Influence of Sex on the Physical-chemical Characteristics of Abdominal Chicken Fat
AUTOR(ES)
Marx, SD, Soares, JM, Prestes, RC, Schnitzler, E, Oliveira, CS, Demiate, IM, Backes, GT, Steffens, J
FONTE
Rev. Bras. Cienc. Avic.
DATA DE PUBLICAÇÃO
2016-06
RESUMO
ABSTRACT The aim of this study was to determine if sex influenced abdominal fat yield, chemical composition, pH, color, fatty acid profile, and stability (by Differential Scanning Calorimetry - DSC) of Cobb chickens. Abdominal fat yields of 1.86 and 1.49% were obtained for females and males, respectively. Abdominal fat lipid contents of 70.68 and 74.36 g/100g, moisture content of 27.87 and 24.09 g/100g, protein content of 0.91 and 0.95 g/100g, ash content of 0.038 and 0.041 g/100g were obtained in males and females, respectively. Fat pH was not different between sexes, with values of 6.71 for males and 6.63 for females (p<0.05). Color L* values of 58.67 and 55.42, a* values of 4.95 and 3.44, and b* values of 7.36 and 8.18 were obtained for males and females, respectively. Female abdominal fat contained higher proportion of oleic acid (53.87%) followed by palmitic acid (30.07%), whereas 34.69% palmitic acid, 31.92% oleic acid, and 25.30% linoleic acid were determined in males. The proportions of the evaluated fatty acids were significantly different (p>0.05) between males and females, except for palmitic acid. The DSC analysis showed no significant difference (p>0.05) between sexes for melting and crystallization points. It was concluded that sex influences abdominal chicken fat yield, chemical composition, color, and DSC parameters.
Documentos Relacionados
- Physical-Chemical Characteristics of Designer and Conventional Eggs
- Influence of UV Radiation on the Physical-chemical and Mechanical Properties of Banana Fiber
- Influence of Photoinitiator System on Physical-Chemical Properties of Experimental Self-Adhesive Composites
- Domestic processing and storage on the physical-chemical characteristics of acerola juice (Malpighia glabra L.).
- Physical-chemical characteristics of whitening toothpaste and evaluation of its effects on enamel roughness