What You Need to Know
Acetic acid protonates calcium phosphate in bones, converting hydroxyapatite to more soluble calcium acetate while breaking collagen triple helices into gelatin polypeptides.
Fundamental for nutrient-rich stocks and emulsified sauces where both mineral content and viscosity are desired.
Key Parameters
Temperature
85°C
70°C - 95°C
Time
12 hours
4 hours - 48 hours
Equipment
pH meterfine mesh strainerheavy-bottomed pot
Steps
- 1.
Vietnamese pho broth (Vietnam): Extracts calcium and magnesium while balancing richness
- 2.
French demi-glace (France): Enhances mouthfeel and mineral complexity
The Science
Primary Reaction
Proteolysis