Peptide Lyophilized Powder for Sale

What is a Peptide?

Peptide is simply a "short chain" molecule connected by amino acids. Its structure is smaller than that of protein, but larger than a single amino acid, and it is often regarded as a "semi-finished product" or "functional fragment" of protein.

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Source of peptide?

(1) The body's own synthesis

The human body can synthetic peptides itself. For example, some hormones in the body belong to polypeptide substances, such as growth hormone-releasing peptides, which can participate in physiological processes such as appetite regulation. It is formed by the synthesis of corresponding amino acid sequences by human endocrine cells according to the information encoded by genes and their connection. Some cytokines are also peptides, which play a role in immune regulation and other processes.

(2) Natural extraction

Peptides are extracted from animals and plants in nature, such as antibacterial peptides from some insects and peptides with special biological activities from some marine organisms. These peptides are extracted by specific biochemical extraction techniques and separated and purified according to their existing forms in organisms.

(3) Peptide synthesis technology 

Through the solid/liquid phase technology of peptide, Omizzur lab immobilized amino acids on the resin in the laboratory and connected them one by one into peptide chains. Through the corresponding synthesis strategy and modification, the produced peptide can be used for scientific research and peptide production in pharmaceutical companies.

Omizzur lyophilized peptides powder for sale:

***Omizzur peptide lyophilized powder products are not limited to the above varieties, please consult Omizzur services for more details.

Peptide Lyophilized technology

Lyophilization or Freeze-Drying of peptide is a crucial step in the production of polypeptide drugs and reagents. Its purpose is to sublimate and remove water from polypeptide solution at low temperature, and obtain solid powder with stable structure and easy long-term storage.

Why do peptides need to be lyophilized ?

Peptides, especially those in aqueous solutions, are very unstable and prone to the following degradation reactions:

1. Hydrolysis: Peptide bonds will break in the presence of water, leading to the decomposition of polypeptide chains.

2. Oxidation: Some amino acids (such as methionine, cysteine, tryptophan and histidine) are easily oxidized.

3. Formation of aggregates: physical aggregation may occur between polypeptide molecules, forming insoluble precipitates.

Peptide lyophilized can effectively solve these problems:

1. Removal of water: The necessary conditions of hydrolysis reaction are fundamentally eliminated.

2. Inhibition of movement: In the solid glass state, the movement of molecules is extremely slow, which greatly delays all chemical degradation reactions and physical aggregation processes.

3. Improve stability: Dry solid powder is much more stable than solution, and the shelf life can be extended from several days/weeks to several years.

4. Convenient transportation and storage: the powder is small in shape and volume, and does not need cold chain transportation (stable at room temperature), so it can be redissolved before use.

Peptide Lyophilized is a key technology to transform unstable liquid peptides into stable solid ones. Its success depends on the deep understanding of physical and chemical principles, careful design of protective agent formula and accurate control of freeze-drying process parameters. A robust freeze-drying process is an important guarantee to ensure that polypeptide drugs move from laboratory to clinical application and realize commercialization.

Core Application Fields of Peptide Lyophilized Powder

With the continuous maturity of polypeptide freeze-drying technology, its application has penetrated into many fields such as biomedicine, medical beauty, scientific research and testing, and has become an important support to promote the development of related industries:

1. Biomedical field: This is the core application scenario of peptide lyophilized . Peptide drugs, such as insulin, anticancer peptide and antibiotic peptide, can maintain their activity for a long time by freeze-drying technology, prolong the shelf life (from a few days/weeks to several years), and do not need cold chain transportation, thus reducing the logistics cost, and at the same time meeting the requirements of sterility and high purity of drugs for injection, which provides a guarantee for the clinical application and commercialization of peptide drugs.

2. Medical beauty field: With the rapid development of medical beauty industry, lyophilized peptides have become the core components of anti-aging and repairing skin care products with the advantages of high activity and low irritation, such as acetyl hexapeptide -8, blue copper peptide, etc. Through freeze-drying technology, their functions of promoting collagen synthesis and repairing skin barrier are retained, and they can be re-dissolved when used, which can maximize the skin care effect.

3. Field of scientific research and detection: peptide reagents and diagnostic reagents (such as antibody freeze-dried tablets) in the laboratory can be stored for a long time after freeze-drying, so as to avoid the loss of activity, ensure the accuracy and repeatability of experimental results, and provide reliable support for basic research and disease diagnosis related to peptides.

About Omizzur Peptide

Omizzur has been deeply involved in the field of peptides for more than 15 years, and has developed and accumulated abundant technologies. Omizzur can provide more than 150 kinds of peptide modifications and synthesize more than 10,000 kinds of peptides, and can provide peptides ranging from mg to Kg,Crude to 98% and 2AA-189AA in length, serving nearly 400 scientific research users worldwide.

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