Research Article

Proximate Composition, Amino Acid Profile, and Mineral Content of Four Sheep Meats Reared Extensively in Morocco: A Comparative Study

Table 5

Protein quality index (CS and IEAA) of Beni-Guil, Timahdite and Ouled-Djellal sheep meats.

Pattern proteinBreedEffect
BGABGTTiODj

CS-valine3.9282.71 ± 12.02a296.27 ± 3.97abc345 ± 84±42.41bc328.45 ± 10.55bc
CS-Met-Cys2.2573.51 ± 4.36ab536.80 ± 21.93a585.36 ± 18.04b614.92 ± 26.13b
CS-isoleucine3468.18 ± 7.64a471.12 ± 0.90a536.76 ± 17.64b535.64 ± 6.75b
CS-threonine2.3705.13 ± 20.90a706.91 ± 10.36a773.82 ± 8.03b809.46 ± 15.36c
CS-leucine5.9347.90 ± 3.15a348.11 ± 1.91a402.65 ± 8.51b396.40 ± 6.46b
CS-Phe-tyr3.8757.58 ± 14.99b752.94 ± 11.15b822.03 ± 19.10b861.84 ± 12.91c
CS-histidine1.5707.79 ± 7.46523.83 ± 92.17867.74 ± 71.99542.88 ± 21.34
CS-lysine4.5376.90 ± 10.51a390.13 ± 1.91a458.66 ± 4.78b438.13 ± 13.01b
IEAA158.71 ± 0.43a159.65 ± 0.38ab162.20 ± 0.67c161.02 ± 1.38bc

; ; ; a,b,cvalues with different letters are significantly () different within rows; BGA: female lambs of Beni-Guil breed sampled in the Ain Beni Methar region; BGT: female lambs of Beni-Guil breed sampled in the Tendrera region; Ti: Timahdite breed; ODj: Ouled-Djellal breed; pattern protein: reference protein provided by WHO/WHO/UNU (2007); CSEAA or CS: chemical score essential amino acid; IEAA: essential amino acids index; Met-Cys: methionine + cysteine; Phe-Tyr: phenylalanine + tyrosine; values of CS and IEAA are referred only with respect to FAO/WHO/UNU (2007) protein pattern.