It gets serious with potency. The ground turmeric (Curcuma longa) root contains a minimum of 4% curcumin – the key component people look for. Deep, golden-yellow hue. Pungent, distinctive aroma. This is the spice that gives curry powder its signature color. Taste that’s warm, earthy &…well, simply hard to describe. Some say it’s like ginger & pepper. But it’s kind of not. So, just try a bite for yourself.