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Volatile Chemical Emissions from Essential Oils with Therapeutic Claims



Details

  • Personal Author:
  • Description:
    Essential oils emit many volatile organic compounds (VOCs), with some considered potentially hazardous. However, little is known about specific emissions from essential oils that make therapeutic claims for health and well-being. This study investigated VOCs emitted from 14 commercially available essential oils with therapeutic claims, such as beneficial for coughs, colds, flus, relaxation, sleep, tension, headaches, stress, or skin irritation. The essential oils were selected from different brands and types, such as tea tree oil, lavender oil, eucalyptus oil, geranium oil, peppermint oil, bergamot oil, orange oil, and oil blends. Analyses were performed using headspace gas chromatography/mass spectrometry (GC/MS). The analyses found 1034 VOCs emitted from the 14 essential oils, representing 378 VOC identities. The most prevalent VOCs (in more than 90% of the oils) were acetaldehyde, alpha-phellandrene, alpha-pinene, camphene, limonene, methanol, terpinolene, 3-carene, acetone, beta-phellandrene, ethanol, and gamma-terpinene. Among the 1034 VOCs emitted, 251 VOCs, representing 60 VOC identities, are classified as potentially hazardous. The most prevalent potentially hazardous VOCs were acetaldehyde, limonene, methanol, acetone, ethanol, and 3-carene. Toluene was found in more than 70% of the essential oils. Each of the essential oils emitted 9 or more potentially hazardous VOCs. Fewer than 1% of all VOCs identified and fewer than 1% of all potentially hazardous VOCs were listed on any essential oil label, safety data sheet, or website. Results from this study provide new findings on VOC emissions from essential oils with therapeutic claims, which can help to improve public awareness about potential exposures and risks. [Description provided by NIOSH]
  • Subjects:
  • Keywords:
  • ISSN:
    1873-9318
  • Document Type:
    Text
  • Funding:
    Cooperative Agreement
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    6 pdf pages
  • Volume:
    14
  • NIOSHTIC Number:
    nn:20066564
  • Citation:
    Air Qual Atmos Health 2021 Mar; 14(3):365-369
  • Contact Point Address:
    Neda Nematollahi, Department of Infrastructure Engineering, Melbourne School of Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
  • Email:
    neda.nematollahi@unimelb.edu.au
  • Federal Fiscal Year:
    2021
  • Performing Organization:
    Public Health Institute
  • Peer Reviewed:
    True
  • Start Date:
    20050701
  • Source Full Name:
    Air Quality, Atmosphere & Health
  • End Date:
    20260630
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:bdb30304adb7c896c2ca1db217264f2c185190f9a36fe40456f98f47d92f29e884c1260bdd5a4357870c57305467698f97888d4e79e2c4a2e811c9ef86c28641
  • Download URL:
  • File Type:
    Filetype[PDF - 217.45 KB ]
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