Tyrothricin
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Tyrothricin is a polypeptide antibiotic mixture isolated from Bacillus brevis and consists of tyrocidines and gramicidins. Tyrothricin shows activity against bacteria, fungi and some viruses. Tyrothricin containing formulations are used in sore throat agents and in agents for the healing of infected superficial and small-area wounds.
Nur für Forschungszwecke. Wir verkaufen nicht an Patienten.
- Reinheit: 96.40%
- CAS. Nr.: 1404-88-2
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Speicherung:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biologische Aktivität
Tyrothricin is a mixture of polypeptides, consisting of 50%-70% tyrocidines and 25%-50% gramicidins. The group of tyrocidines is basic, cyclic peptides, whereas the fraction of gramicidins is neutral, linear peptides. Besides physiological and essential L-amino acids, the components of Tyrothricin also contain D-amino acids[1].
Tyrothricin is produced by the gram-positive aerobic sporeforming bacterium Bacillus brevis (Strain ATCC 8185) during its sporulation phase via the nonribosomal pathway[1].
The efficacy spectrum of Tyrothricin mainly covers gram-positive but also several gram-negative bacteria. Corynebacteria and staphylococci show a broader range of Tyrothricin concentrations for inhibition (2-256 μg/mL). In contrast to the gramicidin fraction alone, Tyrothricin is able to inhibit all Staphylococcus strains at a maximum concentration of 128 μg/mL. Among the gram-negative organisms, gonococci and meningococci were the most sensitive germs (96 μg/mL)[1].
Tyrothricin exerts fungicidal effects on a variety of Candida species.
Tyrothricin shows an anti-infectious activity against parainfluenza virus (type Sendai)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Nevertheless disruption of the integrity of eukaryotic membranes is observed at higher Tyrothricin concentrations in vitro. This effect is exemplified as hemolytic activity of Tyrothricin in in vitro studies and when applied to animals i.v.. In contrast to an intravenous (LD50 mouse: 3,7 mg/kg) and an intraperitoneal (LD50 mouse: 20-45 mg/kg) application the oral application is very well tolerated, as Tyrothricin is destroyed in the gastro-intestinal tract[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS. Nr. 1404-88-2
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Appearance Solid
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Color White to off-white
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SMILES
[Tyrothricin]
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Initial Source
Bacillus brevis
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Lösungsmittel & Löslichkeit
DMSO : 100 mg/mL (Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Reinheit & Dokumentation
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Data Sheet (268 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
Verweise
Calculators
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
Tyrothricin Related Classifications
HY-120435 Related Classifications
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