Synthetics
(e)-2-hexen-1-yl propionate smells like a sweet, fruity, and green fragrance reminiscent of fresh cut grass and green apples.
Mosciano, Gerard P&F 25, No. 5, 72, (2000): Green, fruity apple and pear pulp with creamy and powdery nuances
Luebke, William tgsc, (2017): Green fruity apple pear banana unripe banana tropical pulpy rhubarb
Bedoukian Research: Powerful fruity, ripe apple/pear note
Can be used to lend a fruity, non-fatty topnote.