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What are peptides, and how are they different from proteins?

Pepeties are chains of 2-50 amino acids linked by peptide bonds, while proteins are longer chains, typically over 50 amino acids. 

Pepetides are smaller, simplier molecules often serving as signalling molecules or building blocks for proteins. Both are essential for biological processes like hormone regulation, enzyme function, and cell signalling.

Whaet do peptides do in the body?

Peptides play diverse roles, including acting as hormone (e.g. insulin), neurotransmitters, or growth factors. The regulate processes like metabolism, immume responses, tissue repair and muscle growth. Specific pepetides can signal cell to perform tasks like healing and or fighting infections.

What is pepetide purity?

This is the percentage of peptide that is found in the correct seequence as opposed to truncated, deleted, or imcomplete seequences that can arise from peptide synthesis.

The purity is determined by HPLC.