Caviar sturgeon from the Sea of Azov began reaching the tables of aristocratic and noble Byzantine Greeks in the 10th century, after the commencement of large-scale trading between the Byzantine Empire and Kievan Rus'. The main types of caviar are Beluga, Sterlet, Kaluga hybrid, American osetra, Ossetra, Siberian sturgeon and Sevruga. The rarest and costliest is from beluga sturgeon that swim in the Caspian Sea, which is bordered by Iran, Kazakhstan, Russia, Turkmenistan, and Azerbaijan. Wild caviar production was suspended in Russia between 2008 and 2011 to allow wild stocks to replenish. Azerbaijan and Iran also allow the fishing of sturgeon
Types of chocolate Types of chocolate Chocolate is a range of foods derived from cocoa (cacao), mixed with fat (e.g., cocoa butter) and finely powdered sugar to produce a solid confectionery. There are several types of chocolate, classified according to the proportion of cocoa used in a particular formulation. The use of particular name designations is sometimes subject to international governmental regulation. Some governments assign chocolate solids and ranges of chocolate differently. The cocoa bean products from which chocolate is made are known under different names in different parts of the world. In the American chocolate industry: Different forms and flavors of chocolate