Side-by-Side Comparison · 2026

Clavanin vs Nisin

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

Clavanin
Antimicrobial Peptide

Clavanin is a histidine-rich alpha-helical antimicrobial peptide originally isolated from the tunicate Styela clava. It is active at low pH, suggesting a role in intracellular killing of phagocytosed bacteria....

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Nisin
Antimicrobial Peptide

Nisin A is a 34-residue lanthipeptide bacteriocin produced by Lactococcus lactis. It is the only bacteriocin approved for food use by the FDA (GRAS status, E234 in EU), widely used as a natural food preservative in dairy, canned goods, and processed meats....

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Key Parameters
Parameter Clavanin Nisin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Preclinical GRAS Food Use / Preclinical (medical)
Half-Life Short (minutes) Minutes-hours (pH and protease dependent)
Typical Dose N/A (research only) N/A (food use to ~500 ppm)
Frequency N/A N/A
Route Topical / IV (research) Topical / Oral (food use)
FDA Status Not approved GRAS (food) / Investigational (medical)

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Frequently Asked Questions
What is the difference between Clavanin and Nisin?
Clavanin: Clavanin is a histidine-rich alpha-helical antimicrobial peptide originally isolated from the tunicate Styela clava. It is active at low pH, suggesting a role in intracellular killing of phagocytosed ... Nisin: Nisin A is a 34-residue lanthipeptide bacteriocin produced by Lactococcus lactis. It is the only bacteriocin approved for food use by the FDA (GRAS status, E234 in EU), widely used as a natural food p...
Which has a longer half-life, Clavanin or Nisin?
Clavanin half-life: Short (minutes). Nisin half-life: Minutes-hours (pH and protease dependent).
Can you stack Clavanin and Nisin?
Clavanin and Nisin 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.