Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Odor Perception and Descriptions of Rose-Scented Geranium Pelargonium graveolens ‘Dr. Westerlund’ – Sensory and Chemical Analyses

Version 1 : Received: 28 April 2023 / Approved: 29 April 2023 / Online: 29 April 2023 (05:03:07 CEST)

A peer-reviewed article of this Preprint also exists.

Wendin, K.; Pálsdóttir, A.M.; Spendrup, S.; Mårtensson, L. Odor Perception and Descriptions of Rose-Scented Geranium Pelargonium graveolens ‘Dr. Westerlund’–Sensory and Chemical Analyses. Molecules 2023, 28, 4511. Wendin, K.; Pálsdóttir, A.M.; Spendrup, S.; Mårtensson, L. Odor Perception and Descriptions of Rose-Scented Geranium Pelargonium graveolens ‘Dr. Westerlund’–Sensory and Chemical Analyses. Molecules 2023, 28, 4511.

Abstract

The positive impact of nature on human health has been explored by researchers. Although studies have indicated that olfaction and odors have an impact on both memory and health, re-search on the odor perception in relation to perceived health is scarce. A recent study found that the naturenatural scent from stem cuttings and potted plants of a specific rose-scented geranium Pelargonium graveolens, ‘Dr. Westerlund,’Westerlund’ had positive effects on stress-related mental disorders. reduction. Essential oils from many Pelargonium species, in particular ‘Dr. Westerlund’, are known to have phytochemical properties and pharmacological activities. No study has, so far, explored and identified the chemical com-pounds and the sensory perception of these compounds in stem cuttings and the potted ´Dr. Westerlund´ plantplants. Such knowledge would be an important contribution forto an increased understanding of the effects of plants’ chemical odor properties on human well-being and link this to the expressed perceived scents. Resulting sensory profiles of P.This study aimed to identify the sensory profile and suggest responsible chemical compounds of Pelargonium graveolens ´Dr. Westerlund´ as a potted plant and as stem cuttings were reported, as well as´. The sensory and chemical analysis results revealed sensory profiles of Pelargonium graveolens ´Dr. Westerlund´s, and suggestions for the chemical compounds that are attributed to the sensory profiles. Further studies are recommended to investigate the odor experience of scented pelargonium species in relation to various levels ofcorrelation between volatile com-pounds and possible stress hormones. reduction in humans.

Keywords

sensory profile; chemical profile; gas chromatography; odor identification; Dr. Westerlund; Pelargonium graveolens

Subject

Biology and Life Sciences, Horticulture

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