As Ed explains at 5:40 in the video [1] above, they use a high-performance liquid chromatography (HPLC) test [2] rather than a subjective taste panel now. [2]

As Ed explains at 5:40 in the video [1] above, they use a high-performance liquid chromatography (HPLC) test [2] rather than a subjective taste panel now. [2] https://en.wikipedia.org/wiki/Scoville_scale https://en.wikipedia.org/wiki/Scoville_scale