Table 4. Effect of supplementing vitamin E and nanoparticle-sized vitamin E on breast meat quality in broilers1

Items CON T1 T2 SE P-value
Content
 Moisture (%) 83.14 83.70 83.83 0.573 0.669
 Ash (%) 0.75 0.96 0.84 0.085 0.276
 Fat (%) 1.01 0.93 1.10 0.087 0.407
 Vitamin E (mg/kg) 7.35b 9.69a 9.38a 0.186 <0.001
Characteristic
 pH 5.85 5.86 5.86 0.043 0.981
 CL (%) 12.32 12.06 13.93 0.603 0.100
 DL (%) 4.49 5.54 4.42 0.540 0.374
 WHC (%) 54.00 53.79 61.65 2.713 0.106
 Shearing force (g/g) 2,489.00 2,243.00 2,009.00 117.776 0.070
Hunter color
 L* 45.26 48.23 46.19 1.389 0.336
 a* 4.51 4.45 4.07 0.411 0.722
 b* 11.16 11.66 10.46 0.348 0.086
CON, basal diet; T1, basal diet+380 mg/kg of vitamin E; T2, basal diet+380 mg/kg of nanoparticle-sized vitamin E; WHC, water holding capacity; CL, cooking loss; DL, drip loss; L*, lightness; a*, redness; b*, yellowness; SE, standard error.
Means within column with different superscripts differ significantly (P<0.05).