Synthetics
1-octen-3-one has a strong metallic, mushroomy scent with hints of cranberry, melon, and other fruity notes.
Mosciano, Gerard P&F 26, No. 5, 68, (2001): Intense earthy, metallic, mushroom-like with vegetative nuances of cabbage and broccoli. it has minor savory notes of fish and chicken
Luebke, William tgsc, (1989): Herbal mushroom earthy musty dirty
R C Treatt & Co Ltd: Distinct mushroom
Bedoukian Research: Mushroom-like
Used in compositions where an earthy note is needed.