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'Perfumery radar' brings order to odors

Date:
December 2, 2010
Source:
American Chemical Society
Summary:
Scientists are announcing development and successful testing of the first "perfumery radar (PR)." It's not a new electronic gadget for homing in on the source of that Eau de Givenchy or Jungle Tiger in a crowded room. Rather, PR is a long-awaited new tool for bringing scientific order to the often arbitrary process of classifying the hundreds of odors that make-up perfumes.

Scientists are announcing development and successful testing of the first "perfumery radar (PR)." It's not a new electronic gadget for homing in on the source of that Eau de Givenchy or Jungle Tiger in a crowded room. Rather, PR is a long-awaited new tool for bringing scientific order to the often arbitrary process of classifying the hundreds of odors that make-up perfumes.

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A report on the advance appears in ACS' journal Industrial & Engineering Chemistry Research.

Alνrio Rodrigues and colleagues note that the typical perfume has 50-100 fragrant ingredients. Experts who make perfumes have long described those ingredients with highly subjective terms like "floral," "citrus," "woody," and "oriental." Many different classification systems have been proposed, but they still leave perfumers describing the same smell with different words that often are arbitrary.

In an effort to bring order to odor classification, the scientists developed "perfumery radar" system, which relies on plots (see graphic), similar to the displays used to track aircraft. They used the PR to classify the primary odor families of 14 commercial perfumes and found that the results closely matched those of experienced perfume makers. With the PR, manufacturers could speed up the development of new perfumes -- namely the so-called preformulation stage in which they experimentally evaluate the product -- thus saving time and money, the report states.


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The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Miguel A. Teixeira, Oscar Rodríguez, Alírio E. Rodrigues. Perfumery Radar: A Predictive Tool for Perfume Family Classification. Industrial & Engineering Chemistry Research, 2010; 49 (22): 11764 DOI: 10.1021/ie101161v

Cite This Page:

American Chemical Society. "'Perfumery radar' brings order to odors." ScienceDaily. ScienceDaily, 2 December 2010. <www.sciencedaily.com/releases/2010/12/101202124325.htm>.
American Chemical Society. (2010, December 2). 'Perfumery radar' brings order to odors. ScienceDaily. Retrieved April 19, 2015 from www.sciencedaily.com/releases/2010/12/101202124325.htm
American Chemical Society. "'Perfumery radar' brings order to odors." ScienceDaily. www.sciencedaily.com/releases/2010/12/101202124325.htm (accessed April 19, 2015).

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