Herbal medicine has been widely applied for a range of diseases in China since antiquity. Cassia obtusifolia L. and Cassia tora L. are plants whose seeds have high reported medicinal values and have been documented to function as a laxative, to lower lipid level and to lower blood pressure. The main active ingredient in Cassia seeds is aurantio-obtusin (AO), which is an anthraquinone monomer compound. Currently, AO is listed in China as a quality control index component of Cassia seeds. In clinical practice in China, AO is typically used to treat obesity, diabetes and its complications, non-alcoholic fatty liver disease and allergic reactions. In addition, AO has been reported to confer insecticidal activities and antimalarial effects. Previous studies have even suggested that AO is a potential therapeutic candidate for a variety of diseases with research value. Therefore, the present review summarizes and discuss the existing literature on AO to provide a review of its pharmacological activity and mechanism of action, with the aim of providing a basis for its development and utilization in a clinical setting.
Keywords: aurantio-obtusin; mechanism of action; pharmacological activity; traditional Chinese medicine.
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