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Strategies for Enhancing Melanin Biosynthesis for Industrial Scale Production: Pathways, Engineering Approaches, and
Xinyue Yu1, Wen Li1, Jing Deng1
1College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
Abstract:
Melanin, a multifunctional biopolymer, holds significant potential in biomedicine, agriculture, and food industries. However, challenges in low solubility and inefficient extraction hinder its industrial-scale production. This review systematically categorizes melanin types (eumelanin, pheomelanin, allomelanin, neuromelanin, pyomelanin) based on their biosynthetic pathways and biological sources. We critically analyze state-of-the-art strategies for enhancing melanin yield, including genetic engineering, fermentation optimization, and physicochemical interventions. Furthermore, we highlight emerging applications in biopesticides, food packaging, and cancer therapeutics. By bridging biosynthesis mechanisms with scalable production technologies, this work provides a roadmap for advancing melanin utilization in sustainable industries.
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