review · Comprehensive Reviews in Food Science and Food Safety
Dairy processing produces large volumes of whey effluent, which poses serious environmental threats due to its high organic content and substantial biological and chemical oxygen demands. Intensifying regulatory pressure, environmental legislation, and growing consumer focus on health now require the dairy sector to manage and repurpose this waste sustainably. A systematic review demonstrates that innovative biotechnological approaches can convert dairy by-products into renewable, high-quality, value-added food products. Examining the nutritional and health properties of cheese whey reveals significant opportunities to combine waste management with economic returns. Integrating these eco-friendly whey-derived products into diverse food applications offers practical pathways for industrial waste reduction. Overall, transforming dairy effluent into commercial ingredients supports circular processing, mitigating ecological pollution while enhancing economic sustainability across the sector.
Dairy processing consumes vast volumes of freshwater and discharges organic-rich whey, which threatens aquatic ecosystems through high oxygen demand. Finding sustainable ways to upcycle cheese whey turns a polluting by-product into nutritious, high-value food ingredients. This transition helps dairy businesses satisfy strict environmental regulations, curb industrial pollution, and improve resource efficiency, ultimately providing practical benefits for both ecological systems and human nutrition.
The findings highlight opportunities for dairy processors and food ingredient manufacturers to adopt biotechnological methods that convert whey effluent into value-added food components. Potential applications involve formulating eco-friendly, whey-based ingredients for integration across various commercial food products. Because the abstract is drawn from a systematic review detailing practical applications alongside theoretical and future research pathways, the underlying technologies appear to range from early-stage concepts to tested processing solutions.
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Industrial waste management is critical to maintaining environmental sustainability. The dairy industry (DI), as one of the major consumers of freshwater, generates substantial whey dairy effluent, which is notably rich in organic matter and thus a significant pollutant. The effluent represents environmental risks due to its high biological and chemical oxygen demands. Today, stringent government regulations, environmental laws, and heightened consumer health awareness are compelling industries to responsibly manage and reuse whey waste. Therefore, this study investigates sustainable solutions for efficiently utilizing DI waste. Employing a systematic review approach, the research reveals that innovative technologies enable the creation of renewable, high-quality, value-added food products from dairy byproducts. These innovations offer promising sustainable waste management strategies for the dairy sector, aligning with economic interests. The main objectives of the study deal with, (a) assessing the environmental impact of dairy sector waste, (b) exploring the multifaceted nutritional and health benefits inherent in cheese whey, and (c) investigating diverse biotechnological approaches to fashion value-added, eco-friendly dairy whey-based products for potential integration into various food products, and thus fostering economic sustainability. Finally, the implications of this work span theoretical considerations, practical applications, and outline future research pathways crucial for advancing the sustainable management of dairy waste.
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DOI: 10.1111/1541-4337.13319
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