The dried powder (called kona (powder) sansho) of the ripened fruit pericarp is used as flavoring that cleans away the odor of grilled eel, as a flavoring ingredient in miso soup, and as an ingredient in shichimi togarashi (a ground mixture of red pepper and aromatic spices).
熟した実の皮の乾燥粉末（粉山椒）は、香味料としてウナギの蒲焼の臭味消し、味噌汁の香付け、七味唐辛子の材料として用いられる。