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(\u2212)-\u03b2-Santalol was largely dominant in all Santalum essential oil samples (&amp;gt;99%) except for the mixtures of santalols produced by biotechnology. The enantiomeric distribution of \u03b1-santalol was much less in favor of the levorotatory enantiomer, contained in percentages up to 5 and 45% in some Santalum and Osyris samples, respectively. The olfactory evaluations of synthetic (+)- and (\u2212)-\u03b1-santalol samples by a panel of 56 assessors showed that they were very weak to odorless for most panelists.<\/jats:p>","DOI":"10.1021\/acs.jnatprod.6c00530","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T19:02:11Z","timestamp":1788548531000},"page":"2452-2461","source":"Crossref","is-referenced-by-count":0,"title":["Unravelling the Enantiomeric Distribution of Key Sandalwood Sesquiterpenoids by Enantioselective Gas Chromatography and Molecular Rotational Resonance"],"prefix":"10.1021","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3512-6124","authenticated-orcid":true,"given":"Cecilia L.","family":"Cagliero","sequence":"first","affiliation":[{"name":"Universita\u0300 di Torino , , Via Pietro Giuria 9 , ,","place":["Torino, Italy, 10125"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0497-6660","authenticated-orcid":true,"given":"Reilly E.","family":"Sonstrom","sequence":"additional","affiliation":[{"name":"BrightSpec, Inc , 770 Harris Street #104b , , ,","place":["Charlottesville, Virginia, United States, 22903"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlo","family":"Bicchi","sequence":"additional","affiliation":[{"name":"Universita\u0300 di Torino , , Via Pietro Giuria 9 , ,","place":["Torino, Italy, 10125"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6134-8882","authenticated-orcid":true,"given":"Norbert A.","family":"Braun","sequence":"additional","affiliation":[{"name":"Symrise Asia Pacific Pte. 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