>>>Though it is a bit interesting that eggs can be eaten with dairy products and eggs are not considered meat, but poultry is considered meat. Actually, it is considered meat by the rabbies (commentators) not that it was mentioned in Torah.
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>>Maybe I'm wrong then, but I've always considered eggs to be 'dairy', which, I suppose is why they may be eaten with dairy.
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>>Besides, how could you be sure that there were no blood spots in the eggs used by Helman's etc. Or do you buy only kosher mayonaisse?
>
>Good point. I usually buy food in a kosher supermarket right close to my home. But I also trust the kosher sign U on the mayo, though I'm not sure how exactly could be verified.
>
>I guess if I want to be 100% sure I have to make mayo myself.

Well, I'd say if you're buying it at a kosher supermarket and it is marked as kosher, then you're probably ok as far as the quality of the ingredients.