Ultrasound-Assisted Enzymatic Extraction of Antioxidative Protein Extracts From Sargassum Vulgare: Optimization of Extraction Parameters Using Rsm
Özet
In this study, extraction conditions of proteins from Sargassum vulgare were optimized. The Box-Behnken
design (BBD)-based Response Surface Methodology (RSM) was used to investigate and optimize the protein
content (PC), total phenolic content (TPC), and antioxidant activity (AOA), which were affected by
extraction parameters (ultrasonic probe time: 0.09-2.91 min and enzyme/substrate ratio (E/S): 0.18-1.02).
The optimal extraction was achieved while applying an ultrasonic probe for 2.5 min and using an E/S of
0.90. Under this optimum conditions PC and TPC were found to be as 248.30 mg protein/g dry weight
(dw) and 38.03 mg gallic acid equiavalent (GAE)/g dw, respectively. Moreover, AOA was determined to be
53.77 mg Trolox equivalent (TE)/g dw by CUPRAC and 19.88 mg TE/g dw by ABTS methods. These
findings provide a good basis for future research into the potential of macroalgae protein extracts, which
have a high protein content and antioxidant potential for food industry. Bu çalışmada, Sargassum vulgare'den proteinlerin ekstraksiyon koşulları optimize edilmiştir.
Ekstraksiyon parametrelerinin (ultrases prop süresi: 0.09-2.91 dk ve enzim/substurat oranı (E/S):
0.18-1.02), protein miktarı (PM), toplam fenolik madde miktarı (TFMM) ve antioksidan aktivite
(AOA) üzerine etkisini araştırmak ve optimizasyon çalışmalarını gerçekleştirmek için Box-Behnken
Tasarım-Yanıt Yüzey Metodolojisi kullanılmıştır. Optimum protein ekstraksiyon koşulları, 2.5 dk
ultrases prop uygulama süresi ve 0.90 E/S oranıdır. Optimum ekstraksiyon koşullarında, PM ve
TFMM sırasıyla 248.30 mg protein/g kuru madde (km) ve 38.03 mg gallik asit eşdeğeri (GAE)/g km
olarak bulunmuştur. Ayrıca AOA, CUPRAC yöntemi ile 53.77 mg Trolox eşdeğeri (TE)/g km ve
ABTS yöntemi ile 19.88 mg TE/g km olarak belirlenmiştir. Bu bulgular, yüksek protein miktarı ve
antioksidan aktivitesiye sahip makroalg protein ekstraktlarının gıda endüstrisi için potansiyelini
araştıracak yeni çalışmalara bir temel oluşturabilir.
Cilt
49Sayı
3Bağlantı
https://hdl.handle.net/11363/7537Koleksiyonlar
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