KIRMIZI PANCAR (Beta vulgaris L.) BETALAİNLERİ ÜZERİNE TERMAL DESTEKLİ ULTRASONİK EKSTRAKSİYONUN ETKİSİ
Open Access
- 15 April 2019
- journal article
- Published by Association of Food Technology, Turkey in GIDA / The Journal of Food
- Vol. 44 (2), 318-327
- https://doi.org/10.15237/gida.gd19027
Abstract
En tr In this study, the change of red beet (Beta vulgaris L.) betalains was investigated in ultrasonic bath at different temperature and times (40-800C, 5-210 min). The effect of temperature (T), time (t) and Txt interaction on betalaines, total phenolic matter (TPM), DPPH radical scavenging activity (DPPH-RSA), Hunter L, a and b values were significant (P 0C-40 min and 800C-25 min of thermal assisted ultrasonic extraction (TAUE) then decreased with increasing time. In the 400C application of TAUE, betalaines increased slowly but remained below the values of other processes (60-800C). On the other hand, it has been found that the change of betalaines is related to TFM, DPPH-RSA and Hunter L, a and b value changes, and the mathematical equations (R2 = 84-87%) obtained in TDUE conditions can be used to determine the optimum conditions for betalains changes. Bu çalışmada, kırmızı pancarın (Beta vulgaris L.) betalainlerinin ultrasonik banyoda, farklı sıcalık ve sürelerde (40-800C, 5-210 dk) değişimi incelenmiştir. Sıcaklık derecesi (T), süre (t) ve Txt interaksiyonun betalainler, toplam fenolik madde (TFM), DPPH radikal süpürme aktivitesi (DPPH-RSA), Hunter L, a ve b değerleri üzerine etkisi önemli (P 0C-40 dk ve 800C-25 dk uygulamaları ile betalainlerin en yüksek değere ulaştığı, daha sonra artan sürelerin ise azalmalara neden olduğu belirlenmiştir. TDUE’nun 400C uygulamasında ise betalainlerin yavaş artış gösterdiği fakat bu artışın diğer proseslere (60-800C) ait değerlerin altında kaldığı tespit edilmiştir. Diğer taraftan, betalainlerin değişiminin TFM, DPPH-RSA ve Hunter L, a ve b değeri değişimi ile ilişkili olduğu ve TDUE koşullarında elde edilen matematiksel eşitliklerin (R2 =%84-87), betalainlerdeki değişime ait optimum koşulları belirlemede kullanılabileceği ortaya çıkmıştır.Keywords
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