Comparative Phytochemical Contents and Antioxidant Capacities of Three Lepidium Species of the Brassicaceae Family

Yıl 2024, Cilt: 24 Sayı: 2, 248 - 254, 29.04.2024

Saliha Aydın , Hakan Terzi , Mustafa Yıldız , Mustafa Kargıoğlu , Ahmet Serteser , Emre Pehlivan

https://doi.org/10.35414/akufemubid.1357106

Öz

Brassicaceae) species have been studied, information about the chemical compositions and antioxidant activities of some Lepidium species is still insufficient. In the current study, it was aimed to comparatively evaluate the total phenolic and total flavonoid contents and antioxidant capacities of methanol extracts obtained from different tissues of L. draba (LD) and L. perfoliatum (LP) and L. cartilagineum (LC), whose phytochemical contents have not been studied. The highest total phenolic content was determined in flower extracts (153.9 g GAE/mg extract in LC, 143.1 g GAE/mg extract in LD and 118.7 g GAE/mg extract in LP). Total flavonoid contents were highest in leaf extracts (39.3 g QE/mg extract in LP, 34.6 g QE/mg extract in LD and 33.1 g QE/mg extract in LC). The antioxidant capacities of the extracts were analyzed with different antioxidant tests. Similar to the total phenolic content, total antioxidant capacity and free radical scavenging activity were found to be highest in flower tissues. Leaf and flower extracts of LC and LP species showed the highest copper and iron reducing effects. The results indicate that the LC species, as well as the LD and LP species, can be considered a potential medicinal plant with pharmacological properties.

Anahtar Kelimeler

Antioxidant, Lepidium cartilagineum, L. draba, L. perfoliatum, Phenolics

Brassicaceae Familyasına ait Üç Lepidium Türünün Karşılaştırmalı Fitokimyasal İçerikleri ve Antioksidan Kapasiteleri

Öz

Bazı Lepidium (Brassicaceae) türlerinin biyolojik aktiviteleri çalışılmış olmasına rağmen, bazı Lepidium türlerinin kimyasal bileşimleri ve antioksidan aktiviteleri hakkındaki bilgiler halen yetersizdir. Mevcut çalışmada L. draba (LD) ve L. perfoliatum (LP) ile fitokimyasal içeriği çalışılmamış olan L. cartilagineum (LC)’un farklı dokularından elde edilen metanol ekstraktlarında toplam fenolik ve toplam flavonoid içerikleri ile antioksidan kapasitelerinin karşılaştırılmalı olarak değerlendirilmesi amaçlanmıştır. En yüksek toplam fenolik içeriği çiçek ekstraktlarında (LC'de 153.9 g GAE/mg ekstrakt, LD'de 143.1 g GAE/mg ekstrakt ve LP'de 118.7 g GAE/mg ekstrakt) belirlenmiştir. Toplam flavonoid içerikleri ise en yüksek yaprak ekstraktlarında (LP'de 39.3 g QE/mg ekstrakt, LD'de 34.6 g QE/mg ekstrakt ve LC'de 33.1 g QE/mg ekstrakt) saptanmıştır. Ekstraktların antioksidan kapasiteleri farklı antioksidan testleriyle analiz edilmiştir. Çiçek dokularında toplam fenolik içeriğe benzer olarak toplam antioksidan kapasite ve serbest radikal süpürücü aktivite en yüksek bulunmuştur. LC ve LP türlerinin yaprak ve çiçek ekstraktları en yüksek bakır ve demir indirgeyici etki göstermiştir. Sonuçlar, LD ve LP türlerinin yanı sıra LC türünün de farmakolojik özelliklere sahip potansiyel tıbbi bir bitki olarak kabul edilebileceğini göstermektedir.

Anahtar Kelimeler

Antioksidan, Lepidium cartilagineum, L. draba, L. perfoliatum, Fenolikler

Kaynakça

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