MUMBAI, India, Nov. 28 -- Intellectual Property India has published a patent application (202531109304 A) filed by Abhilash Borah; and Dr Neelav Sarma, Jakhalabandha, Assam, on Nov. 11, for 'formulation of naturally-derived plant extract-based aqueous composition for extending vegetable shelf life.'
Inventor(s) include Dr Neelav Sarma; Dr Mausomi Madhab; Manash Pratim Sarmah; Dikshita Kalita; Pujanya Borah; and Samudra Kashyap Baruah.
The application for the patent was published on Nov. 28, under issue no. 48/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a natural plant extract-based aqueous composition designed for extending the shelf life of vegetables. The composition comprises a synergistic blend of Neem leaves (Azadirachta indica), Melastoma malabathricum L. leaves, Kali Tulsi leaves (Ocimum sanctum), Clove flowers (Syzygium aromaticum), Haldi leaves (Curcuma longa), Kali Haldi leaves (Curcuma caesia), and a small quantity of Camphor, extracted in water in defined proportions. When applied to fresh vegetables by spraying or dipping, the composition exhibits significant antimicrobial, antifungal, and antioxidant activity, effectively delaying microbial growth, oxidation, wilting, and spoilage. The composition is eco-friendly, non-toxic, and fully biodegradable, making it suitable for safe post-harvest treatment. The invention further provides a cost-effective, simple-to-prepare solution that utilizes readily available plant materials and can be applied to a variety of vegetables, including leafy greens, fruits, and root vegetables. Experimental studies demonstrate that vegetables treated with the composition retain freshness, nutritional quality, and visual appeal for significantly longer periods compared to untreated controls, under both ambient and refrigerated storage conditions."
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