L-cysteine is an amino acid with physiological functions. It is the only amino acid with a reducing sulfhydryl group (-SH) among more than 20 amino acids that make up proteins. It is widely used in medicine, food additives and cosmetics. In 2002, global demand for cysteine reached 4400-4600 tonnes and the annual growth rate was 2-3%.
What role does L-cysteine play?
What is the physiological function of L-cysteine?
What is the significance of L-cysteine for humans?
What role does L-cysteine play?
Cysteine is a naturally occurring amino acid with many applications in food processing, mainly in baked goods, as an essential ingredient in dough improvers. Cysteine is a reducing agent that promotes the formation of gluten, thereby reducing mixing time and energy requirements for medical purposes. Cysteine works by altering disulfide bonds between and within protein molecules. The structure of the protein is weakened so that the protein expands. L-cystine is also a necessary raw material for the production of meat flavors. Its reaction was originally a Maillard reaction, and meat flavors are widely used in French fries, medicine, ham and other fields.
What is the physiological function of L-cysteine?
1.It has cohesion in living body etc., Therefore, L-cysteine has a wide range of toxins such as formaldehyde, acetaldehyde, chloroform, carbon tetrachloride, lead, cadmium, methyl mercury chloride, lipid peroxide, PCB, pufferfish. Toxins, alcohol, etc. have effective detoxification effects, which have been proven by experiments.
2. L-cysteine can effectively prevent and treat radiation damage.
3.L-cysteine maintains the activity of an important sulfhydrylene enzyme in the keratin production of skin proteins and supplements sulfur groups to maintain the normal metabolism of the skin and regulate the underlying melanin produced by the pigment cells in the lowest layer of the epidermis. Very ideal natural whitening cosmetics. It can remove the melanin of the skin itself, change the nature of the skin itself and lighten the skin in a natural way.
4.Whenever inflammation and allergies occur and reduce thiolases such as cholphosphatase, L-cysteine supplementation can maintain thiolase activity and improve skin symptoms of inflammation and allergies.
5. L-cysteine has a keratin-dissolving effect, so it is also effective in skin diseases with keratin hypertrophy.
6.L-cysteine has the function of preventing biological aging.
What is the significance of L-cysteine for humans?
L-cysteine is mainly distributed in liver, spleen and kidney, and also accumulates in large quantities on the surface of the human body, including the skin, mucous membranes and the surface of the digestive tract, etc. When foreign bodies enter, including those taken orally, inhaled from the atmosphere and penetrated through skin contact. Strengthen the body's defenses and adjust the body's defenses.
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