.
PY - 2018
SP - 297
EP - 301
DO - 10.5220/0007437802970301
PB - SciTePress