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Egyptian hieroglyphs, Chinese scrolls, and Ayurvedic literature record physicians administering aromatic oils to their patients. Today society looks to science to document health choices and the oils do not disappoint. The growing body of evidence of their efficacy for more than just scenting a room underscores the need for production standards, quality control parameters for raw materials and finished products, and well-defined Good Manufacturing Practices. Edited by two renowned experts, the Handbook of Essential Oils covers all aspects of essential oils from chemistry, pharmacology, and biological activity, to production and trade, to uses and regulation. Bringing together significant research and market profiles, this comprehensive handbook provides a much-needed compilation of information related to the development, use, and marketing of essential oils, including their chemistry and biochemistry. A select group of authoritative experts explores the historical, biological, regulatory, and microbial aspects. This reference also covers sources, production, analysis, storage, and transport of oils as well as aromatherapy, pharmacology, toxicology, and metabolism. It includes discussions of biological activity testing, results of antimicrobial and antioxidant tests, and penetration-enhancing activities useful in drug delivery. New information on essential oils may lead to an increased understanding of their multidimensional uses and better, more ecologically friendly production methods. Reflecting the immense developments in scientific knowledge available on essential oils, this book brings multidisciplinary coverage of essential oils into one all-inclusive resource.
Throughout higher education assessment is changing, driven by increased class size, changing curricula and the need to support students better. At the same time assessment regulations and external quality assurance demands are constraining assessment options, driven by worries about standards, reliability and plagiarism. Innovative Assessment in Higher Education explores the difficulty of changing assessment in sometimes unhelpful contexts. Topics discussed include: problems with traditional assessment methods rationales behind different kinds of innovation in assessment complex assessment contexts in which teachers attempt to innovate innovation in assessment within a range of academic settings theoretical and empirical support for innovations within higher education. More than a ‘how to do it’ manual, this book offers a unique mix of useful pragmatism and scholarship. A vital resource for higher education teachers and their educational advisors, it provides a fundamental analysis of the role and purpose of assessment and how change can be managed without compromising standards.