Food Authentication: Small-Molecule Profiling as a Tool for the Geographic Discrimination of German White Asparagus,Journal of Agricultural and Food Chemistry

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Food Authentication: Small-Molecule Profiling as a Tool for the Geographic Discrimination of German White Asparagus
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2018-11-25 00:00:00 , DOI: 10.1021/acs.jafc.8b05791
Marina Creydt ₁ , Daria Hudzik ₁ , Marc Rurik ₂ , Oliver Kohlbacher _{2,

3,

4,

5} , Markus Fischer ₁

Affiliation

For the first time, a non-targeted metabolomics approach by means of ultraperformance liquid chromatography coupled to electrospray quadruple time-of-flight mass spectrometry was chosen for the discrimination of geographical origins of white asparagus samples (Asparagus officinalis). Over a period of four harvesting periods (4 years), approximately 400 asparagus samples were measured. Initially, four different liquid chromatography–mass spectrometry methods were used to detect as many metabolites as possible and to assess which method is most suitable. The most relevant marker compounds were linked to the influence of different plant stress parameters and climate effects. Some of the samples were also analyzed by isotope-ratio mass spectrometry (IRMS), which is the current gold standard for the discrimination of the geographical origin of asparagus. In summary, the analysis of the metabolome was proven to be quite suitable to determine the geographical origin of asparagus and seems to provide better interpretable results than IRMS studies.

中文翻译：

食品认证：小分子分析作为德国白芦笋地理歧视的工具

首次选择了一种非目标代谢组学方法，该方法是通过超高效液相色谱结合电喷雾四倍飞行时间质谱法来鉴别白芦笋样品的地理起源（芦笋））。在四个收获期（4年）内，测量了大约400个芦笋样品。最初，使用四种不同的液相色谱-质谱法检测尽可能多的代谢物并评估哪种方法最合适。最相关的标记化合物与不同植物胁迫参数和气候效应的影响有关。还通过同位素比质谱法（IRMS）分析了一些样品，这是目前鉴别芦笋地理起源的金标准。总之，已证明对代谢组的分析非常适合确定芦笋的地理起源，并且似乎比IRMS研究提供更好的可解释性结果。

更新日期：2018-11-25

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