Extraction of collagen and gelatine from animal wastes

Yıl 2020, Cilt: 1 Sayı: 1, 30 - 33, 19.06.2020

Ayşegül Gündem Özgür Tarhan

Öz

Collagen is the structural protein found in connective tissues in mammals and comprises about 60% of whole body protein. Gelatine is the protein product obtained from collagen via various procedures such as thermal denaturation, partial hydrolysis and chemical treatments. Animals such as bovine, sheep, chicken and fish are most commonly used for the production of foods for human nutrition. The wastes such as skins and bones raised during manufacturing of meat products are considered as rich sources for collagen. Various procedures are developed to extract collagen and gelatine as well from those wastes. The resultant protein materials with different purities can be served as value added products promising various application fields based on their characteristics. Many types of collagen are present based on structural differences however, most of the collagen in the body consists the types of I, II and III. Type A and type B are also the two common types of gelatine derived from collagen via acid or alkali treatments at different isoelectric points. Differences in amino acid composition can be encountered in different gelatine types obtained from different sources as well. This study briefly summarizes recovery of collagen and gelatin from animal wastes. Well-defined collagen and gelatine obtained from those wastes can be used to develop biomaterials available for cell scaffolding in tissue engineering besides serving opportunity in manufacturing edible products.

Anahtar Kelimeler

collagen, gelatine, purification, animal wastes

Kaynakça

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