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Tue, Feb-26-08, 12:56
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Senior Member
Posts: 1,876
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Plan: Generic low carb
Stats: 212/167/135
BF:
Progress: 58%
Location: Long Island, NY
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Actually, it is used to change the pH.
Quote:
Cream of tartar (potassium bitartrate) is an acidic salt that can be used to change the pH of the egg white to an acidic range by boosting the number of free-floating hydrogen ions in the egg white. This has the effect of stabilizing the foam, and is therefore an alternative to using a copper bowl. 1/8 teaspoon/0.5g cream of tartar should be used per one egg white to create this effect. 1/2 teaspoon/2ml of lemon juice can also be used to create the same results.[9]
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(From http://encyclopedia.thefreedictionary.com/albumen)
Additionally,
From ochef.com -
If you are beating eggs whites and don't have cream of tartar, you can substitute white vinegar (in the same ratio as cream of tartar, generally 1/8 teaspoon per egg white).
From Aki's Kitchen -
When you're ready to whip your egg whites, add an acid to them such as cream of tartar, lemon juice or vinegar, usually about 1/4 teaspoon (of either acids) for every 2 whites. I prefer using cream of tartar, because it is flavourless, which is ideal to use. Lemon juice and vinegar, on the other hand, will leave their taste in the whites and you might not want this.
I have never tried vinegar, so can't confirm from personal experience. ![Wink](/images/smilies/wink.gif)
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