An appropriate preservative or preservative system must exert a wide spectrum of antimicrobial activity against a variety of organisms (gram positive, gram negative, molds, yeasts etc.), dissolve in the preparation vehicle, not have irritating properties, and not interact negatively with the active pharmaceutical ingredient (API) or other components.3 Antimicrobial Effectiveness Testing per USP , a required element for BUD extension of aqueous preparations under new USP guidelines official in November, requires challenges with escherichia coli, pseudomonas, staphylococcus, candida, and aspergillus species, encompassing gram negative, gram positive, and fungal organisms.2 A preservative system must be effective against all three types of organisms to pass AET
In vitro probiotic characterization of lactobacillus casei isolated from marine samples
It is often absent in the initial stages of disease, especially in younger patients
Serum metabolites associated with brain amyloid beta deposition, cognition and dementia progression
Originally developed for treating asthenia (abnormal physical weakness and lack of energy), citrulline malate supplements have been shown to improve athletic performance in numerous scientific trials