7 Pot Yellow Brain Strain (C. chinense) is a delicious hot pepper. It is probably among the best for blending heat and flavor. The Brain Strain peppers feature lots of “brain” dimpling, and are believed to be closely related to the Trinidad Moruga Scorpion. Scoville ratings for the Red Brain Strain can purportedly reach between 1.5 – 2 million SHU, but the yellow version is more mellow. A favorite pepper for making great yellow powder and hot sauce.