Essential oil diversity of 21 populations from Iranian endemic species Nepeta kotschyi Boiss.

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HADI N.; SEFIDKON F.; SHOJAEIYAN A.; JAFARI A.A.

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Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2016 | Volume:32 | Issue:2 (76) Page(s): 189-202

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Title

Essential oil diversity of 21 populations from Iranian endemic species Nepeta kotschyi Boiss.

Author(s)

HADI N. | SEFIDKON F. | SHOJAEIYAN A. | JAFARI A.A. | Issue Writer Certificate

Keywords

Nepeta kotschyi var.kotschyiQ1

Nepeta kotschyi var.persicaQ1

essential oilQ2

nepetalactoneQ1

chemotypeQ1

Abstract

The genus Nepeta is one of the largest genera of the Lamiaceae family, and Iran, particularly, is one of the main centers of origin of this genus. nepetalactones and flavonoids were reported as major constituents of Nepeta species, and the main cause of their medicinal value and biological properties. There are lots of reports related to biological activities of secondary metabolites of genus Nepeta showing the importance of this genus. In this work, the essential oil (EO) diversity of 21 wild populations from Nepeta kotschyi Boiss., Iranian endemic species, was investigated. For removing the environmental effect, the seeds of populations were planted in one place. Plant aerial parts were harvested at full flowering stage, and after shade-drying, their EO was extracted by hydrodistillation method. EO was quantitatively and qualitatively analyzed by GC and GC/MS. After botanical study and EO analysis, it was revealed that the populations were from two different varieties. Two populations including buyer-ahmad1 and Buyer-Ahmad2, were from N. kotschyi var. kotschyi, and others were stood in N. kotschyi var. persica. Twenty-four components were characterized in the EO of N. kotschyi. The highest amount of EO yield (w/w) was obtained in populations of var. kotschyi (0. 5-0. 7%). Three main chemotypes were identified among populations of var. persica based on the main component(s) of EO, including a containing NepI (4aα , 7α , 7aα-nepetalactone), b containing NepII (4aα , 7α , 7aβ-nepetalactone) and cubenol, and c containing geranyl acetate and cubenol. Except of semirom and Taft5 which were stood in b-chemotype, and Taft4 which was placed in cchemotype, other populations of var. persica, also populations of var. kotschyi, were stood in achemotype. In addition, based on the main component of EO, the populations of var. kotschyi were put in a-chemotype. In a-chemotype, the amount of NepI was obtained between %53. 9 (Chelgard) and %84. 8 (Buyer-Ahmad2), and NepII was measured between %1 (Taft1) and %13. 7 (Chelgard). In b-chemotype, the amount of NepI was measured between %0. 3 (Taft5) and %4. 9 (Semirom), and NepII was obtained between %13. 4 (Taft5) and 44. 7% (Semirom). NepIII (4aα , 7β , 7aα-nepetalactone) (1. 3-3. 3%) was characterized only in the EO of var. Kotschyi populations.

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APA: Copy

HADI, N., SEFIDKON, F., SHOJAEIYAN, A., & JAFARI, A.A.. (2016). Essential oil diversity of 21 populations from Iranian endemic species Nepeta kotschyi Boiss.. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 32(2 (76) ), 189-202. SID. https://sid.ir/paper/105035/en

Vancouver: Copy

HADI N., SEFIDKON F., SHOJAEIYAN A., JAFARI A.A.. Essential oil diversity of 21 populations from Iranian endemic species Nepeta kotschyi Boiss.. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2016;32(2 (76) ):189-202. Available from: https://sid.ir/paper/105035/en

IEEE: Copy

N. HADI, F. SEFIDKON, A. SHOJAEIYAN, and A.A. JAFARI, “Essential oil diversity of 21 populations from Iranian endemic species Nepeta kotschyi Boiss.,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 32, no. 2 (76) , pp. 189–202, 2016, [Online]. Available: https://sid.ir/paper/105035/en

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