Clarified butter (ghee)(p. 231) is not a Paleolithic food, but as it is rendered from sugars and
immunoreactive proteins it is an acceptable food that rarely provokes a negative response.
I found some different sites mentioning Lectins, Phytic acids, and
Immunoreactive proteins.
Not exact matches
All
proteins except one (MSRP4) were identified as being
immunoreactive as assessed by immunoreactivity > 3 SD above negative control (green bar).