| http://www.w3.org/ns/prov#value | - Traditional fining agents include a variety of odd substances, including isinglass (made from fish bladders), egg whites and, in some parts of the Rhone Valley in France, dried oxblood or blood albumen.These old-fashioned practices are somewhat dying out in any case; most modern wineries, including virtually all larger wineries, now pass wine through bentonite (clay) filters rather than using orga
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