Journals / Akademik Gıda / 2017 / Cilt: 15 - Sayı: 2

Effects of Extraction Solvents on Polyphenol Contents, Antioxidant and Antibacterial Activities of Pomegranate Parts

Narın Farklı Bölümlerinin Polifenol İçeriği, Antioksidan ve Antibakteriyel Aktivitesi Üzerine Ekstraksiyon Çözgenlerinin Etkisi

Pages
109–118
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

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

Water extracts of rind and membrane may be used as a food additive and preservative due to their high AOA and ABA.

📌 3 Key Takeaways

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Objective & Hypothesis:Polyphenols in rinds, membranes and seeds of pomegranates were extracted with acetone, acetone:water (70:30, v:v), methanol, ethanol and water for 12 h at 4?C.
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Key Findings & Data:Strong correlations were found between antioxidant activity (AOA) and total polyphenol content (TPC) for the extracts of rind (r=0.967), membrane (r=0.976) and seed (r=0.972).
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Conclusion & Impact:Water extracts of rind and membrane may be used as a food additive and preservative due to their high AOA and ABA.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Polyphenols in rinds, membranes and seeds of pomegranates were extracted with acetone, acetone:water (70:30, v:v), methanol, ethanol and water for 12 h at 4?C. Gallic acid, punicalin, ?-punicalagin, ?-punicalagin and ellagic acid derivatives (EAD) were identified in rind and membrane, while only EAD were identified in seed by HPLC. The rind and membrane contained exceptionally high amounts of polyphenols. Strong correlations were found between antioxidant activity (AOA) and total polyphenol content (TPC) for the extracts of rind (r=0.967), membrane (r=0.976) and seed (r=0.972). Moreover, the highest TPC and AOA were determined in acetone:water (70:30, v:v) extracts. Punicalagins at high amounts in the pomegranate rind and membrane provided the highest AOA and antibacterial activity (ABA). The extracts of rind and membrane showed ABA against Bacillus megaterium and Staphylococcus aureus. Water extracts of rind and membrane may be used as a food additive and preservative due to their high AOA and ABA.

Özet

Nar kabuğu, dilim zarı ve çekirdeklerinde bulunan polifenoller; aseton, aseton:su (70:30, v:v), metanol, etanol ve su ile 4?C'de 24 saat süresince ekstrakte edilmiştir. Nar kabuğu ve dilim zarında; gallik asit, punikalin, ?-punikalajin, ?punikalajin ve ellajik asit türevleri HPLC ile tanımlanırken, çekirdekte sadece elajik asit türevleri tanımlanmıştır. Nar kabuğu ve dilim zarının çok yüksek miktarda polifenol içerdiği belirlenmiştir. Nar kabuğu (r=0.967), dilim zarı (r=0.976) ve çekirdeklerden (r=0.972) elde edilen ekstraktların toplam polifenol miktarı ve antioksidan aktiviteleri arasında güçlü korelasyonlar bulunmuştur. Ayrıca, en yüksek toplam polifenol madde miktarı ve antioksidan aktivite aseton:su (70:30, v:v) çözeltisiyle elde edilmiştir. Nar kabuğu ve dilim zarının yüksek antioksidan ve antibakteriyel aktivitesi punikalajinlerden kaynaklanmaktadır. Nar kabuğu ve dilim zarı Bacillus megaterium and Staphylococcus aureus'a karşı antibakteriyel aktivite göstermiştir. Yüksek antioksidan ve antibakteriyel aktiviteleri nedeniyle, nar kabuğu ve dilim zarının sulu ekstraktları gıda katkısı ve koruyucusu olarak kullanılabilir.

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Cite This Article

ÖZKAN, M., TAĞI, Ş., TÜRKYILMAZ, M. (2022). Effects of Extraction Solvents on Polyphenol Contents, Antioxidant and Antibacterial Activities of Pomegranate Parts. Akademik Gıda, Cilt: 15 - Sayı: 2, 109–118. https://ajindex.com/articles/432636

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