Side-by-Side Comparison · 2026

Apidaecin vs Kalata B1

Apidaecin vs Kalata B1 — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Apidaecin
Antimicrobial Peptide

Apidaecins are proline-rich antimicrobial peptides from the hemolymph of honeybees (Apis mellifera). Unlike membrane-disrupting AMPs, apidaecins kill bacteria exclusively through intracellular ribosome targeting after transporter-mediated uptake, similar to Bac7 and PR-39....

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Kalata B1
Antimicrobial Peptide

Kalata B1 is the prototype cyclotide - a cyclic peptide with a head-to-tail backbone cyclization and three disulfide bonds forming a cystine knot topology. Isolated from the plant Oldenlandia affinis, which is traditionally used in Africa to accelerate childbirth (uterotonic use)...

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Key Parameters
Parameter Apidaecin Kalata B1
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical Preclinical
Half-Life Minutes (proteolytic) Hours (resistant to all proteases)
Typical Dose N/A N/A
Frequency N/A N/A
Route Research only Research only (oral stability under study)
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Apidaecin and Kalata B1?
Apidaecin: Apidaecins are proline-rich antimicrobial peptides from the hemolymph of honeybees (Apis mellifera). Unlike membrane-disrupting AMPs, apidaecins kill bacteria exclusively through intracellular ribosom... Kalata B1: Kalata B1 is the prototype cyclotide - a cyclic peptide with a head-to-tail backbone cyclization and three disulfide bonds forming a cystine knot topology. Isolated from the plant Oldenlandia affinis,...
Which has a longer half-life, Apidaecin or Kalata B1?
Apidaecin half-life: Minutes (proteolytic). Kalata B1 half-life: Hours (resistant to all proteases).
Can you stack Apidaecin and Kalata B1?
Apidaecin and Kalata B1 are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.