Development of identification criteria for fruit vodkas (Part 1. Sample preparation ways)

Author:

Krikunova L. N.1ORCID,Ulyanova E. V.1ORCID,Tomgorova S. M.1ORCID,Andrievskaya D. V.1ORCID,Trofimchenko V. A.1ORCID

Affiliation:

1. All-Russian Scientific Research Institute of Brewing, Beverage and Wine Industry

Abstract

The  development of reliable identification criteria for various  types of foods,  including fruit  vodkas,  is one  of the top-priority directions of scientific research in the field of quality control. The review examines different approaches to solution to a problem of searching identification criteria for fruit vodkas that will allow differentiating products by a type of fruit  raw materials, their grade  and region of origin.  To this  end, instrumental methods of analysis were used, including spectral, high performance liquid chromatography (HPLC) and gas chromatography coupled to mass  spectrometry (GC–MS) as the  main  method. When  detecting minor  aroma-forming substances using  the  latter method, it is necessary, first  of all, to  carry  out  the  special  sample preparation that includes extraction and  concentration of target substances. The  present review  examines three main  types of sample preparation (liquid  extraction, solid-phase extraction, supercritical fluid extraction) and  modifications of these methods. Their  comparative analysis was carried out  with  respect to  labor  intensity, extraction effectiveness, volatile aroma-forming compounds significantly different by polarity, reproducibility and  sustainability. It has been  shown  that a type of sample preparation affects  reproducibility and sensitivity of an instrumental analytic method, which is especially important for identification of some  minor  compounds, which concentration can be regarded as indicators for identification of fruit  raw materials. It has been  concluded that among  the  examined methods of sample preparation, the most  promising for the development of identification criteria for fruit vodkas is headspace solid-phase microextraction (HS-SPME) as this  method is highly  effective in terms of extraction of target components including minor.

Publisher

The Gorbatov's All-Russian Meat Research Institute

Reference59 articles.

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