Ajit S Narang et al.
Journal of pharmaceutical sciences, 101(1), 127-139 (2011-11-24)
Reactive peroxides in povidone often lead to degradation of oxidation-labile drugs. To reduce peroxide concentration in povidone, the roles of storage conditions, antioxidants, and silicates were investigated. Povidone alone and its physical mixtures with ascorbic acid, propyl gallate, sodium sulfite