Product Description
Proline is a cyclic imino acid with a chemical formula of C5H9NO2. Here is some main information about proline:
I. Properties
Appearance: white crystals or crystalline powder.
Solubility: easily soluble in water and ethanol, insoluble in ether and butanol.
Optical activity: There are three forms: right-handed (D-proline), left-handed (L-proline) and racemic, of which L-proline is the main form in the body.
II. Biological effects
Protein structure: It has a unique role in protein structure. Its ring structure allows the polypeptide chain to form a specific conformation, increasing the stability and flexibility of the protein. Proline often appears at the corners of the protein, which is crucial for the folding of the protein and the formation of the three-dimensional structure.
Collagen synthesis: It is an important component of collagen. Collagen is one of the most abundant proteins in the human body and plays a key structural support role in tissues such as skin, bones, and tendons. The content of proline directly affects the synthesis and stability of collagen.
Regulating osmotic pressure: It regulates osmotic pressure in cells, helping cells maintain normal volume and function.
Neurotransmission: It may participate in the neurotransmission process and have a certain impact on the normal function of the nervous system.
III. Sources
Food sources: Proline is contained in protein-rich foods, such as meat, fish, dairy products, beans, nuts, etc.
Biosynthesis: In organisms, proline can be synthesized through a variety of pathways, among which glutamate is an important precursor. In plants, the synthesis of proline is closely related to stress response. For example, under stress conditions such as drought, high salt, and low temperature, plants will synthesize a large amount of proline to improve stress resistance.
IV. Application areas
Medical field: As a nutritional supplement, it is used to treat protein malnutrition caused by certain diseases.
As an important intermediate in the synthesis of some drugs, such as certain antibiotics and anti-tumor drugs.
Studies have shown that proline may have potential therapeutic effects in wound healing, tissue repair, etc.
Food industry: As a food additive, it is used to improve the taste and texture of food. For example, in some dairy products, proline can increase the mellowness of the product.
In health products, as an important amino acid ingredient, it is used to enhance human immunity and promote health.
Cosmetic field: Due to the moisturizing and repairing effects of proline on the skin, it is widely used in cosmetics, such as skin care products, shampoos, etc.
5. Safety
Under normal circumstances, proline is a relatively safe substance. However, excessive intake may cause some discomfort symptoms, such as gastrointestinal discomfort, allergic reactions, etc.
For some special populations, such as patients with kidney disease and liver disease, proline supplements should be used under the guidance of a doctor.
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