Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 407962
Title Surface activity and molecular characteristics of cuttlefish skin gelatin modified by oxidized linoleic acid
Author(s) Aewsiri, T.; Benjakul, S.; Visessanguan, W.; Wierenga, P.A.; Gruppen, H.
Source International Journal of Biological Macromolecules 48 (2011)4. - ISSN 0141-8130 - p. 650 - 660.
Department(s) Food Chemistry Group
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) emulsifying properties - peroxidation products - functional-properties - fish gelatin - proteins - emulsions - oil - fluorescence - stability - oxidation
Abstract Surface activity and molecular changes of cuttlefish skin gelatin modified with oxidized linoleic acid (OLA) prepared at 60, 70 and 80 °C at different times were investigated. Modification of gelatin with OLA could improve surface activity of resulting gelatin as evidenced by the decreased surface tension and the increased foaming and emulsifying properties. Interaction between OLA and gelatin led to the generation of carbonyl groups, loss of free amino content and the increase in particle size of resulting gelatin. Emulsion stabilized by modified gelatin had the smaller mean particle diameter with higher stability, compared with that stabilized by gelatin without modification.
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