It's a specific mix of components, each bearing important and usually volatile combinations of chemicals. There's a scientific formula for artificial banana fl

It's a specific mix of components, each bearing important and usually volatile combinations of chemicals. There's a scientific formula for artificial banana flavor, but none for bananas, by analogy. And like bananas, the product is volatile. An unsealed 50yo bottle of Chanel No. 5 does not smell like it did when bottled.