4.6 Article

A multi-analytical strategy for evaluation of quality and authenticity of artichoke food supplements for overweight control

期刊

JOURNAL OF CHROMATOGRAPHY A
卷 1647, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.chroma.2021.462102

关键词

Artichoke; Food supplements; GC-MS; HPLC-UV-MS; Sugars; Caffeoylquinic acids; Quality; Authenticity

资金

  1. Ministerio de Economia, Industria y Competitividad (AEI/FEDER, UE) [AGL2016-80475-R]
  2. CSIC [202080E216]
  3. Comunidad of Madrid
  4. FSE program (AVANSECAL-II-CM) [S2018/BAA-4393]
  5. FEDER program (AVANSECAL-II-CM) [S2018/BAA-4393]
  6. Ministerio de Ciencia, Innovacion y Universidades (Spain) [DIN2019-010849/AEI/10.13039/501100011033]

向作者/读者索取更多资源

The study developed a new multi-analytical strategy using GC-MS and HPLC-UV-MS to evaluate the quality/authenticity of artichoke-based food supplements for obesity control. Various compounds were detected in the supplements, with some potentially related to heat treatment or added ingredients. The application of this multi-analytical strategy was found to be advantageous for detecting fraudulent practices and assessing the quality of the products.
Despite the widespread use of artichoke-based food supplements for obesity control (FSOC), studies on evaluation of the quality/authenticity of these commercial products are scarce. To that aim, a new multi-analytical strategy, based on the use of gas chromatography coupled to mass spectrometry (GC-MS) and high performance liquid chromatography coupled to ultraviolet and mass spectrometry detection (HPLC-UV-MS), in combination with chemometrics, has been developed. Twenty-one artichoke FSOC and different bract and leaf extracts (used as reference samples) were analysed. Sugars, inositols, caffeoylquinic acids, dicaffeoylquinic acids, flavonoids and their glycosides were detected in reference samples and in most artichoke FSOC. Low concentrations of bioactives, and the presence of other compounds probably related to heat treatment during manufacturing (difructosyl anhydrides, 3-deoxyglucosone), or to the addition of caloric additives (maltose, maltotriose) or non-declared plants (e.g. pinitol, disaccharides, silybin derivatives) were also detected in some FSOC by either GC-MS or HPLC-UV-MS. Application of Principal Component Analysis to the combined GC-MS + HPLC-UV data matrix, proved that this multi-analytical strategy provides advantages over single analytical techniques for the detection of the wide variety of fraudulent practices affecting authenticity of artichoke FSOC and for assessment of their quality. (C) 2021 Elsevier B.V. All rights reserved.

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