Synthetics
Furfuryl propionate has a sweet, fruity, and slightly nutty aroma.
Luebke, William tgsc, (1996): Sweet fruity green banana oily coffee spicy
Bedoukian Research: A green banana odor with spicy (nutmeg) undertones
For spicy, nutty character in specialty fragrances.
Alfrebro: Spicy, floral, pork, liver, coffee