Valorization of Aronia melanocarpa pomace: construction of antioxidant starch-based composite films, preservation performance, and life cycle assessment
Qingpan Bu, Wei Zhao, Jingge Xie, Qiaoxi Zhang, Shiwei Yuan, Li Sheng, Chuanyan Wei, Zhun Wang, Kai Song
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引用次数: 0
Abstract
Background
Aronia melanocarpa pomace is a polyphenol-rich processing by-product, yet its high-value conversion into functional food-packaging materials remains insufficiently explored.
Results
In this study, an ultrasound-assisted aqueous pomace extract was incorporated into a cassava starch/cellulose nanofibril/nano-SiO₂ matrix to construct an antioxidant composite film. LC-MS analysis showed that flavonoids accounted for 51.3% of the extract. Molecular docking, fluorescence spectroscopy, FTIR, and XRD confirmed non-covalent interactions between pomace-derived polyphenols and the film matrix. The resulting SCSA film exhibited strong antioxidant activity, good UV stability, medium-dependent release behavior, low water vapor permeability, and high tensile strength. Application tests showed that it delayed water loss, browning, lipid peroxidation in “Shine Muscat” grapes, and acidification and flavor deterioration in pasteurized milk. Life cycle assessment indicated lower environmental impacts than conventional petrochemical packaging.
Conclusions
This study provides a feasible strategy for converting Aronia melanocarpa pomace into sustainable antioxidant packaging materials for food preservation.
期刊介绍：
Chemical and Biological Technologies in Agriculture is an international, interdisciplinary, peer-reviewed forum for the advancement and application to all fields of agriculture of modern chemical, biochemical and molecular technologies. The scope of this journal includes chemical and biochemical processes aimed to increase sustainable agricultural and food production, the evaluation of quality and origin of raw primary products and their transformation into foods and chemicals, as well as environmental monitoring and remediation. Of special interest are the effects of chemical and biochemical technologies, also at the nano and supramolecular scale, on the relationships between soil, plants, microorganisms and their environment, with the help of modern bioinformatics. Another special focus is the use of modern bioorganic and biological chemistry to develop new technologies for plant nutrition and bio-stimulation, advancement of biorefineries from biomasses, safe and traceable food products, carbon storage in soil and plants and restoration of contaminated soils to agriculture.
This journal presents the first opportunity to bring together researchers from a wide number of disciplines within the agricultural chemical and biological sciences, from both industry and academia. The principle aim of Chemical and Biological Technologies in Agriculture is to allow the exchange of the most advanced chemical and biochemical knowledge to develop technologies which address one of the most pressing challenges of our times - sustaining a growing world population.
Chemical and Biological Technologies in Agriculture publishes original research articles, short letters and invited reviews. Articles from scientists in industry, academia as well as private research institutes, non-governmental and environmental organizations are encouraged.
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