Posted by After embedding β-cyclodextrin/preservative complexes into the packaging films for blueberry preservation e.g. thymol [1], curcumin [2], Vitamin C [3], resveratrol [4] and pterostylbene [5] (mentioning just a few from the latest literature) an inventive starch-based composite active sheet was also developed for blueberry packaging [6]. These sheets are loaded with preservatives, such as menthol or limonene and added to the packaged trays.
It was observed that the formulation with 10 % microcellulose and 10 % β-cyclodextrin had the highest adsorbed amounts of menthol and D-limonene, 0.084 and 0.082 g substance g−1 sheet, respectively. In the packaging tests performed with blueberries at 4 and 20 °C fresh samples were packaged in two types of PET trays (macro and microperforated) with different treatments of active sheets. During the storage, total soluble solids, titratable acidity, pH, firmness, color, and microbiological and sensory acceptability were evaluated. For the microperforated trays plus sheets loaded with 0.07 g menthol g−1 sheet, 23 and 47 days of preservation were achieved at 20 and 4 °C, respectively, compared to 14 and 24 days for the control trays. For this treatment at 4 °C, firmness, color index (CI), and ripeness index (RI) values of 11.20 N, 1.28, and 13.18 were observed after 45 days.
References
[1] Li, X.; Liu, Y.; Zheng, J.; Zhu, X.; Fang, W.; Lei, S.; Zhuang, W.; Wu, J.; Hao, T.; You, S.; et al. β-Cyclodextrin/Thymol Microcapsule-Embedded Starch Coatings for Synchronized Antimicrobial Release and Shelf-Life Extension in Blueberries. Foods 2025, 14, 3132. https://doi.org/10.3390/foods14173132
[2] Si Shi, Junjie Tang, Yanyan Zhou, Hongyan Huang, Jianxi Zhang, Wenhao Liu, Zhiwen Hu, Hongwei Wang, Jie Pang, Chunhua Wu (2025) Development of sodium alginate-based active packaging films reinforced with curcumin/β-cyclodextrin stabilized high internal phase Pickering emulsions for blueberry preservation. International Journal of Biological Macromolecules 321, 146365.
https://doi.org/10.1016/j.ijbiomac.2025.146365
[3] Lingling Bai, Yurui Wu, Huijin Xu, Jiyuan Yang, Yiting Lu, Wenge Yang, Yonghong Hu (2025)
Preparation of K-carrageenan /polylactic acid nanofiber membranes encapsulating Vitamin C/ Hydroxypropyl-beta-cyclodextrin inclusion complexes by electrostatic spinning for blueberry preservation,
Food Bioscience 69, 106894. https://doi.org/10.1016/j.fbio.2025.106894
[4] Yanyan Wang, Ruoran Qin, Jiayi Xue, Hui Li, Longwei Jiang (2025) Development and characterization of sodium alginate composite films incorporating self-assembled cyclodextrin succinic acid/chitosan nanoparticles encapsulating resveratrol for blueberry preservation. Food Packaging and Shelf Life 49,
101512. https://doi.org/10.1016/j.fpsl.2025.101512
[5] Xiaoyu Qu, Dianpeng Han, Qi Chen, Guangna Ji, Yuan Peng, Shuang Li, Kang Qin, Shuyue Ren, Yu Wang, Huanying Zhou, Wenqiang Guan, Xinxuan Wang, Zhixian Gao (2025) Self-assembled multifunctional antimicrobial composite films of humidity-responsive pterostilbene@β-cyclodextrin inclusion complexes/carboxymethyl cellulose/zein for fruit preservation. Food Packaging and Shelf Life 50, 101548.
https://doi.org/10.1016/j.fpsl.2025.101548
[5] Sofía Castellanos-González, Tatiana Jiménez-Ariza, Diego A. Castellanos (2025) Development and evaluation of starch-based composite active sheets for the preservation and packaging of blueberry (Vaccinium corymbosum) fresh fruits. Food Packaging and Shelf Life 52, 101645. https://doi.org/10.1016/j.fpsl.2025.101645