Year: 1965
Type: article
Abstract: The influence of conditions of soaking process on the quantities of volatile nitrogen in soaking liquor and the amounts of collagen extracted from salted skin has been studied. Various experiments were carried out by combinating two typical conditions (mild and severe) as to the following factors, which might have an influence on the soaking: weight, position and freshness of skin, temperature and period in soaking and quantity of soak water.After the soaking, each amounts of total nitrogen, volatil nitrogen and hydroxyproline in soaking liquor were determined respectively. As to the results of experiments, the following relations were recognized. The quantities of volatile nitrogen in soaking liquor increased withthe elevation of temperature, with the extension of the period of soaking and with the inferiority in freshness of skin, but it had no relation to the weight, position of skin and quantity of soaking liquors.The amounts of collagen extracted in soaking liquor had a certain relation to the freshness of skin. When the salted skin of inferior freshness was soaked, the content of volatile nitrogen and collagen extracted increased. But in case of addition of chlorotetracyline to the soaking liquor, these increased degree were lowered.
Source: Nihon Chikusan Gakkaiho
Authors: Hiroshi OKAMURA, Akira KAWAMURA
Institution: Tokyo University of Agriculture and Technology
Language: English
Subfield: Animal Science and Zoology
Domain: Life Sciences
Open Access status: diamond
OpenAlex ID: W4240149185