Improved isolation of bioactive components of bovine colostrum using cross‐flow microfiltration | Zendy

Gosch Thomas | Zendy; Apprich Silvia | Zendy; Kneifel Wolfgang | Zendy; Novalin Senad | Zendy

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Improved isolation of bioactive components of bovine colostrum using cross‐flow microfiltration

Author(s) -

Gosch Thomas,

Apprich Silvia,

Kneifel Wolfgang,

Novalin Senad

Publication year - 2013

Publication title -

international journal of dairy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.061

H-Index - 53

eISSN - 1471-0307

pISSN - 1364-727X

DOI - 10.1111/1471-0307.12027

Subject(s) - microfiltration , colostrum , membrane , chromatography , ultrafiltration (renal) , casein , bovine milk , permeation , chemistry , ceramic membrane , food science , biochemistry , antibody , biology , immunology

Bovine colostrum contains bioactive components such as growth factors, immunoglobulins and antimicrobial factors. As conventional heat treatment methods inactivate these valuable components, cross‐flow microfiltration ( MF ) seems to be a promising option for the processing of bovine colostrum. A series of cross‐flow MF experiments with tubular ceramic membranes of various pore sizes and geometries were conducted. MF with pore sizes of 0.8 and 1.4 μm resulted in a 5.4‐ and 3.5‐log reduction of the microbial content, respectively. Applying 0.14‐ and 0.2‐μm membranes lead to a permeate that was almost free from micro‐organisms and casein. However, the maximum transmission of whey protein into the permeate was only 33%.

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