Timolol maleate has a molecular weight of 432.50. It is a white, odorless, crystalline powder which is soluble in water, methanol, and alcohol. Timolol maleate is stable at room temperature. Timolol maleate ophthalmic solution is supplied in two formulations: Ophthalmic Solution TIMOPTIC* (timolol maleate ophthalmic solution), which contains the preservative benzalkonium chloride; and Ophthalmi...

As defined in BS EN 350-1 [1], natural durability is ‘the inherent resistance of wood to attack by wood destroying organisms’. Eaton and Hale [2] defined natural durability or decay resistance as the ability of the Heartwood of any wood species to resist decay. Normally, natural durability is measured by exposing the wood to biological agents such as termites, beetles, fungi and marine borers (...

This study evaluated the effect of biodiesel as a co-solvent with wood preservative creosote to reduce amount hydrocarbon-based carrier utilized. Small blocks were treated at pilot scale using three different concentrations. The diluent used was blend 80% soybean and 20% petroleum diesel. efficacy tested against brown rot white fungi. results wood-block test agar suggested that there no signifi...

Antimicrobial preservatives are excipients added to multi-dose containers of both sterile and non-sterile drug products. Antimicrobial preservatives are used primarily to inhibit growth of microbial contamination occurring during the period of use. Demonstration of antimicrobial preservative effectiveness is required for these functional excipients. This article reviews key factors for consider...

Pickled fruits are popular condiment not only in Malaysia but many other countries as well. During the natural pickling process, lactic acid bacteria known to be able produce several antibacterial compounds. The pickled Spondias dulcis or ambarella is among commonly consumed fruit and may a promising source of bacteria. Application an alternative chemical food preservative believed natural, saf...