Journals / Turkish Journal of Pharmaceutical Sciences / 2018 / Cilt: 15 - Sayı: 1

In Vitro Protection by Crataegus microphylla Extracts Against Oxidative Damage and Enzyme Inhibition Effects

Crataegus microphylla Ekstrelerinin Oksidatif Hasara Karşı İn Vitro Koruma ve Enzim İnhibisyonu Etkileri

Pages
77–84
Publication Date
2022-11-05
DOI
—
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⚡ TL;DR(Too Long; Didn't Read)

Methanol extractsof leaves and stem barks at the dose of 125 µg/mL exhibited significant protective activity against DNA strand scission by hydroxyl radicals (.OH)on supercoiled pBR322 DNA.Conclusion: Acidified methanol or ethanol extracts prepared with stem bark and leaf from C. microphylla have potential antioxidant, hypoglycemic,and neuroprotective effects.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: Crataegus species have been used as food and also in folk medicine for the treatment of various diseases.
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Key Findings & Data:Koch, which was collected from Turkey.Materials and Methods: Dried leaf, stem bark, and fresh fruit samples of C. microphylla were separated and ethanol extract, acidified (0.5% HCl,pH: 2.5) ethanol extract, ethanol:water (1:1) extract, methanol extract, acidified (0.5% HCl, pH: 2.5) methanol extract, methanol:water (1:1) extract,water extract, and acidified (0.5% HCl, pH: 2.5) water extract were prepared for each.
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Conclusion & Impact:Methanol extractsof leaves and stem barks at the dose of 125 µg/mL exhibited significant protective activity against DNA strand scission by hydroxyl radicals (.OH)on supercoiled pBR322 DNA.Conclusion: Acidified methanol or ethanol extracts prepared with stem bark and leaf from C. microphylla have potential antioxidant, hypoglycemic,and neuroprotective effects.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objectives: Crataegus species have been used as food and also in folk medicine for the treatment of various diseases. The present study aimed tomake investigations on the biologic properties of different extracts prepared from Crataegus microphylla C. Koch, which was collected from Turkey.Materials and Methods: Dried leaf, stem bark, and fresh fruit samples of C. microphylla were separated and ethanol extract, acidified (0.5% HCl,pH: 2.5) ethanol extract, ethanol:water (1:1) extract, methanol extract, acidified (0.5% HCl, pH: 2.5) methanol extract, methanol:water (1:1) extract,water extract, and acidified (0.5% HCl, pH: 2.5) water extract were prepared for each. Various biologic effects such as the prevention of oxidativeDNA damage, acetylcholinesterase, tyrosinase, α-glucosidase inhibition, and antioxidant effects with 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicalscavenging, PRAP, and FRAP assays of these extracts at different concentrations were studied.Results: Acidified methanol extract of stem barks exhibited the highest acetylcholinesterase and tyrosinase inhibitions among the other extractswith IC50 values of 204.02±0.95 μg/mL and 37.30±0.27 μg/mL, respectively. Acidified ethanol extract of leaves was the most efficient extract againstα-glucosidase, giving an IC50 of 15.78±0.14 μg/mL. The IC50 value of the acidified ethanol extract for DPPH was 9.89±0.09 µg/mL. Methanol extractsof leaves and stem barks at the dose of 125 µg/mL exhibited significant protective activity against DNA strand scission by hydroxyl radicals (.OH)on supercoiled pBR322 DNA.Conclusion: Acidified methanol or ethanol extracts prepared with stem bark and leaf from C. microphylla have potential antioxidant, hypoglycemic,and neuroprotective effects.

Özet

Amaç: Crataegus türleri gıda olarak ve halk arasında çeşitli hastalıkların tedavisinde kullanılmaktadır. Bu çalışma Türkiye’den toplanan Crataegus microphylla C. Koch’tan hazırlanan farklı ekstraktların biyolojik özelliklerini araştırmayı amaçlamaktadır. Gereç ve Yöntemler: Kurutulmuş yaprak, gövde kabuğu ve taze meyve örnekleri ayrıldı ve etanol ekstresi, asitlendirilmiş (%0.5 HCl, pH: 2.5) etanol ekstresi, etanol:su (1:1) ekstresi, metanol ekstresi, asitlendirilmiş (%0.5 HCI, pH: 2.5) metanol ekstresi, metanol:su (1:1) ekstresi, su ekstresi ve asitlendirilmiş (%0.5 HCI, pH: 2.5) su ekstresi hazırlandı. Ekstrelerin oksidatif DNA hasarının önlenmesi, asetilkolinesteraz, tirozinaz, α-glukozidaz inhibisyonu ve antioksidan aktivitesi 2,2-difenil-1-pikrilhidrazil (DPPH) radikal süpürme, PRAP ve FRAP gibi çeşitli biyolojik aktiviteleri farklı konsantrasyonlarda araştırılmıştır. Bulgular: Gövde kabuklarından asitlendirilmiş metanol ekstraktı sırasıyla 204.02±0.95 μg/mL ve 37.30±0.27 μg/mL IC50 değerleri ile diğer esktreler arasında en yüksek asetilkolinesteraz ve tirozinaz inhibisyonu göstermiştir. Yaprakların asitlendirilmiş etanol ekstresi, α-glukosidaz enzimine karşı 15.78±0.14 μg/mL ile en düşük IC50 değerini göstermiştir. DPPH için asitleştirilmiş etanol ekstraktının IC50 değeri 9.89±0.09 ug/mL bulunmuştur. 125 μg/mL dozunda yaprakların ve gövde kabuklarının metanol ekstreleri, süpersarmal pBR322 DNA üzerinde hidroksil iyonu (. OH) tarafından DNA sarmalının kesilmesine karşı önemli koruma aktivitesi sergiledi. Sonuç: C. microphylla gövde kabuğu ve yaprak ile hazırlanan asitlendirilmiş metanol veya etanol ekstrelerinin potansiyel antioksidan, hipoglisemik ve nöroprotektif etkileri bulunmaktadır.

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Cite This Article

ÖZEL, A., YAYLI, N., BARUT, B., RENDA, G., KORKMAZ, B. (2022). In Vitro Protection by Crataegus microphylla Extracts Against Oxidative Damage and Enzyme Inhibition Effects. Turkish Journal of Pharmaceutical Sciences, Cilt: 15 - Sayı: 1, 77–84. https://ajindex.com/articles/613872

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