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Carboxymethyl cellulose/sodium alginate bilayer films doped with citric acid and nano-ZnO/powdered activated carbon for walnut kernel preservation
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DOI:10.1016/j.fbp.2026.06.015.png)
Abstract
En 中文
• A biodegradable “dual barrier-absorption” bilayer film was designed for walnut kernel preservation. • Nano-ZnO and PAC enhanced UV blocking and volatile compound adsorption. • Citric acid improved mechanical strength and interlayer crosslinking. • The bilayer film significantly delayed lipid oxidation versus PE packaging in accelerated storage tests.
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