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Diversity of Volatile Compounds in the Inula candida / I. verbascifolia Group (Asteraceae-Inuleae) and Its Impact on Species Delimitation. DIVERSITY 2022. [DOI: 10.3390/d14121140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The members of the Inula candida / I. verbascifolia group are perennial and chasmophytic plants attributed to four species and eleven entities at subspecific or varietal level. They are mostly confined to Greece. Volatile compounds of above-ground flowering parts of twenty-three populations covering ten taxonomic entities were obtained after hydrodistillation and analyzed by gas chromatography and mass spectrometry (GC-MS). In most cases, the total percentage of identified constituents reached 89% or above. Seventy-two components were identified. Oxygenated sesquiterpenes prevailed in the I. candida subgroup (47.3–71.5%), with epi-α-cadinol present in all members (13.4–42.7%) but rarely found in the I. verbascifolia subgroup. Considerable amounts of the hydrocarbon aldehydes decanal, undecanal and particularly tridecanal (0.5–35.0%, rarely absent) were predominately found in the I. verbascifolia members but were mostly absent in the I. candida subgroup. Isoalantolactone (12.4–49.5%), identified only in I. subfloccosa, and γ-(Z)-curcumen-12-ol, found only in I. candida subsp. limonella (22.6–42.1%), may serve as chemotaxonomic markers. Two different chemotypes can be distinguished within I. verbascifolia subsp. aschersoniana: a trans-muurola-4(14),5-diene-, γ-cadinene-rich chemotype from north-eastern Greece and a 1-epi-cubenol-, tridecanal-rich chemotype from central Greece. Different statistical algorithms were used to interpret the chemical diversity and identify the most appropriate number of clusters for the taxa. Cluster analyses indicated that the optimum number of clusters that best explain the metabolomic variability of the taxa is two. The degree of membership for each population based on the fuzzy k-means algorithm supported the I. verbascifolia subsp. aschersoniana samples within the I. candida subgroup, whereas I. subfloccosa may belong to any of the two clusters formed, although it also appears to have some unique characteristics.
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Fontana G, Bruno M, Senatore F, Formisano C. Volatile constituents of aerial parts of two Mediterranean species of Inula: Inula crithmoides L. and I. verbascifolia (Willd.) Hausskn. (Asteraceae). Nat Prod Res 2014; 28:984-93. [DOI: 10.1080/14786419.2014.902821] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Gianfranco Fontana
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, Viale delle Scienze, Parco d'Orleans II, 90128 Palermo, Italy
| | - Maurizio Bruno
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, Viale delle Scienze, Parco d'Orleans II, 90128 Palermo, Italy
| | - Felice Senatore
- Department of Pharmacy, University of Naples ‘Federico II’, Via D. Montesano, 49, 80131 Naples, Italy
| | - Carmen Formisano
- Department of Pharmacy, University of Naples ‘Federico II’, Via D. Montesano, 49, 80131 Naples, Italy
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Javidnia K, Banani A, Miri R, Kamalinejad M, Javidnia A. Constituents of the Volatile Oil ofInula oculus-christiL. from Iran. JOURNAL OF ESSENTIAL OIL RESEARCH 2006. [DOI: 10.1080/10412905.2006.9699203] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Current awareness in flavour and fragrance. FLAVOUR FRAG J 2001. [DOI: 10.1002/ffj.1082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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