Piperine, along with its isomer chavicine, is the alkaloid responsible for the pungency of black pepper and long pepper. It has been used in some forms of traditional medicine.
In the Japanese constitutional monarchy, the emperor does not have any political power. In world politics, he is the only current emperor. The current emperor is His Imperial Majesty the Emperor Akihito. He has been on the Chrysanthemum Throne since his father Emperor ShÅwa (Hirohito) died in 1989. The amount of power belonging to the emperor of Japan has changed a lot throughout Japanese history.
Current role of Emperor. The emperor's role is defined in Chapter I of the 1947 Constitution of Japan. Article 1 defines the emperor as the symbol of state and the unity of the people. Article 3 says the Emperor must have the approval of the cabinet in matters of state.