Mangosteen, or purple mangosteen, is a tropical tree native to Indonesia. The fruit of the tree is sweet, tangy and juicy with a very sweet and pleasant flavor. One of the biggest fans of the mangosteen flavor was Queen Victoria who presented a reward of £ 100 to anyone who could deliver the fresh fruit to her. Mangosteen are used for cooking and they are available both canned and frozen. It is also used in traditional medicine in Southeast Asia for its anti-inflammatory properties and ability to treat skin infections, wounds, urinary tract infections and its antioxidant properties.