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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Foam creation stabilizes air bubbles using surface-active proteins and surfactants, while calcium‑alginate gelation locks bubbles for aerated spherification.
Origin: Spanish (21st century) — Spain
See full technique reference →Proteins such as ovalbumin denature between 45–70 °C, forming a visco‑elastic film that traps air. Surfactants like lecithin lower interfacial tension below 30 mN m⁻¹, creating micro‑foams. Calcium‑alginate cross‑links in the presence of Ca²⁺ to form a gel that encapsulates gas bubbles.
Primary Reaction
Protein denaturation and surfactant adsorption leading to foam stabilization; calcium‑alginate cross‑linking for aerated spherification
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Key Variables