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Issue 24, 2013
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Sol–gel microencapsulation of odorants and flavors: opening the route to sustainable fragrances and aromas

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Abstract

The sol–gel approach to encapsulate fragrance and aroma chemicals in porous silica-based materials has the potential to afford odorant and flavoured materials with novel and unique beneficial properties. Amorphous sol–gel SiO2 is non-toxic and safe, whereas the sol–gel entrapment of delicate chemicals in its inner pores results in pronounced chemical and physical stabilization of the entrapped actives, thereby broadening the practical utilization of chemically unstable essential oils. Reviewing progress in the fabrication of diverse odorant and flavoured sol–gels, we show how different synthetic strategies afford advanced materials suitable for practical application with important health and environmental benefits.

Graphical abstract: Sol–gel microencapsulation of odorants and flavors: opening the route to sustainable fragrances and aromas

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Publication details

The article was received on 01 Aug 2013 and first published on 27 Sep 2013


Article type: Tutorial Review
DOI: 10.1039/C3CS60286A
Chem. Soc. Rev., 2013,42, 9243-9250

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    Sol–gel microencapsulation of odorants and flavors: opening the route to sustainable fragrances and aromas

    R. Ciriminna and M. Pagliaro, Chem. Soc. Rev., 2013, 42, 9243
    DOI: 10.1039/C3CS60286A

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