MEATCOMPOSITION:
MEAT COMPOSITION Structure
Water
Muscle
Connective Tissue
Adipose -Fatty- Tissue
Bone
Proportions of Each Varies According to Animal & Anatomy
MEATCOMPOSITION:
MEAT COMPOSITION
MEATCOMPOSITION:
MEAT COMPOSITION Structure
Connective Tissue
Ligaments & Tendons “Glue”
Effect of Collagen on Tenderness Figure 6-5
Primary Protein
Pearly White Tough Fibrous Protein
Supports Muscle
Prevents Overstretching
Effect of Age on Tenderness
Effect of Elastin on Tenderness
MEATCOMPOSITION:
MEAT COMPOSITION Structure
Adipose -Fatty- Tissue
Cover Fat On Outside of Meat
Marbling
Deposited in Muscle
Little White Streaks or Drops
Bone
MEATCOMPOSITION:
MEAT COMPOSITION Pigments
Myoglobin Hemoglobin
Meat + O2 -› Change in Myoglobin
Myoglobin w/o O2 -› Purplish Red
Myoglobin + O2 -› Bright Red
Effects of Heat on Color
Initially Converts Raw Meat to Bright Red
Denature Pigment-Containing Proteins -› Well-Done Meat Grayish Brown
Storing Meat -› Yellow Green Faded
MEATPURCHASING:
MEAT PURCHASING Artificial Tenderizing
Chemical
Enzymes
Mechanical Tenderization
Grinding Cubing Needling Pounding
Marination
Acids
Slide8:
Refer to p. 132 for Complete Figure
MEATPURCHASING:
MEAT PURCHASING
MEATPURCHASING:
MEAT PURCHASING