Investigation of whey protein concentration by ultrafiltration elements designed for water treatment | Zendy

Miroslav Kukučka | Zendy; Nikoleta Kukučka | Zendy

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Investigation of whey protein concentration by ultrafiltration elements designed for water treatment

Author(s) -

Miroslav Kukučka,

Nikoleta Kukučka

Publication year - 2013

Publication title -

hemijska industrija

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.147

H-Index - 19

eISSN - 2217-7426

pISSN - 0367-598X

DOI - 10.2298/hemind121016008k

Subject(s) - ultrafiltration (renal) , whey protein , lactose , chemistry , chromatography , filtration (mathematics) , membrane , polysulfone , permeation , food science , biochemistry , mathematics , statistics

Suitability of polysulfone ultrafiltration membranes (UFM) commercial designed for water treatment have been investigated for separation of protein (PR) from sweet whey. Ultrafiltration (UF) of whey originated from dairy has been realized by self-made pilot plant which has been in service about one year. Influence of two whey temperatures (9 oC and 30 oC) on efficiency of protein concentration has been examined. Application of investigated UF elements has given whey protein concentrate (WPC) with 5 to 6 times excess amount of protein content in regard to starting one. In the same time the prevalent content of lactose has been removed to permeate. Better results have been occurred during the cold whey filtration. Besides the fact that molecular weight cut-off (MWCO) of investigated membranes were 50-100 kDa, results showed very successful concentrating of whey proteins of dominantly lower molar weights than 50-100 kDa. Investigated membranes are beneficial for design and construction of UF plants for exploitation in small dairies

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