Microwave assisted extraction of chlorogenic acid from sunflower seed meal using natural deep eutectic solvent based on COSMO-RS design

What if the secret to cheaper, greener extraction of valuable plant compounds was hiding in sunflower seed waste? A new study uses a smart solvent design tool to unlock chlorogenic acid with microwave power.

Sunflower seed meal, a low-cost byproduct of oil production, is packed with chlorogenic acid—a bioactive compound with antioxidant and anti-inflammatory potential. But extracting it efficiently has been a challenge. Traditional solvents are often toxic and inefficient. Enter natural deep eutectic solvents (NADES): green, customizable, and made from natural ingredients.

Researchers designed NADES using COSMO-RS, a powerful computational tool that predicts how solvents will behave. They paired these smart solvents with microwave-assisted extraction, a technique that heats quickly and saves energy. The result? A faster, greener way to pull chlorogenic acid from sunflower meal.

This approach aligns with global goals for sustainable chemistry. By replacing harsh solvents with biodegradable alternatives and cutting extraction time, the method reduces environmental impact while maintaining high efficiency. It's a win-win for industry and planet.

While the study focuses on sunflower meal, the strategy could extend to other plant wastes, turning agricultural leftovers into valuable bioactive sources. The future of green extraction looks bright—and surprisingly, it starts with seeds.

Key Points

• COSMO-RS designed green NADES for chlorogenic acid
• Microwave-assisted extraction boosts efficiency and sustainability
• Sunflower seed meal valorized as bioactive source