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The effectiveness of (+)-catechin in the control of foam stability of a deliberately destabilized Tween 20//3-lactoglobulin mixed system was investigated. Significant improvement in the foamability and foam stability was obtained in the presence of low concentrations of (+)-catechin. The maximum improvement was observed at a molar ratio of (+)-catechin to protein of approximately 0.1. The mechanism of action of (+)-catechin was investigated by careful study of the properties of thin liquid films (isolated foam lamellae). This polyphenolic compound was found to increase the equilibrium thickness was located in the adsorbed layer. The data are consistent with (+)-catechin-induced cross-linking of proteins in the adsorbed layer. Such molecules offer considerable potential protein foam stability.
|Number of pages||6|
|Journal||Journal of Agricultural and Food Chemistry|
|Publication status||Published - 28 Feb 1995|
- foam stability
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Functional Foods and Food Functionalisation.
Dipak Sarker (Presenter)4 Feb 2015
Activity: External talk or presentation › Invited talk
Interfacial rheological properties of Tween20: β-lactoglobulin mixed systems as affected by phenolic antioxidant compounds.
Dipak Sarker (Presenter)21 Mar 2010 → 24 Mar 2010
Activity: External talk or presentation › Oral presentation