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Changes in color (lightness, redness, and yellowness) of pork bologna formulated with lentil flour, nitrite, and three levels of beet powder during 4°C refrigerated storage for up to 12 weeks. CON, 156 ppm sodium nitrite; 0.1B, 0.1% beet powder; 0.3B, 0.3% beet powder; 0.5B, 0.5% BP; L0.0B, 6% LF; L0.1B, LF with 0.1% BP; L0.3B, LF with 0.3% BP; L0.5B, LF with 0.5% BP; LCON, LF with 156 ppm sodium nitrite. (a) CIE L*. (b) CIE a*. and (c) CIE b*
