The
reduction in nitrites had no effect on the composition and texture of the pork luncheon rolls. Adding TPP
reduced (p b 0.001) the pH and increased (p b 0.001) the colour parameters a* and b* of both the raw
luncheon roll formulation and the cooked luncheon roll product. TPP, particularly at 3% had a detrimental
effect on the texture of pork luncheon rolls by decreasing hardness (p b 0.001),