Doğal Olarak Yayılış Gösteren Helichrysum compactum Boiss.'in Farklı Yayılış Alanlarına ve Farklı Vejetasyon Dönemlerine Ait Uçucu Bileşenleri ve Cluster Analizi ile İstatistik Analizi

Öz

Asteraceae familyasına ait olan endemik Helichrysum compactum Boiss. çalışmanın materyalini oluşturmaktadır. Çalışma 2024-2026 yılları arasında vejetasyon dönemlerinde Alanya (Antalya) ve Elmalı (Antalya) bölgelerinden iki farklı vejetasyon periyodunda (çiçeklenme öncesi ve çiçeklenme dönemi) toplanmıştır. Katı faz mikro ekstraksiyon tekniği kullanılarak, gaz kromatografisi kütle spektrometresi ile Alanya ve Elmalı bölgelerine ait toplam 73 uçucu bileşen belirlenmiştir. SPME analizi ile Helichrysum compactum Boiss. Alanya mevkiinde; çiçeklenme öncesi için en yüksek uçucu bileşik konsantrasyonları Thymol (%13.27), Trans-Caryophyllene (%11.84) ve Selina-3,7(11)-diene (%6.54) iken; çiçeklenme döneminde ise en yüksek uçucu bileşik konsantrasyonları Limonene (%14.26), α-Pinene (%13.49) ve p-Cymene (%8.63) tespit edilmiştir. Elmalı mevkiinde ise; çiçeklenme öncesi için en yüksek uçucu bileşik konsantrasyonları Trans-Caryophyllene (%29.15), α-Humulene (%22.19) ve Limonene (%9.15) iken; çiçeklenme döneminde ise en yüksek uçucu bileşik konsantrasyonları Trans-Caryophyllene (%30.99), α-Humulene (%12.00) ve Carvacrol (%11.21) olarak belirlenmiştir. Uçucu bileşenlerin, ‘Cluster Analizi’ ile istatistik analizi tespit edilmiştir. Çalışmada Türkiye’nin Antalya yöresinde iki farklı habitatta (Alanya ve Elmalı) doğal olarak yayılış gösteren Helichrysum compactum Boiss türünün uçucu bileşik kompozisyonu iki vejetasyon dönemi boyunca belirlenmiştir ve uçucu bileşik konsantrasyonları küme analizi ile karşılaştırılmıştır. Örnekler arasındaki uçucu bileşik profillerini karşılaştırmak amacıyla ‘Cluster Analizi’ ile istatistik analizi gerçekleştirilmiştir. Uçucu bileşik verilerine uygulanan küme analizi sonucunda, sekiz farklı gruba ayrılmıştır.

Anahtar Kelimeler

• Helichrysum compactum Boiss.
• Uçucu bileşen
• Cluster analizi
• Katı faz mikro ekstraksiyon tekniği (SPME)
• Endemik
• Antalya-Türkiye

Volatile Components and Cluster and Statistical Analysis of Helichrysum compactum Boiss., Naturally Distributed Across Different Habitats and Vegetation Periods

Öz

The endemic species Helichrysum compactum Boiss., belonging to the family Asteraceae, was used as the plant material in this study. Plant samples were collected from two locations in Antalya, Türkiye (Alanya and Elmalı), during the 2024-2026 vegetation seasons at two phenological stages: pre-flowering and flowering. A total of 73 volatile compounds were identified in the samples from Alanya and Elmalı using solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS). In the Alanya population, the major volatile compounds during the pre-flowering stage were thymol (13.27%), trans-caryophyllene (11.84%), and selina-3,7(11)-diene (6.54%). During the flowering stage, limonene (14.26%), α-pinene (13.49%), and p-cymene (8.63%) were identified as the predominant constituents. In the Elmalı population, trans-caryophyllene (29.15%), α-humulene (22.19%), and limonene (9.15%) were the major volatile compounds during the pre-flowering stage. During the flowering stage, trans-caryophyllene (30.99%), α-humulene (12.00%), and carvacrol (11.21%) were the predominant constituents. Cluster analysis was performed to statistically evaluate and compare the volatile compound profiles among the samples. The volatile compound composition of Helichrysum compactum Boiss. naturally occurring in two distinct habitats in the Antalya region of Türkiye (Alanya and Elmalı) was characterized across the two phenological stages. The volatile compound profiles were subsequently compared using cluster analysis, which classified the samples into eight distinct groups.

Anahtar Kelimeler

• Helichrysum compactum Boiss.
• Volatile component
• Cluster analysis
• Solid-Phase MicroextractionTechnique (SPME)
• Endemic
• Antalya-Türkiye

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