Volume 19, Issue 130 (2022)
FSCT 2022, 19(130): 61-71 |
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Sahbaei Ejlali M, Razavi S M A. Effect of octenyl succinic anhydride starch on foaming properties of whey protein concentrate. FSCT 2022; 19 (130) :61-71
URL: http://fsct.modares.ac.ir/article-7-61134-en.html
URL: http://fsct.modares.ac.ir/article-7-61134-en.html
1- Ferdowsi University of Mashhad
2- Ferdowsi University of Mashhad ,s.razavi@um.ac.ir
2- Ferdowsi University of Mashhad ,
Abstract: (1463 Views)
In this study, the effect of the interaction between WPC and OSAS in aqueous solution (at total biopolymer concentration 1% w/w) as function of pH (3, 4, 5, 6) and ratio (1:2, 1:1 and 2:1) on the foaming properties (bubble size, foaming capacity and foam stability) was investigated. Smaller bubbles size showed more foam stability. Lowest bubbles size was observed at 1:1 and pH 4 (226.52 µm) and statistical difference between pure WPC (396.15 µm) and WPC-OSAS complex solutions at this pH was significant. Maximum foaming capacity was observed at ratio 1:1 and pH 3 (%186.33) and maximum foam stability was calculated at 1:2 WPC: OSAS and pH 4 (%83.27) and there was significant statistical difference with control sample (WPC solution) (%50.74). This research showed that electrostatic interaction between WPC and OSAS can be used as an effective method for improving foaming capacity and foam stability of WPC at low concentrations.
Article Type: Original Research |
Subject:
Hydrocolloids, emulsion
Received: 2022/04/26 | Accepted: 2022/09/21 | Published: 2022/12/1
Received: 2022/04/26 | Accepted: 2022/09/21 | Published: 2022/12/1
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