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
The Substance of Fire the film version, in which Rifkin and Parker reprised their stage roles. The cast also included Timothy Hutton, Tony Goldwyn, Lee Grant, Elizabeth Franz, Dick Latessa, and Eric Bogosian. The film was released by Miramax in the United States in 1996, after being shown at several film festivals, including the Deauville Festival du Film Americain (August–September 1996), Boston Film Festival (September 1996), and Mill Valley Film Festival (October 1996). Sullivan was nominated for the Grand Special Prize at the Deauville Film Festival. The Substance of Fire The Substance of Fire is a play by Jon Robin Baitz. Isaac Geldhart is