Keynote 2: Chemical Diversity of Marine Algae Volatile Organic Compounds (VOCs) - Selected Examples
While the volatile organic compounds (VOCs) of terrestrial plants have attracted attention since antiquity, the VOCs of marine algae have been much less investigated. Complementary isolation protocols were used for VOCs extraction:
- Headspace solid-phase microextraction (HS-SPME) and hydrodistillation (HD) followed by gas chromatography and mass spectrometry analysis (GC-MS).
- More or less complex chemical profiles of VOCs were obtained including monoterpenes, sesquiterpenes, norisoprenoids, aromatic compounds, hydrocarbons and others.
- Possible biosynthetic correlations among identified compounds from the literature data were indicated. The obtained profiles are sometimes different after air-drying of the algae. Among determined VOCs specific or nonspecific chemical markers can be found characterising brow, red or green algae as well as the compounds with different biological activities.