Quantity of phenol, cresol, and indol-3-ol excreted in urine and of ammonia excreted in feces of rats over 24h when these animals were consuming soy or egg white protein untreated or thermolyzed (2 hrs at 180°C) (Table 1). Error bars, SEM. Symbols: *, p < 0.05; **, p < 0.01.