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Reaction Paper On Perfume

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Perfume is mixture of fragrant aroma compounds or essential oils, the first evidence of the use of perfume by mankind dates back to the very old Egyptian civilizations around 2400 BC1. Throughout the ages, fragrances have become gradually more essential and accessible. Nowadays, the perfume business is a billion-dollar industry 2. The companies also synthesize and trade the individual raw materials used in perfumes, the perfume stocks are relatively unknown companies that create and supply perfumes according to the wishes of their customers. The perfume raw materials are generally complex mixtures of synthetic or natural (e.g. essential oils) organic compounds, the fortitude of the composition of an unknown perfume, the so called perfume-formulation process, is not an easy task. Apart from the olfactive expertise of the perfumers, it also wants advanced analytical tools. Because most perfume components are a polar and semi-volatile in nature, for decade’s olfactometry, Headspace techniques, GC and GC-MS, flame ionization detection have been, commonly used in analytical techniques of perfume industry. Perfume-stability studies, perfume-formulation …show more content…

It measures a gaseous mixture in Odor Units (OU). Unlike chemical analysis, olfactometry does not identify a chemical structure or a group of substances. Taking into account the definition of odor threshold, 1 OU is the smallest amount (number of molecules) of an odorant capable of generating an odor sensation by an individual when dispersed in 1 m3 of neutral air. Hence, 1 OU/m3 is the bench mark of the odorant concentration scale3. In this way, the odor intensity can be estimated, the odor concentration in terms of OU/m3 of a mixture is not the algebraic sum of OUs for the individual components, but results from the combination of complex phenomena and mutual

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