CheckVegan

Is sr-Hagfish Polypeptide-1 vegetarian?

sr-Hagfish Polypeptide-1

Vegetarian Vegetarian
Vegan Vegan

sr-Hagfish Polypeptide-1 is a single-chain recombinant protein produced by fermentation in E. coli, using a synthesized gene identical to that coding for Thread Biopolymer Filament Subunit Alpha derived from hagfish. Although the sequence originates from an animal (hagfish), the protein itself is manufactured via microbial fermentation without use of animal-derived material.

Also known as Thread Biopolymer Filament Subunit Alpha
INCI name sr-Hagfish Polypeptide-1
CosIng ID 94390
Last reviewed 4 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue