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Phytochemical fingerprint and chemometrics for natural food preparation pattern recognition: an innovative technique in food supplement quality control

Journal of Food Science and Technology volume 53, pages 1071–1083 (2016)Cite this article

Abstract

Recently, the fingerprint approach using chromatography has become one of the most effective tools for quality assessment of herbal medicines and food supplements: due to the complexity of the chromatographic fingerprint and the irreproducibility of chromatographic instruments and experimental conditions, chemometric approach is employed to deal with the chromatographic fingerprint. The study was aimed at developing new analytical methods for the multivariate phytochemical fingerprinting of bioactive compounds in eight tree-species bud-preparations, commonly used in phytotherapy. Methods was used to identify and quantify the main bioactive compounds (polyphenols, organic acids and vitamins), and obtain a specific botanical profile in order to assess the contribution of each single bioactive class to the total bud preparation phytocomplex. A chemometric approach was used to distinguish among different genotypes assuring the identity, safety and quality of the botanical raw materials. The established protocol was simple, sensitive and reliable and it could be used for the evaluation and quality control of bud-extracts and natural food supplements: the proposed method was successfully applied to the characterization of commercial bud-preparations, demonstrating to be an effective tool for the fingerprinting of this plant material. The new approach developed in this study represents a good alternative for improving the classification results of herbal materials with complex chromatograms. It should be necessary to develop a “multivariate chromatographic fingerprint”, in order to differentiate the herbal preparations according to their genotype, avoiding substitutions, changes or adulterations with other species or synthetic drugs.

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Authors and Affiliations

  1. Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Largo Braccini 2, 10095, Grugliasco, TO, Italy

    D. Donno, A. K. Cerutti, M. G. Mellano & G. L. Beccaro

  2. Dipartimento di Farmacia, Università degli Studi di Genova, Viale Cembrano 4, 16148, Genoa, Italy

    R. Boggia & P. Zunin

  3. Geal Pharma, Strada Rivà 20, 10060, Bricherasio, TO, Italy

    M. Guido

  4. Polytechnic of Rijeka, Trpimirova 2, 51000, Rijeka, Croatia

    Z. Prgomet

Authors
  1. D. Donno
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  2. R. Boggia
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  3. P. Zunin
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  4. A. K. Cerutti
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  5. M. Guido
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  6. M. G. Mellano
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  7. Z. Prgomet
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  8. G. L. Beccaro
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Corresponding author

Correspondence to D. Donno.

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Donno, D., Boggia, R., Zunin, P. et al. Phytochemical fingerprint and chemometrics for natural food preparation pattern recognition: an innovative technique in food supplement quality control. J Food Sci Technol 53, 1071–1083 (2016). https://doi.org/10.1007/s13197-015-2115-6

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  • DOI: https://doi.org/10.1007/s13197-015-2115-6

Keywords

  • Multivariate fingerprinting
  • Natural food-product
  • Raw material control
  • HPLC