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Egg Pasteurization Neutralizes Avidin?

Answered on August 19, 2014
Created January 09, 2012 at 2:35 AM

Not to be confused with "pastured".

I am interested in drinking raw eggs and I read this Mark's Daily Apple about it: http://www.marksdailyapple.com/drinking-raw-eggs/#axzz1ivCovjR4

Does pasteurization neutralize Avidin, thus making the Biotin more nutritionally available?

361bc16cfdad25411a6f93e10c45aadc

on January 13, 2012
at 01:41 PM

Good stuff, thanks!

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on January 13, 2012
at 02:01 AM

@jatx, what Luisa talked about was unpasteurized eggs. Pasteurization always involves heat. Heat makes the protein more available. I know there are some sources of "raw" pasteurized eggs if you can find them. They're heated to a lower temp for a long period so the egg is safe but still looks/tastes raw. You can also pasteurize at home--Google for methods.

361bc16cfdad25411a6f93e10c45aadc

on January 10, 2012
at 12:46 AM

Is that the best method of pasteurizing my eggs? Does the pasteurization really neutralize the Avidin in the whites? Does it make the protein more available?

19acef0aed67ef8dc1118d8e74edb349

(2954)

on January 09, 2012
at 06:12 AM

When I grew up in my country we had raw egg desserts, and we kept them at room temperature. Even the bakeries sold them. Hmm our relatives would come from the city (2 hr drive!) and bring these egg desserts. We didn't get sick. Our fresh eggs were always kept at room temperature on the counter, but we got them from our chickens... Make sure the eggs have not been washed/cleaned, only before you use them. Yes, I know, it's chicken poop, gross! But that gives it a protective layer. Trust the source of your eggs, then enjoy.

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2 Answers

2
32f5749fa6cf7adbeb0b0b031ba82b46

(41747)

on January 13, 2012
at 02:36 AM

Let me Wikipedia that for you: http://en.wikipedia.org/wiki/Avidin#Inactivation_of_biotin_binding_activity

No, pasturization does not inactivate avidin.

361bc16cfdad25411a6f93e10c45aadc

on January 13, 2012
at 01:41 PM

Good stuff, thanks!

0
77877f762c40637911396daa19b53094

(78467)

on January 09, 2012
at 04:55 AM

If you are comfortable with the source of your eggs they should be safe raw. In the good old days we always made eggnog with raw unpasteurized eggs and never had any problems. Or maybe the rum neutralized the bugs!

I occasionally add raw "wild" eggs to my smoothies and I am fine.

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