Food safety company Sample6 has appointed a new CEO and raised $12.7 million in a series C round to accelerate expansion of its rapid pathogen testing business. The company has raised a total of $32 million to date, most recently from Acre Venture Partners and Valley Oak Investments, with participation from Canaan Partners and Cultivian Sandbox Ventures. Sample6’s current products enable clients such as Unilever, Smithfield and Saputo to monitor bacteria growth at numerous points in the manufacturing…