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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Fragrances of plant origin
 Koláčková, Adéla ; Vítová, Eva (referee) ; Zemanová, Jana (advisor)
This thesis describes specifications of fragrances of plant origin, their origin and usage, methods of obtaining and ways of use them in cosmetics. Fragrances are mixtures of natural or synthetic character which give the aroma. In the nature, fragrances are produced mainly by plants. Aroma of blossom and other parts of plants is created by essential oils. From the whole number of 295 families of plants for about a third of them contains essentials oils which can be used in industry. More than 100 fragrances has been identified as allergens. Parfumed products allergies are relatively common. In connection of this problem synthetic alternatives of natural fragrances of plant origin are producing. In this way allergens are and also they will be widely discussed problem.
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