pigment2 - Meat is Muscle Tissue (skeletal muscle)...

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Meat is Meat is Muscle Tissue (skeletal muscle) Connective Tissue Adipose Tissue (fat) Muscle Tissue Muscle is made up of bundles of muscle fibers Muscle fibers contain thousands of myofibrils Myofibrils contain thousands of thin and thick filaments of actin, myosin and other proteins. The color of meat depends largely on myoglobin (with some contribution from mitochondria) Pigments of Meat • Heme pigments are responible for the color of meat • Myoglobin is the primary pigment • Hemoglobin the pigment of blood is of secondary importance Fat Fat is held by Connective Tissue is held by Connective Tissue Between muscles, it is called seam fat (usually trimmed) Within the muscles, it is called marbling (often prized)
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Muscle Proteins Muscle Proteins Sarcoplasm proteins Enzymes Mitochondrial & Nucleoproteins Lysosomal Proteases Myoglobin Connective Tissue Collagen Elastin Reticulin Titin Nebulin Vinmentin Synemin Myofibrillar Proteins
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This note was uploaded on 05/03/2009 for the course FST 101B taught by Professor Charlesshoemaker during the Winter '08 term at UC Davis.

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pigment2 - Meat is Muscle Tissue (skeletal muscle)...

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