It is, indeed, FDA-approved for human consumption!
It has GRAS status, but needs to be "solvent free" in the eCFR 182.20
https://www.ecfr.gov/cgi-bin/retrieveECFR?gp=1&SID=5af375a9ef8d063fc6c3bb215b7d4332&ty=HTML&h=L&mc=true&n=pt21.3.182&r=PART
Assumingly, having a GRAS status, there is no...