Abstract
In the present study, collagen was obtained from tissues of the invasive sea urchin (Diadema setosum) rapidly spread in the Mediterranean Sea. As a result, the yield of collagen isolated from sea urchin was determined to be 23.78±1.33% (dry weight). As a result of SDS-Page analysis, it was determined that it contains (α1)2α2, (Molecular Weight (MA) 124, 114 kDa) and ß chains (MA 245 kDa) similar to calfskin collagen. In the amino acid analysis of collagen, it was determined that the imino acid (proline+hydroxyproline) content was 196.1 residues/1000 residues. The functional bands of amide A (3301 cm-1), B (2924 cm-1), I (1643 cm-1), II (1550 cm-1), and III (1242 cm-1) functional bands were visualized in the FTIR spectrum. These results were like other collagen sources. Invasive sea urchin was used as a source of collagen for the first time in the present study. An alternative source of collagen to mammalian collagen, which is used commercially in many industries such as biomedicine, food and cosmetics, was isolated for the first time from D. setosum. It was proposed that marine collagen can be used as an alternative source of collagen and a functional component in areas including food, cosmetics, and pharmaceutical industries.
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