Microwave-sonication synergistic extraction of dairy waste proteins: A review of green approach for dairy waste proteins valorization

Every year, the dairy industry discards mountains of protein-rich waste—but what if we could shake and zap it into valuable food ingredients?

The dairy industry generates vast amounts of waste, yet hidden within this byproduct stream are proteins with real potential. A new review highlights an ingenious approach: using ultrasound and microwaves, either alone or together, to extract these proteins more sustainably than conventional chemical methods.

This green duo—known as US-MW—does more than just recover protein. The review explains how these techniques can improve the nutritional and functional properties of dairy waste proteins, making them suitable for novel foods. By avoiding harsh chemicals, the process is kinder to the environment and to the final product.

Beyond the science, there's a practical payoff. The authors emphasize the cost-effectiveness of US-MW extraction, suggesting it's not just eco-friendly but economically viable. This is a win-win for industry and sustainability.

In short, the review positions US-MW as a synergistic, scalable solution to valorize dairy waste—turning a problem into an opportunity for functional food innovation.

Key Points

• US-MW extraction converts dairy waste into valuable proteins.
• Green alternative to chemical extraction methods.
• Cost-effective and sustainable for functional foods.