Pelargonium quercetorum Agnew. bitkisinin antioksidan aktivitesinin belirlenmesi

Yıl 2018, Cilt: 11 Sayı: 2, 174 - 183, 15.08.2018

Gökçe Şeker Karatoprak Mehmet Fırat Müberra Koşar

https://doi.org/10.26559/mersinsbd.398926

Cited By: 2

Öz

Amaç: Antiparaziter olarak geleneksel kullanımı
mevcut olan Geraniaceae familyasına dahil Pelargonium
quercetorum Agnew.’in toplam fenolik madde miktarı ve antioksidan
aktivitesinin araştırılması amaçlanmıştır.
Yöntem: P. quercetorum'un toprak
altı kısımlarından hazırlanan %70 metanol ve %11 etanol ekstreleri ile toprak
üstü kısmından hazırlanan %70 metanol ekstresinin toplam fenolik, flavonoit ve
flavonol içerikleri spektrofotometrik olarak incelenmiştir. Ekstrelerin
antioksidan aktivitelerini belirlemek amacıyla 1.1-difenil-2-pikrilhidrazil
(DPPH^l) ve 2.2’-azino-bis (3-etilbenzotiazolin-6-
sulfonik asit) (ABTS^+l)
radikal süpürücü etkileri, Fe(III)’ü Fe(II)’ye
indirgeme özellikleri ve demir(II) şelat (kelat) aktiviteleri
incelenmiştir. Bulgular ve Sonuç: %70
Metanol kök ekstresinin toplam fenolik ve flavonoit (242.29 ± 5.52 mg_GAE/g_ekstre,
64.95 ± 2.93mg_CA/g_ekstre) içerik bakımından
zengin olduğu ve antioksidan aktivite deneylerinde de güçlü etki gösterdiği
belirlenmiştir.

Anahtar Kelimeler

Geraniaceae, Pelargonium quercetorum, antioksidan aktivite

Kaynakça

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