5. Prоlamins and gliadins. They are 70-80% ethanol-soluble proteins, insoluble in water, salt solutions and pure spirits. Their main representative, gliadin, is found in the endosperm of the wheat grain.
6. Glutelin. These are low-soluble proteins (0.2% NaOH) and are insoluble in neutral solvents.
Animal proteins.
In human nutrition, meat is the main source of protein. The fractional composition of meat protein has many components.
Meat is a collection of various tissues of animal organism, the most valuable of which is muscle tissue.
Protein is the main component of muscles. (16....22%)
Muscle tissues include proteins:
- water-soluble sarcoplasmic protein - liogen,
- salt-soluble myofibrils - myosin, actin and their complex
- insoluble stroma proteins - sarcomolema proteins (collagen elastin, mutsin, reticullin) and nucleus
The myogen is rapidly extracted in water and generates a large amount of denaturation on the surface of the boiling soup.
Globulin x is a salt-soluble plasma protein. This protein performs enzymatic function in the body.
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