What You Need to Know
At 45–50 °C ovalbumin denatures into a translucent gel, while at 55 °C ovotransferrin coagulates, setting the white. The yolk’s lipovitellin remains liquid until ~60 °C, so maintaining the bath below 55 °C preserves a creamy consistency.
The Science
Primary Reaction
Denaturation of ovalbumin and coagulation of ovotransferrin at controlled temperatures