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Open AccessArticle

Chemical Diversity of Headspace and Volatile Oil Composition of Two Brown Algae (Taonia atomaria and Padina pavonica) from the Adriatic Sea

1
Department of Organic Chemistry, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia
2
Department of Food Technology and Biotechnology, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia
3
Division of Organic Chemistry and Biochemistry, Ruđer Bosković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
4
Department of Process Engineering, Faculty of Food Technology, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 20, 31000 Osijek, Croatia
*
Author to whom correspondence should be addressed.
Molecules 2019, 24(3), 495; https://doi.org/10.3390/molecules24030495
Received: 6 January 2019 / Revised: 25 January 2019 / Accepted: 27 January 2019 / Published: 30 January 2019
Two selected brown algae (Taonia atomaria and Padina pavonica from the family Dictyotaceae, order Dictyotales) growing in the same area (island Vis, central Adriatic Sea) were collected at the same time. Their phytochemical composition of the headspace volatile organic compounds (HS-VOCs; first time report) was determined by headspace solid-phase microextraction (HS-SPME). Hydrodistillation was applied for the isolation of their volatile oils (first report on T. atomaria volatile oil). The isolates were analyzed by gas chromatography (GC-FID) and mass spectrometry (GC-MS). The headspace and oil composition of T. atomaria were quite similar (containing germacrene D, epi-bicyclosesquiphellandrene, β-cubebene and gleenol as the major compounds). However, P. pavonica headspace and oil composition differed significantly (dimethyl sulfide, octan-1-ol and octanal dominated in the headspace, while the oil contained mainly higher aliphatic alcohols, trans-phytol and pachydictol A). Performed research contributes to the knowledge of the algae chemical biodiversity and reports an array of different compounds (mainly sesquiterpenes, diterpenes and aliphatic compounds); many of them were identified in both algae for the first time. Identified VOCs with distinctive chemical structures could be useful for taxonomic studies of related algae. View Full-Text
Keywords: marine algae; headspace solid-phase microextraction (HS-SPME); hydrodistillation (HD); gas chromatography and mass spectrometry (GC-MS); sesquiterpenes; dimethyl sulfide; octan-1-ol marine algae; headspace solid-phase microextraction (HS-SPME); hydrodistillation (HD); gas chromatography and mass spectrometry (GC-MS); sesquiterpenes; dimethyl sulfide; octan-1-ol
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Jerković, I.; Kranjac, M.; Marijanović, Z.; Roje, M.; Jokić, S. Chemical Diversity of Headspace and Volatile Oil Composition of Two Brown Algae (Taonia atomaria and Padina pavonica) from the Adriatic Sea. Molecules 2019, 24, 495.

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