Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging

In this study, lychee (<i>Litchi chinensis</i> Sonn.) pericarp powder was added to chitosan (CHS) matrix to develop active packaging films, and their structure, physicochemical, antibacterial, antioxidant, and functional properties were investigated. FT-IR results showed that intermolecu...

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Autores principales:	Longwei Jiang, Zhao Luo, Haibi Liu, Fenghui Wang, Hanyu Li, Hechen Gao, Huajiang Zhang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	active packaging chitosan lychee pericarp antimicrobial ability antioxidant ability food preservation Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/11c83d70faf54c20b536b9741ff1875e
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spelling	oai:doaj.org-article:11c83d70faf54c20b536b9741ff1875e2021-11-25T17:36:14ZPreparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging10.3390/foods101128342304-8158https://doaj.org/article/11c83d70faf54c20b536b9741ff1875e2021-11-01T00:00:00Zhttps://www.mdpi.com/2304-8158/10/11/2834https://doaj.org/toc/2304-8158In this study, lychee (<i>Litchi chinensis</i> Sonn.) pericarp powder was added to chitosan (CHS) matrix to develop active packaging films, and their structure, physicochemical, antibacterial, antioxidant, and functional properties were investigated. FT-IR results showed that intermolecular hydrogen bonds were formed between CHS and polyphenols in lychee pericarp powder (LPP), and the intermolecular interaction interfered with the assembly of CHS into semi-crystal structure, which reduced the crystallinity of CHS film. Incorporation of LPP significantly reduced water vapor permeability, water solubility, swelling degree, and elongation at break of CHS film (<i>p</i> < 0.05). However, UV-visible light barrier, tensile strength, and antibacterial and antioxidant properties of CHS films were increased by LPP incorporation. CHS-LPP film remarkably lowered the weight loss, firmness, titratable acidity, and total soluble solids of fresh-cut apple after five days storage. CHS-LPP film packaging effectively inhibited the browning of fresh-cut apple and the reduction of polyphenol content in apple juice caused by polyphenol oxidase (PPO)-mediated oxidation during storage. Therefore, CHS-LPP films have great potential as food packaging material to ensure the quality and extend the shelf life of food products.Longwei JiangZhao LuoHaibi LiuFenghui WangHanyu LiHechen GaoHuajiang ZhangMDPI AGarticleactive packagingchitosanlychee pericarpantimicrobial abilityantioxidant abilityfood preservationChemical technologyTP1-1185ENFoods, Vol 10, Iss 2834, p 2834 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	active packaging chitosan lychee pericarp antimicrobial ability antioxidant ability food preservation Chemical technology TP1-1185
spellingShingle	active packaging chitosan lychee pericarp antimicrobial ability antioxidant ability food preservation Chemical technology TP1-1185 Longwei Jiang Zhao Luo Haibi Liu Fenghui Wang Hanyu Li Hechen Gao Huajiang Zhang Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
description	In this study, lychee (<i>Litchi chinensis</i> Sonn.) pericarp powder was added to chitosan (CHS) matrix to develop active packaging films, and their structure, physicochemical, antibacterial, antioxidant, and functional properties were investigated. FT-IR results showed that intermolecular hydrogen bonds were formed between CHS and polyphenols in lychee pericarp powder (LPP), and the intermolecular interaction interfered with the assembly of CHS into semi-crystal structure, which reduced the crystallinity of CHS film. Incorporation of LPP significantly reduced water vapor permeability, water solubility, swelling degree, and elongation at break of CHS film (<i>p</i> < 0.05). However, UV-visible light barrier, tensile strength, and antibacterial and antioxidant properties of CHS films were increased by LPP incorporation. CHS-LPP film remarkably lowered the weight loss, firmness, titratable acidity, and total soluble solids of fresh-cut apple after five days storage. CHS-LPP film packaging effectively inhibited the browning of fresh-cut apple and the reduction of polyphenol content in apple juice caused by polyphenol oxidase (PPO)-mediated oxidation during storage. Therefore, CHS-LPP films have great potential as food packaging material to ensure the quality and extend the shelf life of food products.
format	article
author	Longwei Jiang Zhao Luo Haibi Liu Fenghui Wang Hanyu Li Hechen Gao Huajiang Zhang
author_facet	Longwei Jiang Zhao Luo Haibi Liu Fenghui Wang Hanyu Li Hechen Gao Huajiang Zhang
author_sort	Longwei Jiang
title	Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
title_short	Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
title_full	Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
title_fullStr	Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
title_full_unstemmed	Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging
title_sort	preparation and characterization of chitosan films containing lychee (<i>litchi chinensis</i> sonn.) pericarp powder and their application as active food packaging
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/11c83d70faf54c20b536b9741ff1875e
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Preparation and Characterization of Chitosan Films Containing Lychee (<i>Litchi chinensis</i> Sonn.) Pericarp Powder and Their Application as Active Food Packaging

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