Widely used as a natural colorant in the food and beverage industry, especially in products requiring a stable blue or red hue derived from plant sources. Its vibrant color changes with pH, making it useful as a natural pH indicator in smart packaging and freshness sensors. Applied in nutraceuticals and dietary supplements for its antioxidant properties, supporting cardiovascular and cognitive health. Investigated for potential anti-inflammatory and anticancer effects in preclinical studies, contributing to functional food development. Also utilized in cosmetics for its color and potential skin-protective benefits.