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Raw Peptides vs Lyophilized Peptides
Raw powder peptides and lyophilized peptides are not the same, although they can appear similar in their dry form. Here’s a detailed distinction between the two:
Raw Powder Peptides
Production Method:
- Raw powder peptides are synthesized and then purified, resulting in a powder form without undergoing the freeze-drying process.
- These peptides are typically obtained directly after synthesis and purification steps.
Characteristics:
- They may still contain residual solvents or moisture from the synthesis process.
- Stability can vary, and they might not have the same level of purity and longevity as lyophilized peptides.
Storage and Handling:
- They generally require specific storage conditions to prevent degradation, often involving desiccation or refrigeration.
- Handling raw powder peptides involves careful consideration of potential residual moisture or solvents.
Lyophilized Peptides
Production Method:
- Lyophilized peptides undergo a freeze-drying process that removes all water content after synthesis and purification.
- This process involves freezing the peptide solution and then sublimating the ice under vacuum to obtain a dry powder.
Characteristics:
- They are in a completely dry, stable form with very low moisture content.
- The freeze-drying process increases their stability and shelf life significantly, making them more resistant to degradation.
Storage and Handling:
- Lyophilized peptides can typically be stored at room temperature, although refrigeration is recommended for long-term storage.
- They require reconstitution with a suitable solvent before use.
Summary
- Raw powder peptides are directly obtained after synthesis and purification and may contain residual moisture or solvents.
- Lyophilized peptides undergo an additional freeze-drying process, resulting in a more stable and long-lasting dry powder form.