The medicinal uses of Callicarpa L. in traditional Chinese medicine: An ethnopharmacological, phytochemical and pharmacological review

Ethnopharmacological relevanceCallicarpa L. (Verbenaceae) has been used for centuries in Traditional Chinese Medicine (TCM) for the prevention and treatment of a wide number of health disorders such as inflammation, rheumatism, hematuria, fracture, hematemesis, menoxenia, gastrointestinal bleeding, scrofula, etc.Aims of the reviewTo assess the scientific evidence for therapeutic Callicarpa in TCM and to identify future research needs.MethodsThe available information on the ethnopharmacological uses in Chinese medicine, phytochemistry, pharmacology and clinical practice of Callicarpa species was collected via a library and electronic search (PubMed, ScienceDirect, Google Scholar and CNKI).ResultsA variety of ethnomedical use of Callicarpa has been recorded in many ancient Chinese books. Phytochemical investigation of this genus has resulted in identification of more than 200 chemical constituents, among which diterpenes, triterpenoids and flavonoids are the predominant groups. The isolates and crude extract have exhibited a wide spectrum of in vitro and in vivo pharmacological effects involving anti-inflammatory, hemostatic, neuroprotective, anti-amnesic, antitubercular, antioxidant, antimicrobial and analgesic activities. Preparations containing Callicarpa species exerted good efficacy on clinical applications of gynecological inflammation, internal and external hemorrhage as well as acne vulgaris and chronic pharyngitis, etc. From the toxicity perspective, only three Callicarpa species have been assessed.ConclusionsPharmacological results have validated the use of Callicarpa species in the traditional medicine. As literature demonstrated, terpenoids and flavonoids are perhaps responsible for most of the activities shown by the plants of this genus. However, the detailed active compounds and the underlying mechanisms remain a work in progress. In addition, more attention should be paid to C. nudiflora as well as the domain of rheumatism.

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