Luteolinidin chloride is primarily used in research focused on plant pigments and their roles in plant physiology. Its application extends to studies in plant stress responses, where it helps in understanding how plants manage oxidative stress. Additionally, it is utilized in the development of natural dyes and colorants for the food and textile industries, leveraging its stable and vibrant color properties. In the field of biochemistry, it serves as a model compound to explore the biosynthesis pathways of anthocyanins and related flavonoids, which are crucial for plant coloration and protection. Furthermore, its potential antioxidant properties are being investigated for applications in health and nutrition, particularly in the formulation of dietary supplements aimed at combating oxidative damage in the human body.