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Essential oils can contain allergenic hydroperoxides at eliciting levels, regardless of handling and storage.

Författare och institution:
Johanna Rudbäck (Institutionen för kemi och molekylärbiologi); M Nurul Islam (Institutionen för kemi och molekylärbiologi); Anna Börje (Institutionen för kemi och molekylärbiologi); Ulrika Nilsson (-); Ann-Therese Karlberg (Institutionen för kemi och molekylärbiologi)
Publicerad i:
Contact dermatitis, 73 ( 4 ) s. 253-4
Artikel, refereegranskad vetenskaplig
Sammanfattning (abstract):
Essential oils in perfumed products are important skin sensitizers (1). Upon air exposure, lavender oil, with the major components linalool and linalyl acetate, has been shown to produce strongly allergenic hydroper- oxides (2). Furthermore, linalool of natural origin was found to contain a higher concentration of hydroperox- ides than synthesized linalool (3). We have previously studied autoxidation of sweet orange oil (main compound R -limonene)andpetitgrainoil(majorcompoundslinaloo and linalyl acetate) with liquid chromatography/mass spectrometry/mass spectrometry (LC/MS/MS) (4). The investigation was performed at room temperature, under a daylight lamp (12hrs a day), and the oils were stirred 1hr four times a day, according to previous experience (5, 6). In the present study, the importance of handling con- ditions for hydroperoxide formation was investigated. The hydroperoxide concentrations of R -limonene, linalool and linalyl acetate were analysed over time.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
contact allergy; essential oils; fragrance terpene hydroperoxides; linalool (CAS no. 78-70-6); linalyl acetate (CAS no. 115-95-7); R-limonene (CAS no. 5989-27-5)
Postens nummer:
Posten skapad:
2015-12-16 15:37
Posten ändrad:
2016-08-26 11:00

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