Chal

Chal, also shubat or khoormog , is a Turkic (especially Turkmen, Uzbek and Kazakh) and Mongolic beverage of fermented camel milk, sparkling white with a sour flavor, popular in Central Asia — particularly in Kazakhstan, Uzbekistan and Turkmenistan. In Kazakhstan the drink is known as shubat, and is a staple summer food. Due to preparation requirements and perishable nature, chal has proved difficult to export. Agaran (fermented cream) is collected from the surface of chal. Fermented chal is reputed to possess virucidal and virus inhibiting properties[citation needed] not found in fresh camel or cow milk, both in its liquid and lyophilized form — a characteristic which is (reputedly) unaffected by shelf life. Chal is typically prepared by first souring camel milk in a skin bag or ceramic jar by adding previously soured milk. For 3–4 days, fresh milk is mixed in; the matured chal will consist of one third to one fifth previously soured milk.

Source: Wikipedia