sunflower seeds? Its my first time

I just took the seeds out of a sunflower washed and dried them, and they seem to turn my fingers and lips purple... What did I do wrong????
Jack
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.