[article]
| Titre : |
Effect of deionization on the physical properties of gelable protein products recovered from solid tannery waste |
| Type de document : |
texte imprimé |
| Auteurs : |
Maryann M. Taylor, Auteur ; Edward J. Diefendorf, Auteur ; William N. Marmer, Auteur ; Eleanor M. Brown, Auteur |
| Année de publication : |
1995 |
| Article en page(s) : |
p. 365-374 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
Extraction of gelatin or gelable protein products from solid tannery by-products has been demonstrated previously. During the commercial manufacture of gelatin from limed hides, skins and bones, it is common practice to pass the gelatin through a mixed-bed deionizing column in order to reduce the ash content of the proteinK. In the gelable protein products that we are isolating from chrome-tanned waste, the ash content is relatively high and is a function of both the alkali treatment and the original composition of the chrome waste. We have shown that deionizing the protein will reduce the ash. There is, however, a question as to what effect this treatment will have on the bloom and the viscosity - commonly reported analyses for gel quality. Moreover, we have previously shown that the choice of alkali will affect the physical properties were improved in the deionized samples and this is probably due to the increased protein concentration with a small effect contributed by the removal of the ash. Proteins yields were also calculated and we found that the type and concentration of alkali used to extract the gelable protein will affect the yield. We also demonstrated that these processes are reproducible and that good material balances can be obtained. |
| En ligne : |
https://drive.google.com/file/d/1b1sA1Pj_vqZsOgvqLMTNDwU3fAm9Qqcr/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17838 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXX, N° 12 (12/1995) . - p. 365-374
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Effect of deionization on the physical properties of gelable protein products recovered from solid tannery waste in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXX, N° 12 (12/1995)
