Pectin as a Value-Added Biopolymer from Fruit Processing Waste: Structural Features, Extraction Methods, and Health Applications
Abstract
Interest in valuing fruit processing by-products as sources of high-value biopolymers has increased due to growing concerns about environmental sustainability and the production of food waste. Because of its structural diversity, wide range of functional applications, and abundance in fruit wastes, pectin has emerged as one of these promising value-added polysaccharides. Higher plants the central lamella and main cell wall are largely composed of pectin, a complex heteropolysaccharide high in galacturonic acid. The fruit juice and canning industries produce large amounts of wastes that are rich in pectin, especially from apple pomace and citrus peels, which provide a cost-effective and environmentally friendly substrate for pectin extraction. An extensive summary of pectin's structural characteristics, compositional domains, and impact on functional properties is given in this review. The yield, efficiency, and environmental impact of several traditional and cutting-edge extraction methods including enzymatic, acidic, microwave-assisted, and ultrasound-assisted methods are examined critically. The review also emphasises the health benefits of pectin, which are primarily mediated through altering gut microbiota and metabolic pathways. These benefits include antihyperglycemic, antihyperlipidemic, anti-obesity, cardioprotective, immunomodulatory, and anticancer properties. Pectin's uses in industry, medicine, and nutraceuticals are also examined, with particular attention paid to its functions as a gelling agent, stabiliser, binder, controlled-release polymer, and prebiotic dietary fibre. Overall, this review highlights pectin's potential as a sustainable biopolymer made from fruit processing waste that can be used to develop functional foods, reduce waste, and improve drug delivery systems.
Keywords: Pectin; Biopolymer; Nano drug delivery; Prebiotic; Sustainable extraction
Keywords:
Pectin, Biopolymer, Nano drug delivery, Prebiotic, Sustainable extractionDOI
https://doi.org/10.22270/jddt.v16i7.7894References
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