The business of fragrances has become a multibillion-dollar market
and the development of fragrance tuned technology enriches modern social life. In this study
the inverse machine learning model for fragrance tuned design is proposed. The molecular surface charge density distribution based on the conductor-like screening model (COSMO) is used as the structural descriptor of the fragrance molecule to design the final fragrance tuned product. First
the fragrance attributes are identified and transform attributes into target properties according to needs. Then
change odor scores and establish the Inverse Machine Learning (IML) models
in which the input variables are odors and the output variable is molecular structure descriptor. Based on the trained IML models
the structure descriptors of the potential product are predicted according to the target properties. Finally
the candidate tuned mixtures were screened out using Euclidean-based method in the specified database. In this paper
two types of fragrant examples are taken as examples. The framework is used to design the fragrance
and the experimental data and odor radar map are used to verify the experimental results.
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references
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