Application of Surface Active Agents to Pharmaceutical Preparations. VII

Surfactants - Surface Active Agents

The definition for a detergent is a cleaning agent. The main cleaning agent used in earlier days was soap. This term means a compound formed from the reaction of a fatty acid with a base such as caustic soda, forming the sodium soap of the acid. The more commonly used cleaning agent in this day and age is the synthetic detergent (SYNDET) which is a formulation such as TIDE or FAB. The essential...

Silicone Surface-Active Agents

Pharmaceutical Plants (plants Used in Pharmaceutical Preparations)

Preservatives in liquid pharmaceutical preparations.

Sodium benzoate, potassium sorbate, and methyl hydroxybenzoate are commonly used as preservatives in liquid pharmaceutical preparations. The purpose of this study is to determine the amount of the aforementioned preservatives in pharmaceutical products, as some recent studies have reported serious side effects associated with the ingestion of these substances. The content of 37 liquid pharmaceu...

Survivor Curves of Bacteria Exposed to Surface-active Agents.

Reports on bacterial death studies since the basic work of Kronig and Paul (1896) have generally recognized that the death process of bacteria exposed to unfavorable environmental conditions follows a uniform and consistent course. The constancy of the rate of death is the outstanding feature; the term, "constant death rate," means that the number of bacteria that die per time unit is a constan...