I think it is more that phosphates and the amounts used are one of those closely held bits of information. Not everyone wants to share, and certainly many do not want to share with everyone everywhere. I have used them but, mostly by using Butcher's injection
I'm feeling bearish, and I'm packing a Wusthof Grand Brisket slicer from MABA
"I'm Armenian...perhaps...but then again...maybe not..."