Apparently mayonnaise did not always include egg yolk.<p><pre><code>  https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Mayonnaise
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But besides this, the label appears to do plenty to explain to consumer what it is:<p><a href="http:&#x2F;&#x2F;www.choosingraw.com&#x2F;wp-content&#x2F;uploads&#x2F;2013&#x2F;07&#x2F;IMG_5545.jpg" rel="nofollow">http:&#x2F;&#x2F;www.choosingraw.com&#x2F;wp-content&#x2F;uploads&#x2F;2013&#x2F;07&#x2F;IMG_55...</a>