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Sulfate turpentine: a resource of tick repellent compounds
KTH, School of Chemical Science and Engineering (CHE), Chemistry. (Ecological Chemistry Group)
KTH, School of Chemical Science and Engineering (CHE), Chemistry. (Ecological Chemistry Group)
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry. (Ecological Chemistry Group)
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry. (Ecological Chemistry Group)
2017 (English)In: Experimental & applied acarology, ISSN 0168-8162, E-ISSN 1572-9702, Vol. 72, no 3, 291-302 p.Article in journal (Refereed) Published
Abstract [en]

Compounds with tick (Ixodes ricinus) repellent properties were isolated from sulfate turpentine consisting of Norway spruce (80%) and Scots pine (20%) from southern Sweden. The turpentine was divided into two fractions by distillation under reduced pressure resulting in one monoterpene hydrocarbon fraction and a residual containing higher boiling terpenoids. The monoterpene fraction was further oxidized with SeO2 to obtain oxygenated monoterpenes with potential tick repellent properties. The oxidized fraction and the high boiling distillation residual were each separated by medium pressure liquid chromatography. The fractions were tested for tick repellency and the compounds in those with highest tick repellency were identified by GC-MS. The fractions with highest repellency contained, mainly (-)-borneol, and mixtures of (+)- and (-)-1-terpineol and terpinen-4-ol. The enantiomers of borneol showed similar tick repellent properties.

Place, publisher, year, edition, pages
Springer, 2017. Vol. 72, no 3, 291-302 p.
Keyword [en]
Ixodes ricinus, Repellency, Conifer turpentine, Borneol
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-212945DOI: 10.1007/s10493-017-0145-7ISI: 000407247000007Scopus ID: 2-s2.0-85020310698OAI: oai:DiVA.org:kth-212945DiVA: diva2:1136012
Note

QC 20170825

Available from: 2017-08-25 Created: 2017-08-25 Last updated: 2017-08-25Bibliographically approved

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Schubert, FredrikPålsson, KatinkaSantangelo, EllenBorg-Karlson, Anna-Karin
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