Is r-(s-Rainbow Trout Oligopeptide-1 sh-Polypeptide-4) vegetarian?

r-(s-Rainbow Trout Oligopeptide-1 sh-Polypeptide-4) is a single-chain fusion peptide produced by fermentation in E. coli, synthesized from a fusion gene combining rainbow trout oligopeptide-1 and sh-Polypeptide-4 sequences into a 287 amino acid protein; despite referencing trout, it is produced via microbial fermentation rather than animal extraction.

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

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