FUNCTIONAL-PROPERTIES OF HYDROLYSIS PRODUCTS FROM COLLAGEN

Citation
Mm. Taylor et al., FUNCTIONAL-PROPERTIES OF HYDROLYSIS PRODUCTS FROM COLLAGEN, The Journal of the American Leather Chemists Association, 93(2), 1998, pp. 40-50
Citations number
36
Categorie Soggetti
Materiales Science, Textiles","Chemistry Applied
ISSN journal
00029726
Volume
93
Issue
2
Year of publication
1998
Pages
40 - 50
Database
ISI
SICI code
0002-9726(1998)93:2<40:FOHPFC>2.0.ZU;2-V
Abstract
A gelable protein is isolated during the aqueous magnesium oxide treat ment of chromium-containing solid leather waste. For this process to b e cost effective, markets have to be identified for these gelatin-like protein products. Technical grade gelatins have many uses, such as in the preparation of adhesives, cosmetics, paints, encapsulating agents , flocculating agents and fireproofing agents. In order to demonstrate that our products compare to technical grade gelatins, the functional properties of the gelable protein were examined; a commercial gelatin product was used as a reference. In a previous study we demonstrated that the gelable protein products isolated from the alkali treatment o f chrome shavings had adhesive properties comparable to commercial pro ducts. In this present study, ability to form a gel, foamability, capa city to form emulsions, and oil and water absorption properties are ex amined. A description of methodology to evaluate the properties is rep orted. The data show that the functional properties of the magnesium o xide extracted gels are comparable to, and sometimes superior to, tech nical grade gelatins.