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The steaks were weighed before and after cooking, http://www.selleckchem.com/products/smoothened-agonist-sag-hcl.html when the surface temperature reached 40?��C, to determine the total cooking loss. Temperatures were monitored using a digital thermometer (model 51, Novus Produtos Eletronicos Ltda., Porto Alegre, Brazil) with a K-type probe inserted into the center of each steak. The cooked steaks were left in a refrigerator overnight and 8 cylindrical samples, with one-half inch diameter and parallel fiber orientation, were drawn from each steak. Shear forces were determined with a TA.XT2i Texture Analyzer (Stable Micro System Limited, Surrey, England) coupled with a Warner�CBratzler type blade (TA-7 USDA). The crosshead speed was set at 200?mm/min and the samples were sheared perpendicular to the longitudinal orientation of the muscle fiber. Tenderness, juiciness and flavor were evaluated by 15 trained http://www.selleckchem.com/products/epz015666.html panelists, using the quantitative descriptive analysis method with a structured 10-point scale, where 0 was slightly tender, slightly juicy or had slightly aged flavor, 5 was tender, juicy or had aged flavor and 10 was very tender, very juicy or had intense aged flavor. Meat cube samples of 1.5?cm were taken from cooked steaks and presented in a monadic sequential scheme with random rotation to prevent the ��carry over�� effect. Sarcomere length was measured immediately after boning and after 14?d pm. For HBVFC-treated muscles it was measured soon after very fast chilling. The method utilized was a general histological processing for the morphometric analysis of length. Muscle fragments, with their principal axes oriented along the muscle fiber were collected from the same inner LL muscle position. After washing the fragments with physiological solution, they were laid on aluminum foil containing CRYOform? and frozen with liquid nitrogen in an n-hexane solution. Sections 6?��m in thickness were cut using a cryotome (IEC-USA). The images were captured http://www.selleck.cn/products/SP600125.html with a microscope (Eclipse 800, Nikon, Japan) and digital camera (CoolSnap-Pro Digital Media Cybernetics, USA) and processed with the ImagePro-Plus Software Media Cybernetics, USA. The experimental design was randomized blocks considering the slaughter as a blocking factor. Analysis of variance (ANOVA) was used to test for the significance of blocks, aging time, treatment and interaction of aging time/treatment. The Duncan's Multiple Range Test for variables was used to detect mean differences (p?