Identification of 7000-year-old #arrow #poison in Kruger Cave, South #Africa.
'This is the oldest unequivocal complex hunting poison recipe yet identified, notwithstanding the many chemically unsupported assertions of older examples. Furthermore, the identification of ricinoleic acid points to the possibility of ricin as a third toxin, and lends credence to the 2012 interpretation of this compound’s presence on a 24 000-year-old wooden applicator at Border Cave, South Africa'
https://www.cell.com/iscience/fulltext/S2589-0042(24)02663-4