Exploring the Phytochemical Diversity and Pharmacological Potentials of Tagetes erecta: A Review

Tagetes erecta, commonly known as marigold, is a widely cultivated medicinal plant recognized for its ornamental, cultural, and therapeutic significance. Traditionally used in systems like Ayurveda, Mexican folk medicine, and Chinese medicine, it has been employed to manage a variety of ailments, including inflammation, infections, and digestive disorders. This review highlights the phytochemical diversity and pharmacological potential of T. erecta, with emphasis on its bioactive constituents such as flavonoids, carotenoids, phenolic acids, terpenoids, and thiophenes. These compounds are responsible for the plant’s wide range of biological activities, including antioxidant, anti-inflammatory, antimicrobial, hepatoprotective, antidiabetic, and insecticidal effects. Modern pharmacological studies have validated many of its traditional uses through in-vitro and in vivo experiments. Despite its promising therapeutic profile, comprehensive toxicological assessments and clinical evaluations are still limited. This review provides a consolidated overview of the plant’s chemical and pharmacological properties, offering insights into its future potential in drug development and natural health products.