Mangosteen peel of the queen of all tropical fruits (Queen of The Tropic Fruits) can produce xanthone compounds, ie substances that are formed from the isolated skin of the mangosteen fruit. Levels reached 123.97 mg per ml. Xanthones have anti-inflammatory and antioxidant activity. Xanthone compounds to counteract free radicals and prevent cell damage that hampered the process of cell degeneration. Especially today, we have many contaminated by chemicals, pollutants and artificial ingredients, and it’s all inevitable. In addition Xanthones not only as antioxidants, but also anticancer. Lately, scientists also are conducting trials mangosteen peel as potential HIV drug.