Enrichment of α-lactalbumin in whey permeate solution by a semi-batch foaming process

Md Monwar Hossain, Zaid Saleh

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Application of a foam separation technique was evaluated in concentrating proteins from a whey permeate solution, which is considered a low-value effluent in the dairy industry. This was performed in a 75 mm diameter, 530 mm long glass column fitted with a stainless steel sparger that bubbled air through the system. It was possible to produce an enrichment protein fraction with a few times higher concentration and a residual solution with a significantly smaller concentration compared to that in the original feed. Concentration of proteins in whey permeate was performed with undiluted as well as diluted feed solution and it is shown that higher enrichment (about ten times) is achievable if the feed solution is diluted two times before foam separation. However, this resulted in an increase in residual protein concentration with reduced percentage recovery.

Original languageEnglish
Pages (from-to)29-31
Number of pages3
JournalAustralasian Biotechnology
Volume11
Issue number2
Publication statusPublished - Mar 2001
Externally publishedYes

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

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