Conventional food packaging is creating a significant cause of environmental hazards, posing challenges in disposal and recycling. Lignocellulose fibers possess remarkable biodegradable properties and can be modified or blended with other polymers. Thus, using lignocellulose biocomposite films derived from barley, a renewable source can mitigate and potentially transform into sustainable, innovative packaging material in the food sectors. Hence, this review focuses on barley lignocellulose fibers incorporated into different film matrix phases, showing promising enhanced mechanical, and functional properties. Barley biocomposites provide the necessary protective functions to replace traditional plastic for food packaging applications and that could reduce the negative effects on the environment. In addition, we highlighted various recently developed barley lignocellulose-based biocomposite films for a variety of food packaging applications. Furthermore, an overview of the environmental impact of plastic pollution and its effects on ecological niches has been emphasized. Additionally, aspects of different sustainable goals (SDGs 9, 12, 13) are discussed. Based on the existing research gaps, this article concluded with the challenges and further perspectives of biocomposites enriched with barley lignocellulose fibers.
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