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. 2019 Dec 13;9:19068. doi: 10.1038/s41598-019-55760-0

Table 3.

Physical characteristics of the different muscles of dry-cured hams obtained from pigs of different breeds and sex1 fed on conventional (CONV) or low protein (LP) diets.

Diet (D) Breed (BR) Tissue (T)2 BR × D
CONV LP SEM P Anas Danbred SEM P BF QF SM ST SEM P P
pH 5.49 5.52 0.01 0.07 5.51 5.50 0.01 0.39 5.51bc 5.53c 5.50b 5.48a 0.01 <0.001 0.49
Water activity3 0.90 0.90 0.002 0.76 0.90 0.89 0.002 0.36 0.84
Colour:
Lightness (L*) 37.5 37.3 0.29 0.64 37.7 37.2 0.29 0.30 38.1c 35.6b 33.5a 42.7d 0.34 <0.001 0.37
Green-red (a*) 7.00 6.92 0.18 0.78 7.05 6.87 0.18 0.46 6.86b 8.28d 7.53c 5.18a 0.19 <0.001 0.77
Blue-yellow (b*) 8.24 8.30 0.12 0.75 8.26 8.28 0.12 0.92 7.47a 8.61b 7.02a 9.97c 0.14 <0.001 0.80
Texture:
Shear force, N 32.8 33.6 1.10 0.59 33.0 33.4 1.10 0.81 21.4a 36.2b 42.5c 32.7b 1.56 <0.001 0.22
Hardness (30%), N 20.7 19.3 1.09 0.36 19.1 21.0 1.09 0.22 26.3b 24.0b 13.6a 16.2a 1.07 <0.001 0.30
Adhesiveness, N × s −1.73 −1.73 0.08 1.00 −1.81 −1.66 0.08 0.20 −2.00c −1.48a −1.84bc −1.62ab 0.09 <0.001 0.88
Cohesiveness 0.54 0.55 0.01 0.25 0.55 0.54 0.01 0.56 0.53a 0.60b 0.53a 0.52a 0.01 <0.001 0.51
Springiness 0.73 0.73 0.01 0.81 0.73 0.73 0.01 0.81 0.74 0.72 0.72 0.72 0.01 0.34 0.10
Chewiness, N 8.42 7.92 0.52 0.50 7.76 8.58 0.52 0.27 10.6b 10.6b 5.33a 6.18a 0.54 <0.001 0.65

1The fixed effect of sex was not significant.

2BF: Biceps femoris; QF: Quadriceps femoris; SM: Semimembranosus muscle; ST: Semitendinosus muscle.

3Measured on square samples (15 × 15 mm) taken from close to the Biceps femoris muscle.