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Green leaf volatiles
- But what are we really smelling when we inhale that fresh-cut grass scent? And why do we like it so much? Chemically speaking, that classic lawn smell is an airborne mix of carbon-based compounds called green leaf volatiles, or GLVs. Plants often release these molecules when damaged by insects, infections or mechanical forces — like a lawn mower.
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The smell of freshly cut grass is an odour caused by green leaf volatiles (GLVs) released when it is damaged. Mechanical damage to grass from activities such as lawnmowing results in the release of cis -3-hexenal and other compounds that contribute to a grassy or "green" smell.
Why does cut grass smell so good? The smell is a mixture of oxygenated hydrocarbons called green leaf volatiles (GLV). It smells so good because we associate this with summer and weekends!
May 1, 2012 · It’s the smell of chemical defenses and first aid. The fresh, “green” scent of a just-mowed lawn is the lawn trying to save itself from the injury you just inflicted.
Oct 19, 2023 · The smell of 'freshly cut grass' is caused distress signals that plants release through volatile organic molecules like esters and aldehydes.
- Upamanyu Acharya
- 3 min
The pheromones emitted by freshly-mown grass are known as GLVs – short for green leaf volatiles. Scientists believe that GLVs smell good because they remind us of food. Vegetables release GLVs when they are chopped, and fruit releases GLVs as they mature.
May 6, 2019 · But what are we really smelling when we inhale that fresh-cut grass scent? And why do we like it so much? Chemically speaking, that classic lawn smell is an airborne mix of carbon-based compounds called green leaf volatiles, or GLVs.
