منابع مشابه
Chemistry Perfumes Your Daily Life
Until the middle of the 19th century, perfumes were reserved for the wealthiest strata of society. In contrast, the picture we see today is very different. We have come to accept and expect fragrances to be used not only in haute couture perfumes but in a wide range of consumer products from soaps and detergents to household cleaners, including bleaches. This dramatic change in the use of perfu...
متن کاملMultivariate Analysis of Perfumes by Ultraviolet Spectrophotometry
An efficient, fast and cost-effective method for detecting adulteration in perfumes by UV spectroscopy and multivariate analysis is proposed. Classification of perfumes, either as original or fake, was accomplished with the spectroscopic data using chemometric techniques such as principal component analysis (PCA), soft independent modeling of class analogy (SIMCA) and linear discriminant analys...
متن کاملAllergens in Perfumes: Gas Chromatography^ Mass Spectrometry
Perfumes (fragrance substances) are used in the formulation of consumer products to provide pleasure to the user and/or to mask malodours of some other ingredients in the products. Perfumes are also used in aromatherapy. A typical perfume may be composed of 10}300 substances selected from a battery of over 3000 synthetic and natural fragrance materials. It has been shown that approximately 2% o...
متن کاملThe influence of gender-stereotyped perfumes on leadership attribution
The classification of perfumes as ‘women’s’ and ‘men’s’ fragrances is based on certain gender stereotypes. In two experiments, female and male participants were asked to assume the role of a manager. In Experiment 1, they read an application for the position of a junior manager written by a male or female job applicant. Application papers were prepared with a typically masculine perfume, a typi...
متن کاملA Biotechnological Approach to Microbial Based Perfumes and Flavours
Flavours and fragrances are generally extracted from plants and animals since times immemorial. The structure of flavour compounds from plant sources range from single to complex substances. Their chemical structures are elucidated by the modern sophisticated techniques like mass spectroscopy and NMR that is followed by their chemical synthesis. Flavours are generally used as food additives and...
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ژورنال
عنوان ژورنال: The Journal of the American Pharmaceutical Association (1912)
سال: 1915
ISSN: 0898-140X
DOI: 10.1002/jps.3080040211