Clarification and stabilization of wine Organic compounds used as fining agents are generally animal based, a possible cause of concern to vegans. The most common organic compounds used include egg whites, casein derived from milk, gelatin and isinglass obtained from the bladders of fish. Pulverized minerals and solid materials can also be used, with bentonite clay being one of the most common, thanks to its effectiveness in absorbing proteins and some bacteria. Activated carbon from charcoal is used to remove some phenols that contribute to browning as well as some particles that produce "off-odors" in the wine. In a process known as blue fining, potassium
Winemaking in Crimea stage of development of viticulture and winemaking in Crimea is associated with the reorientation of producers from the Ukrainian to the Russian market, a process made more difficult by the requirement to adhere to the new regulatory framework of Russia. In general, using protectionist mechanisms, the industry has chances for development and access to foreign markets (especially the Asia-Pacific region). Notable Crimean winemakers include "Massandra", "Inkerman", "Sun Valley", "Gold beam", "Koktebel", "Magarach", "Suter", "Novyi Svit", "Legend of Crimea". Winemaking in Crimea Winemaking in Crimea has existed for over two thousand years. Winemaking has been developed in Hersonissos, the Bosporan Kingdom,