Jamu (Van Ophuijsen Spelling: Djamoe; Javanese: ) is a traditional medicine from Indonesia. It is predominantly a herbal medicine made from natural materials, such as roots, bark, flowers, seeds, leaves and fruits. Materials acquired from animals, such as honey, royal jelly, milk and native chicken eggs are often used as well. In 2019, jamu was officially recognized as one of Indonesia's intangible cultural heritage by the Indonesian Ministry of Education and Culture. Jamu can be found throughout Indonesia, however it is most prevalent in Java, where Mbok Jamu, the traditional kain kebaya-wearing young to middle-aged Javanese woman carrying bamboo basket, filled with bottles of jamu on her back, travelling villages and towns alleys, offering her fares of traditional herbal medicine, can be found. In many large cities jamu herbal medicine is sold on the street by hawkers carry a refreshing drink, usually bitter but sweetened with honey or palm sugar. Herbal medicine is also produced in factories by large companies such as Air Mancur, Djamu Djago or Sido Muncul, and sold at various drug stores in sachet packaging. Packaged dried jamu should be dissolved in hot water first before drinking. Nowadays herbal medicine is also sold in the form of tablets, caplets and capsules. These jamu brands are united in an Indonesian Herbal and Traditional Medicine Association, locally known as Gabungan Pengusaha Jamu (GP Jamu). Today, jamu is a growing local herbal medicine industry worth millions of dollars. In 2014, jamu contributed Rp 3 trillion (US$73.29 million) to overall sales. Etymology The word is Javanese in origin. It derived from the Javanese words that consist of () refers to "Javanese" or "Java", and () means "mixing" or "gathering" (the ingredients). Thus can be roughly translated as "the concoction made by the Javanese" or "the concoction originated from Java". The other theory also suggest that derived from ancient Javanese term of (Aksara Jawa: ) which means "magic formula", it refers to the mantras spelled by dukuns (the indigenous shamans) to the potion. It is believed that initially used by dukuns as one of the spiritual requirements (especially for black magic practices). Traditional production centers Despite jamu's popularity throughout Indonesia, it seems that jamu culture is most prevalent in Java. The jamu herbal culture is prevalent in Javanese royal courts of Yogyakarta and Surakarta, where the ancient books on herbal medicine is kept in royal library, and jamu medicine is prescribes to