Title:
CHITOSAN DERIVATIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/165940
Kind Code:
A1
Abstract:
The present disclosure relates to the field of chitosan materials, and provides a chitosan derivative, a preparation method for same, and an application thereof. The chitosan derivative comprises a flavan-3-ol structure and a chitosan structure. The flavan-3-ol structure and the chitosan structure are connected by means of an ion bond. The flavan-3-ol structure is selected from at least one of catechin, epicatechin, gallocatechin, epigallocatechin, epicatechin gallate, gallocatechin gallate, epigallocatechin gallate, anthocyanin and theaflavin. The chitosan derivative has good antibacterial and oxidation resistance, and is in particular high temperature-resistant and stable. For example, after being treated in a temperature of 120°C or higher, the chitosan derivative still has good antibacterial properties, and the mold resistance thereof is even further improved. Moreover, the chitosan derivative has a solubility of no less than 1g/100g of water at 25°C.
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Inventors:
WU SHIGUI (CN)
Application Number:
PCT/CN2021/082319
Publication Date:
August 11, 2022
Filing Date:
March 23, 2021
Export Citation:
Assignee:
ZHUHAI NATURE JOURNEY BIOTECHNOLOGY CO LTD (CN)
International Classes:
C08B37/08
Foreign References:
| CN1486700A | 2004-04-07 | |||
| JP2007262400A | 2007-10-11 | |||
| US20080009411A1 | 2008-01-10 | |||
| TW201414497A | 2014-04-16 |
Other References:
"Master Thesis", 1 June 2015, CHINA AGRICULTURAL UNIVERSITY, CN, article ZIHAO WEI: "Preparation, Structural Characterization and Functional Evaluation of Milk Protein-EGCG and Chitosan-chlorogenic Acid Complexes", pages: 1 - 108, XP055955666
"Master Thesis", 31 May 2020, NANCHANG UNIVERSITY, CN, ISSN: 1004-1435, article SHUHAN LUO: "Preparation and Characterization of Whey Protein-Polyphenol Complex and Chitosan-polyphenol Complex and Their Effects on the in Vitro Digestion of Emulsion Oil", pages: 1 - 97, XP055955673, DOI: 10.27232/d.cnki.gnchu.2020.002617
CHANG EUN-JU, SANG-WON PARK, HONG-KYOON NO: "Binding Capacity of Chitin and Chitosan to Anthocyanin Pigment Isolated from Purple Perilla Leaves", JOURNAL OF FOOD SCIENCE AND NUTRITION, KOREAN INTELLECTUAL PROPERTY OFFICE, vol. 5, no. 1, 31 March 2000 (2000-03-31), pages 1 - 6, XP055955678, ISSN: 2287-1098
QIN, Y. ; WANG, H.W. ; KARUPPANAPANDIAN, T. ; KIM, W.: "Chitosan green tea polyphenol complex as a released control compound for wound healing", CHINESE JOURNAL OF TRAUMATOLOGY ENGLISH EDITION, ELSEVIER, AMSTERDAM, NL, vol. 13, no. 2, 1 April 2010 (2010-04-01), AMSTERDAM, NL , pages 91 - 95, XP027015672, ISSN: 1008-1275, DOI: 10.3760/cma.j.issn.1008-1275.2010.02.006
POPA, M.-I. AELENEI, N. POPA, V.I. ANDREI, D.: "Study of the interactions between polyphenolic compounds and chitosan", REACTIVE AND FUNCTIONAL POLYMERS, ELSEVIER, AMSTERDAM, NL, vol. 45, no. 1, 1 August 2000 (2000-08-01), AMSTERDAM, NL , pages 35 - 43, XP004228968, ISSN: 1381-5148, DOI: 10.1016/S1381-5148(00)00009-2
"Master Thesis", 31 May 2020, NANCHANG UNIVERSITY, CN, ISSN: 1004-1435, article SHUHAN LUO: "Preparation and Characterization of Whey Protein-Polyphenol Complex and Chitosan-polyphenol Complex and Their Effects on the in Vitro Digestion of Emulsion Oil", pages: 1 - 97, XP055955673, DOI: 10.27232/d.cnki.gnchu.2020.002617
CHANG EUN-JU, SANG-WON PARK, HONG-KYOON NO: "Binding Capacity of Chitin and Chitosan to Anthocyanin Pigment Isolated from Purple Perilla Leaves", JOURNAL OF FOOD SCIENCE AND NUTRITION, KOREAN INTELLECTUAL PROPERTY OFFICE, vol. 5, no. 1, 31 March 2000 (2000-03-31), pages 1 - 6, XP055955678, ISSN: 2287-1098
QIN, Y. ; WANG, H.W. ; KARUPPANAPANDIAN, T. ; KIM, W.: "Chitosan green tea polyphenol complex as a released control compound for wound healing", CHINESE JOURNAL OF TRAUMATOLOGY ENGLISH EDITION, ELSEVIER, AMSTERDAM, NL, vol. 13, no. 2, 1 April 2010 (2010-04-01), AMSTERDAM, NL , pages 91 - 95, XP027015672, ISSN: 1008-1275, DOI: 10.3760/cma.j.issn.1008-1275.2010.02.006
POPA, M.-I. AELENEI, N. POPA, V.I. ANDREI, D.: "Study of the interactions between polyphenolic compounds and chitosan", REACTIVE AND FUNCTIONAL POLYMERS, ELSEVIER, AMSTERDAM, NL, vol. 45, no. 1, 1 August 2000 (2000-08-01), AMSTERDAM, NL , pages 35 - 43, XP004228968, ISSN: 1381-5148, DOI: 10.1016/S1381-5148(00)00009-2
Attorney, Agent or Firm:
HEFEI KERONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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