Active Ingredient History

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Gramicidin, also called gramicidin D, is a mix of ionophoric antibiotics, gramicidin A, B and C, which make up about 80%, 5%, and 15% of the mix, respectively. Each has 2 isoforms, so the mix has 6 different types of gramicidin molecules. They can be extracted from Brevibacillus brevis soil bacteria. Gramicidins are linear peptides with 15 amino acids. This is in contrast to unrelated gramicidin S, which is a cyclic peptide.   Wikipedia

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Combination drugs

( neomycin, polymyxin b sulfate (poly-rx), gramicidin - other name: neomycin and polymyxin b sulfates and gramicidin )

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