
What is the basic mechanism behind spherification used in molecular gastronomy?
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Get StartedWhat is the basic mechanism behind spherification used in molecular gastronomy?
Options:
- Sodium alginate forms a gel membrane when droplets meet calcium ions
- Heating gelatin until it blooms and then cooling into spheres
- Using high‑pressure freezing to form spherical ice crystals
- Emulsifying oil droplets in an egg yolk matrix to form caviar‑like beads
Correct answer: Sodium alginate forms a gel membrane when droplets meet calcium ions
Explanation: Basic spherification uses sodium alginate solutions dropped into calcium (e.g., calcium chloride) where calcium ions cross‑link alginate chains to form a thin gel membrane; the reaction typically forms skins within minutes.
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