MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202611052709 A) filed by Chitkara University, Rajpura, Punjab, on April 24, for 'process for extraction of emodin from cassia tora seeds using natural deep eutectic solvents and electromagnetic irradiation.'

Inventor(s) include Dr. Prakram Singh Chauhan; Gaurav Bhardwaj; Dr. Manju Nagpal; and Dr. Thakur Gurjeet Singh.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a process for extraction of emodin from Cassia tora seeds using Natural Deep Eutectic Solvents (NADES) in combination with electromagnetic irradiation. The process comprises preparing a NADES system from organic acids, sugars, cryoprotectants, and water, followed by mixing with powdered seed material and subjecting the mixture to microwave irradiation to enhance mass transfer. The method provides rapid extraction, higher yield, reduced energy consumption, and eliminates toxic solvents, thereby offering an eco-friendly and scalable alternative to conventional extraction techniques."

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