Description
Extended collagen hydrolysis and fat emulsification creates stable pork bone broth emulsion.
Technical
Prolonged simmering (95-100°C) hydrolyzes collagen into gelatin via proteolytic breakdown while mechanical agitation from boiling emulsifies marrow lipids into water phase. Calcium release from bones stabilizes the oil-in-water emulsion.
Culinary Significance
Essential for authentic tonkotsu ramen's signature creamy texture and mouth-coating richness without separation.
Science
Primary Reaction
Collagen → Gelatin (hydrolysis)
Parameters
Temperature
98°C optimal
95°C to 100°C range
Time
15 hours
12 hours – 18 hours
Equipment
Pressure-resistant stockpot (prevents evaporation loss)Fine mesh skimmer (removes coagulated proteins)Chopstick bridge (prevents boil-over)