Middle East and the Mediterranean region are the source of the best Cumin.
If you are asking about the flavor, its earthy, nutty, spicy and warm.
You have two color choices, Cumin is the name of green one and black one is called Caraway.
Cumin increases the release of bile from the liver, bile helps digest fats and certain nutrients in your gut.
Cumin improves blood cholesterols & promotes weight loss and fat reduction.
Many seasonings, including cumin, appear to have antimicrobial properties that may reduce the risk of food-borne infections
As a spice and seasoning for cooking your Salmon, Cumin is the best choice.
If you are vegan and need some Iron, Cumin is a rich source, you could add it on your salad topping sparingly.