Used in leather tanning to stabilize collagen structure, improving durability and resistance to decomposition. Commonly employed in corrosion inhibition, where it forms protective coatings on metals like steel and aluminum. Applied in medicine for its astringent properties, helping in wound healing and treatment of minor skin irritations. Utilized in food and beverage industries as a clarifying agent and antioxidant. Also functions as a mordant in dyeing processes, enhancing color fastness on fabrics. Increasingly explored in green synthesis of nanoparticles due to its reducing and stabilizing capabilities.