The morphology, characteristics, and medicinal properties of Camellia sinensis tea

Cassia species have been of keen interest in phytochemical and pharmacological research due to their\udexcellent medicinal values. They are rich sources of polyphenols, anthraquinone derivatives, flavonoids\udand polysaccharides. Cassia nigricans Vahl is an important source of secondary metabolites, notably\udanthraquinone derivatives. The leaves of C. nigricans Vahl have been reported to contain\udpharmacologically active substances, including 1,6,8-trihydroxy-3-methyl anthraquinone (emodin),\udemodic acid, citreorosein, a flavonoid - luteolin, and hydroxyestranic acid, ethyl ester. C. nigricans Vahl\udis of high therapeutic value in gastro-intestinal disorders, including ulcers and diarrhoea, and skin\uddiseases. It possesses antimicrobial, antiulcer, analgesic, anti-inflammatory, contraceptive,\udantiplasmodial, insecticidal and larvicidal activities. The plant has the potential to be used in the\udmanagement of agricultural pests. In conclusion, C. nigricans Vahl contains biologically active\udcompounds that may serve as candidates for new drugs in the treatment and prevention of human and\udlivestock diseases, and pest management