Keratin

 

Gastrin

Insulin Keratin is insoluble and a fibrous scleroprotein. It is chemically inert and not digestible readily with very well known proteases. It has a high sulphur content, and is proline is lower than that in collagen. Its tyrosine is moderate  and it has little histidine and methionine. When boiled it does not produce gelatin. It is present in skin, hair, nails etc.

 

Keratinization

This process of conversion to keratin or keratinous tissue.

 

 

 

 

 

 

 

 

 

 

 

 

 

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