| Summary: | The balance between anti- and pro-oxidant activities is of great important to maintain the biochemical and physiological homeostasis in the human body. Developing new therapeutic strategies to reduce health risks caused by free radicals has always been research focus over the past decades. Szechuan pepper, a characteristic pungent-flavored spice in Sichuanese cuisine, recently attracts the attention of researchers for its widespread therapeutic effects on acute and chronic diseases. The plant produces the innocuous ‘tingling and numbing’ sensations across the oral cavity by stirring specific neuron types, which are mechanically distinct from those excited by capsaicin. Furthermore, the extracts or the compounds of Szechuan pepper are biochemically proven to possess strong antioxidant activities that could scavenge free radicals and inhibit overactive peroxidase system in pathological models. Herein, the review emphasizes the molecular basis underlying the neurophysiological and antioxidant activities of the plant by a comprehensive analysis of various signaling pathways in disease models treated by Szechuan pepper. Further, we performed a broadening analysis to unearth potential signaling pathways associated with the antioxidant roles of the plant.
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