How does olive oil prevent water from boiling over? | The Olive Oil Source
 

How does olive oil prevent water from boiling over?

From: 
Brenda
Question: 

How does olive oil prevent overflow of water when boiling pasta?

Source: 
Olive Oil News
Answer: 

The oil floats on top, changing the surface tension of the boiling water, preventing bubbles and boiling over. I know some people who put a bit of butter or oil in their jams to preventing foaming also.

Date: 
Saturday, October 10, 1998

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