Description
A perpetually replenished braising liquid where proteins undergo Maillard reactions, collagen hydrolysis, and flavor compound extraction over multiple cycles.
Technical
The stock's high salinity (12-18% NaCl from soy sauce) denatures proteins while maintaining 85-95°C thermal conditions for controlled myofibrillar breakdown. Recurrent boiling drives esterification of spice aromatics (linalool from star anise, cinnamaldehyde from cassia) with meat-derived glutamates.
Culinary Significance
Creates deeply flavored proteins with glassy gelatinous textures. The perpetual reuse builds umami complexity through glutamic acid polymerization. Proper maintenance requires skimming coagulated proteins (90-100°C) and replenishing evaporated water to maintain 1.080-1.100 specific gravity.
Science
Primary Reaction
Maillard Reaction
Parameters
Temperature
90°C optimal
85°C to 95°C range
Maintained via clay pot thermal inertia
Time
2 hours (for chicken)
30 minutes (for eggs) – 4 hours (for beef shank)
Longer times for older stocks with higher gelatin content
Equipment