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However, the current data show non-neglectable skin sensitizing potential of these preparations suggesting an urgent need for data regarding their health safety profile. The aim of this study was to assess the skin sensitization potential of commercial essential oils by selected <jats:italic>Lamiaceae<\/jats:italic> species (<jats:italic>Lavandula angustifolia, Melissa officinalis, Mentha longifolia, Thymus vulgaris, Salvia officinalis,<\/jats:italic> and <jats:italic>Rosmarinus officinalis<\/jats:italic>) using a chemistry-based Direct Peptide Reactivity Assay (DPRA) in order to predict their potential allergic properties. In the DPRA assay, nucleophile-containing synthetic peptides (cysteine peptide and lysine peptide) were incubated with the test substance for 24\u00a0h. Depletion of the peptide in the reaction mixture was measured by high-pressure liquid chromatography (HPLC) using UV detection and the average peptide depletion data for cysteine and lysine was then calculated. <jats:italic>Menthae longifoliae aetheroleum<\/jats:italic> showed no or minimal reactivity with 4.48% cysteine depletion, <jats:italic>Rosmarini aetheroleum<\/jats:italic> and <jats:italic>Salviae aetheroleum<\/jats:italic> showed low reactivity with the 12.79% and 15.34% of cysteine depletion, respectively, while the other analyzed essential oils showed moderate reactivity with the cysteine depletion between 23.21 and 48.43%. According to DPRA predictive analysis, only <jats:italic>Menthae longifoliae aetheroleum<\/jats:italic> can be classified as negative, while all other essential oils may be classified as positive, thus having the potential to cause skin sensitization.<\/jats:p>","DOI":"10.1038\/s41598-022-11171-2","type":"journal-article","created":{"date-parts":[[2022,5,6]],"date-time":"2022-05-06T20:03:13Z","timestamp":1651867393000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Application of direct peptide reactivity assay for assessing the\u00a0 skin sensitization potential  of essential oils"],"prefix":"10.1038","volume":"12","author":[{"given":"Elma","family":"Omeragic","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mirza","family":"Dedic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alisa","family":"Elezovic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ervina","family":"Becic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Belma","family":"Imamovic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nebojsa","family":"Kladar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haris","family":"Niksic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,5,6]]},"reference":[{"key":"11171_CR1","doi-asserted-by":"publisher","first-page":"307","DOI":"10.1007\/s40521-015-0066-9","volume":"2","author":"B Oliver","year":"2015","unstructured":"Oliver, B., Krishnan, S., Rengifo Pardo, M. & Ehrlich, A. 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