The Quantitative Determination of the Myofibrillar and Connective Tissue Proteins in Skeletal Muscles and Composite Meats

  • Karatzas, Constantinos N.
Publication date
January 1987
Publisher
McGill University

Abstract

Note:The myofibrillar and connective tissue protein contents of the costal bovine Diaphragm have been determined by use of analytical chromatographic methods developed to quantitate the unique amino acids that occur in these proteins. Myosin and actin were determined from the amounts of Nt methylhistidine found in the acid hydrolysates of the intracellular muscle protein fraction which was separated from the extracellular matrix of the Diaphragm in sodium dodecyl sulphate (2%) and CaCl 2 (0.05M). The costal Diaphragm contained 11.4% actin, and 23.6% myosin corresponding to 17.5 and 36.3% of the myofibrillar proteins. The content of collagen (2.61%) in the SDS.-insoluble extracellular fraction was determined from the amounts of 5 hydroxylysi...

Extracted data

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