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The importance and efficacy of epigallocatechin and epicatechin

25 October 2017 | By , , ,

Plant extracts have been used in African folk medicine to treat a wide array of infections, especially in Nigeria, for centuries. This article considers the potential medicinal uses and efficacy of the flavonoids epigallocatechin and epicatechin, which can be extracted from the Spondias mombin plant.

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Determination of glucosamine in food supplements by HILIC-ESI-MS

20 October 2017 | By , , ,

Glucosamine is sold as a food supplement worldwide, but its production is poorly regulated. A direct and reliable method for the quality control of glucosamine in commercial products is of great importance. This article describes a simple, fast and validated ultra-performance liquid chromatography-quadrupole time of flight (UPLC-QToF) for the determination…

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Compressed gases: an important component of an environmental monitoring programme

25 August 2017 | By , ,

The quality attributes of manufactured pharmaceutical products include the physical, chemical, and microbiological characteristics of the raw materials, excipients and active pharmaceutical ingredient (API), as well as the final drug product (see Table 1). Absence of microbiological contamination is considered a critical quality attribute due to its potential to dramatically…