 Jamu is claimed to have originated in the Mataram Kingdom era, some 1300 years ago.The stone mortar and pestle with long cylindrical stone mortar — the type commonly used in today's traditional jamu making, was discovered in Liyangan archaeological site on the slopes of Mount Sundoro, Central Java.The site and relics are dated from Medang Mataram kingdom era circa 8th to 10th century, which suggest that the herbal medicine tradition of jamu had already taken hold by then.