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Journals / Türk Biyokimya Dergisi / 2019 / Cilt: 44 - Sayı: 3

Comparison of phenolic profiles and antioxidant activity of three Ornithogalum L. species

Üç Ornithogalum L. türünün fenolik profillerinin ve antioksidan aktivitelerinin karşılaştırılması

Arzu ÖZEL
Gülin RENDA
Melek ÇOL AYVAZ
Adem DEMİR
Emine AKYÜZ TURUMTAY
Burak BARUT
Büşra KORKMAZ
Pages
299–306
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Protocatechuic acid, p-hydroxybenzoic acid,vanillic acid and p-coumaric acid were the most abundantcompounds at all the subextracts.Conclusion: The antioxidant activity is found to be in accordancewith the levels of phenolic content in the extracts.

📌 3 Key Takeaways

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Objective & Hypothesis:Background: Aboveground parts and bulbs of Ornithogalumspecies are consumed as food and used in traditionalmedicine in worldwide.Objective: It is aimed to report the antioxidant capacityand phenolic compounds content of Ornithogalum sigmoideum,Ornithogalum orthophyllum and Ornithogalumoligophyllum for the first time.Materials and methods: Antioxidant activity of the crudemethanol extracts of the aerial parts and the bulbs of thespecies were determined with 1,1-diphenyl-2-picryl-hydrazyl,superoxide radical scavenging, ferrous ion-chelatingeffect, phosphomolybdenum-reducing antioxidant powerand ferric-reducing antioxidant power assay.
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Key Findings & Data:The ethylacetate,diethylether and water subextracts from leaf andflower were analyzed to quantify selected phenolic compoundsby HPLC-UV.Results: Among the six extracts, the methanol extract ofthe aerial parts of O. orthophyllum contained the highestamount of phenolic compounds (GAE, 11.0 mg/g extract).The aerial parts of O. orthophyllum showed higher DPPHand SOD activities than the other extracts with the SC50values of 0.39 ± 0.05 mg/mL and 0.44 ± 0.08 mg/mL,respectively.
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Conclusion & Impact:Protocatechuic acid, p-hydroxybenzoic acid,vanillic acid and p-coumaric acid were the most abundantcompounds at all the subextracts.Conclusion: The antioxidant activity is found to be in accordancewith the levels of phenolic content in the extracts.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background: Aboveground parts and bulbs of Ornithogalumspecies are consumed as food and used in traditionalmedicine in worldwide.Objective: It is aimed to report the antioxidant capacityand phenolic compounds content of Ornithogalum sigmoideum,Ornithogalum orthophyllum and Ornithogalumoligophyllum for the first time.Materials and methods: Antioxidant activity of the crudemethanol extracts of the aerial parts and the bulbs of thespecies were determined with 1,1-diphenyl-2-picryl-hydrazyl,superoxide radical scavenging, ferrous ion-chelatingeffect, phosphomolybdenum-reducing antioxidant powerand ferric-reducing antioxidant power assay. The ethylacetate,diethylether and water subextracts from leaf andflower were analyzed to quantify selected phenolic compoundsby HPLC-UV.Results: Among the six extracts, the methanol extract ofthe aerial parts of O. orthophyllum contained the highestamount of phenolic compounds (GAE, 11.0 mg/g extract).The aerial parts of O. orthophyllum showed higher DPPHand SOD activities than the other extracts with the SC50values of 0.39 ± 0.05 mg/mL and 0.44 ± 0.08 mg/mL,respectively. Protocatechuic acid, p-hydroxybenzoic acid,vanillic acid and p-coumaric acid were the most abundantcompounds at all the subextracts.Conclusion: The antioxidant activity is found to be in accordancewith the levels of phenolic content in the extracts.

Özet

Geçmiş: Ornithogalum türlerinin topraküstü kısımları ve soğanları, dünya çapında gıda olarak tüketilmekte ve halk ilacı olarak kullanılmaktadır. Ornithogalum sigmoideum, Ornithogalum orthophyllum ve O. oligophyllum türlerinin daha önce çalışılmamış olan antioksidan kapasite ve fenolik bileşiklerini sunmak amaçlanmıştır. Yöntem ve Gereçler: Türlerin toprak üstü kısımları ve soğanlarının ham metanol ekstrelerinin antioksidan aktiviteleri 1,1-difenil-2-pikril-hidrazil, süperoksit radikal süpürücü, demir iyon-şelat etkisi, fosfomolibdenyum indirgeyici antioksidan güç, demir indirgeyici antioksidan güç yöntemleriyle araştırılmıştır. Yapraktan ve çiçeklerden elde edilen etil asetat, dietil eter ve su alt ekstreleri seçilen fenolik bileşikleri ölçmek için YBSK-UV ile analiz edildi. Bulgular: Altı ekstre arasında O. orthophyllum’un toprak üstü kısımlarının metanol ekstresi en yüksek miktarda fenolik bileşik (GAE, 11.0 mg/g ekstre) taşımaktadır. O. orthophyllum’un toprak üstü kısımlarından elde edilen ekstre diğer ekstrelere göre sırasıyla 0.38 ± 0.05 mg/mL ve 0.44 ± 0.08 mg/mL SC50 değerleriyle yüksek 1,1-difenil- 2-pikril-hidrazil ve süperoksit radikal süpürücü aktivitelerine sahiptir. Protokatekuik asit, p-hidroksibenzoik asit, vanilik asit ve p-kumarik asit tüm alt ekstrelerde en fazla bulunan bileşiklerdir. Sonuç: Antioksidan aktivitenin, ekstrelerdeki fenolik madde düzeyleriyle uyumlu olduğu bulunmuştur.

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Cite This Article

ÖZEL, A., RENDA, G., AYVAZ, M. Ç., DEMİR, A., TURUMTAY, E. A., BARUT, B., KORKMAZ, B. (2022). Comparison of phenolic profiles and antioxidant activity of three Ornithogalum L. species. Türk Biyokimya Dergisi, Cilt: 44 - Sayı: 3, 299–306. https://ajindex.com/articles/620899

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