Polygalacturonic acid is widely used in the food industry as a gelling agent, stabilizer, and thickener, particularly in the production of jams, jellies, and fruit-based products. Its ability to form gels in the presence of calcium ions makes it valuable in creating desired textures in food items. In the pharmaceutical sector, it is utilized as an excipient in drug delivery systems, enhancing the stability and controlled release of active ingredients. Additionally, it finds applications in cosmetics, where it acts as a moisturizing agent and improves skin hydration. In agriculture, polygalacturonic acid is used to promote plant growth and enhance soil health by improving nutrient uptake and water retention. Its biodegradability and non-toxic nature make it an environmentally friendly choice across various industries.