板栗壳色素基活性包装膜的制备及其在草莓保鲜中的应用

刘孟莹; 薛佳琳; 槐笠翔; 肖雨婷; 郭刚; 崔亚杰; 王浩燃; 宋丽军

doi:10.12187/2026.04.004

August 2026

Article Contents

LIU Mengying, XUE Jialin, HUAI Lixiang, et al. Preparation of chestnut shell pigment-based active packaging films and their application in strawberry preservation[J]. Journal of Light Industry, 2026, 41(4): 44-56. doi: 10.12187/2026.04.004

Citation: LIU Mengying, XUE Jialin, HUAI Lixiang, et al. Preparation of chestnut shell pigment-based active packaging films and their application in strawberry preservation[J]. Journal of Light Industry, 2026, 41(4): 44-56. doi: 10.12187/2026.04.004 shu

Preparation of chestnut shell pigment-based active packaging films and their application in strawberry preservation

LIU Mengying ^1,2 ,
XUE Jialin ¹ ,
HUAI Lixiang ¹ ,
XIAO Yuting ¹ ,
GUO Gang ¹ ,
CUI Yajie ³ ,
WANG Haoran ^1,4 ,
SONG Lijun ^4,5,,

1. College of Food Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China;
2. Shangqiu Product Quality Inspection and Testing Center, Shangqiu 476000, China;
3. College of Ocean, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China;
4. Engineering Research Center of Chestnut Industry Technology Ministry of Education, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China;
5. Key Laboratory of Active Ingredients and Functions of Natural Products in Hebei Province, Qinhuangdao 066600, China

Corresponding author: SONG Lijun, slj176@163.com
Received Date: 2025-10-23
Accepted Date: 2025-12-15

Abstract

【Objective】 To investigate the effects of chestnut shell pigment (CSP) content on the physicochemical and functional properties of sodium alginate/carboxymethyl cellulose (SA/CMC) films and on their strawberry preservation performance.【Methods】 Active packaging films were prepared via solution casting using CSP, SA, and CMC as the matrix. Their physicochemical properties, optical properties, antioxidant activity, and structure were characterized, and their preservation performance on strawberries was evaluated.【Results】 The films loaded with different mass fractions of CSP exhibited significant differences in their physicochemical properties, optical properties, and antioxidant activity. CSP exhibited good compatibility with the film matrix, forming a compact three-dimensional network structure mainly through intermolecular hydrogen bonding and van der Waals forces, which in turn increased the film thickness, opacity, tensile strength, and water vapor transmission rate, and improved the CO₂/O₂ transmission ratio. Among them, the film containing 3% CSP(SA/CMC/CSP-3) exhibited the best overall performance, with a tensile strength of 32.79 MPa, an elongation at break of 31.40%, an oxygen transmission rate of 18.79×10^-7 cm³/(m²·24 h·Pa), a carbon dioxide transmission rate of 1.51×10^-5 cm³/(m²·24 h·Pa), and a CO₂/O₂ transmission ratio of 8.04∶1, making it more suitable for packaging fruits and vegetables with high respiration rates. In addition, the incorporation of CSP significantly enhanced the UV-blocking ability and antioxidant capacity of the films. The DPPH radical scavenging rates of SA/CMC/CSP-3 and SA/CMC/CSP-5 were 90.17% and 93.67%, respectively, and the ABTS⁺ radical scavenging rates were 81.40% and 98.58%, respectively. Compared with strawberries packaged with the SA/CMC film, those packaged with SA/CMC/CSP-3 showed reductions in weight loss and decay rate of 2.0% and 17.0%, respectively, on the 7th day of storage.【Conclusion】 The SA/CMC/CSP-3 film exhibited good physicochemical and optical properties and antioxidant activity, effectively delaying moisture loss and spoilage in strawberries and demonstrating a good preservation effect.
- chestnut shell pigment,
- sodium alginate,
- active packaging film,
- physicochemical property,
- functional property,
- strawberry preservation
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Preparation of chestnut shell pigment-based active packaging films and their application in strawberry preservation

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