Context: Hypericum perforatum L. (Guttiferae) contains many bioactive secondary metabolites including hypericins, hyperforins, and essential oil.Objective: The present study was conducted to det. the variation in compn. of essential oil in H. perforatum accessions from Turkey.Material and methods: At full flowering, aerial parts of 30 plants were collected from 10 sites of northern Turkey and assayed for essential oil components by GC-FID and GC-MS.Results: The chem. anal. revealed that the main constituents of the all analyzed samples were hydrocarbon and oxygenated sesquiterpenes such as β-caryophyllene (4.08-5.93%), γ-muurolene (5.00-9.56%), β-selinene (5.08-19.63%), α-selinene (4.12-10.42%), d-cadinene (3.02-4.94%), spathulenol (2.34-5.14%), and caryophyllene oxide (6.01-12.18%). Monoterpenes, both hydrocarbon and oxygenated, were represented by scarce amts. of α- and β-pinene, myrcene, linalool, cis- and trans-linalool oxide, and α-terpineol. Principal component anal. was also carried out and, according to the results, the first nine principal components were found to represent 100% of the obsd. variation.Discussion: The chem. variation among the populations is discussed as the possible result of different genetic and environmental factors.Conclusions: The wild populations examd. here are potentially important sources for breeding and improvement of the cultivated varieties.

Essential oil composition and variability of Hypericum perforatum from wild populations of northern Turkey

BERTOLI, ALESSANDRA;PISTELLI, LUISA;
2010

Abstract

Context: Hypericum perforatum L. (Guttiferae) contains many bioactive secondary metabolites including hypericins, hyperforins, and essential oil.Objective: The present study was conducted to det. the variation in compn. of essential oil in H. perforatum accessions from Turkey.Material and methods: At full flowering, aerial parts of 30 plants were collected from 10 sites of northern Turkey and assayed for essential oil components by GC-FID and GC-MS.Results: The chem. anal. revealed that the main constituents of the all analyzed samples were hydrocarbon and oxygenated sesquiterpenes such as β-caryophyllene (4.08-5.93%), γ-muurolene (5.00-9.56%), β-selinene (5.08-19.63%), α-selinene (4.12-10.42%), d-cadinene (3.02-4.94%), spathulenol (2.34-5.14%), and caryophyllene oxide (6.01-12.18%). Monoterpenes, both hydrocarbon and oxygenated, were represented by scarce amts. of α- and β-pinene, myrcene, linalool, cis- and trans-linalool oxide, and α-terpineol. Principal component anal. was also carried out and, according to the results, the first nine principal components were found to represent 100% of the obsd. variation.Discussion: The chem. variation among the populations is discussed as the possible result of different genetic and environmental factors.Conclusions: The wild populations examd. here are potentially important sources for breeding and improvement of the cultivated varieties.
Cirak, C; Bertoli, Alessandra; Pistelli, Luisa; Seyis, F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/201512
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