ЕКСТРАГУВАННЯ КОЛАГЕНУ З НЕДУБЛЕНИХ ВІДХОДІВ ШКІРЯНОГО ВИРОБНИЦТВА
EXTRACTION OF COLLAGEN FROM NON-TANNED WASTES OF LEATHER PRODUCTION
Сторінки: 269-273. Номер: №5, 2020 (289)
Автори:
Л.А. МАЙСТРЕНКО, О.С. ЮНГІН, Л.О. ЛАСТОВЕЦЬКА
Київський національний університет технологій та дизайну
L. MAISTRENKO, O.IUNGIN, L.LASTOVETSKA
Kyiv National University of Technologies and Design
DOI: https://www.doi.org/10.31891/2307-5732-2020-289-5-269-273
Рецензія/Peer review : 26.10.2020 р.
Надрукована/Printed : 27.11.2020 р.
Анотація мовою оригіналу
Метою даної роботи було встановлення доцільності та можливості екстрагування колагену з недублених відходів підприємства з виготовлення натуральних шкір ПрАТ «Чинбар» (м. Київ) шляхом проведення кислотного гідролізу розчином оцтової кислоти. Отримано зразки водорозчинного колагену з золеної голинної обрізі, знезоленої голинної обрізі та міздрі. Встановлено найбільший вихід розчинного колагену у зразках, отриманих після його екстрагування зі знезоленої голини.
Ключові слова: колаген, відходи шкіряного виробництва, екстрагування колагену.
Розширена анотація англійською мовою
The aim of paper is to establish the expediency and possibility of collagen extraction from non-tanned wastes of leather production by acid hydrolysis. The analysis of literature sources on the problems of the research was carried out, the peculiarities of collagen extraction from non-tanned collagen-containing wastes of leather production were established. Methods of the determination of collagen by the biuret method and total Nitrogen by the Kjeldahl method were used. Extraction of collagen from non-tanned wastes of leather production by proteins acid hydrolysis was performed. Samples of water-soluble collagen were obtained from limed pelt after trimming, delimed pelt after trimming and fleshings. The content of collagen and total Nitrogen was determined in the experimental samples. The highest amount of collagen was extracted from delimed pelt after trimming, the second place – pelt after trimming. The least amount of collagen was extracted from the fleshings. Such destribution of collagen amount from limed pelt after trimming and fleshings samples can be explained by the fact that part of the acetic acid from the solution is consumed to neutralize the calcium hydroxide present in the samples of these groups after the limming process. For the first time, the possibility of obtaining soluble collagen from samples of non-tanned collagen-containing wastes of the enterprise for genuine leather production “Chinbar” (Kyiv) was studied. The perspectives of using different wastes from leather production as a source of obtaining soluble collagen for further use for biomedical purposes were shown. Practical value: soluble collagen was obtained from non-tanned wastes of leather production: pelt after trimming and fleshings. The most promising for the extraction of collagen wastes from the tanning industry was described.
Key words: collagen, leather production waste, collagen extraction.
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