The use of preservatives must be optimized in order to ensure the efficacy of an antimicrobial system as well as the product safety. Despite the wide variety of preservatives, the synergistic or antagonistic effects of their combinations are not well established and it is still an issue in the development of pharmaceutical and cosmetic products. The purpose of this paper was to establish a spac...

Food preservatives play important role in today's food supplies that are used to prolong the self-life of products by protecting them from deterioration caused by micro-organisms. In this study, investigations were carried out to study the impacts of food preservatives like butylated hydroxytoluene, butylated hydroxyanisole, sorbic acid, propyl gallate and sodium nitrate. The effects of these p...

Chemical preservatives in foods are nowadays added at lower concentrations. However, this may allow survival of bacterial cells and induce increased resistance to various preservatives. In this study, the effects of growth in NaCl (10% or 15%) on survival of Staphylococcus aureus strains in various chemical and physical preservatives were investigated. Growth of the strains for 20 h at 37 ̊C in ...

In view of certain disadvantages associated with the use of chemical preservatives, emphasis is being given on the use of natural preservatives for meat products. In present paper utilization of extracts of commonly used spices, desirable microbes and or their metabolites and certain antimicrobial constituents of other foods has been discussed.

BACKGROUND Epidural and intrathecal injections of methylprednisolone acetate (MPA) have become the most commonly performed interventional procedures in the United States and worldwide in the last 2 decades. However neuraxial MPA injection has been dogged by controversy regarding the presence of different additives used in commercially prepared glucocorticoids. We previously showed that MPA coul...

A wide variety of materials used in manufactured items are subject to microbiological deterioration. Those materials which are of chief concern include textiles and cordage, paper, leather, paints, plastics and plasticizers, rubber, waxes, and wood. The organisms responsible for microbiological deterioration, their mode of attack, and effects on materials, have been reviewed (Greathouse et al.,...

stevia rebaudiana bertoni, is an ancient perennial shrub of south america, with great potential as a crop for the production of high-power natural sweetener. due to its chemical composition and content of the phytochemical compounds, it is suitable as a raw material for the extraction and production of functional foods. diterpene glycosides component of low-calorie sweetener is approximately 30...