Skip to main content
Log in

Mass Spectrometry Determination of Fining-Related Allergen Proteins in Chilean Wines

  • Published:
Food Analytical Methods Aims and scope Submit manuscript

Abstract

Casein (milk powder) and ovalbumin (egg white powder) are often used as wine fining agents with the objective to promote interactions with undesirable compounds, e.g., polymeric phenols. This kind of proteins may trigger allergic reactions in susceptible individuals; therefore, their occurrence in wines could become a human health risk, moreover when their presence is not reported. The objective of this work was to establish a mass spectrometry method to determine casein and ovalbumin in Chilean wines. To the best of our knowledge, the present work reports for the first time the presence of these proteins in Chilean wines. Proteins were extracted combining the use of ultrafiltration membranes and protein precipitation with organic solvents. Thereafter, proteins were digested with trypsin during 7 h with a 1:10 enzyme protein ratio. Chromatographic separation was carried out on a Kinetex XB C18 (100 × 4.6 mm, 2.6 μm) column set at 35 °C using an acidified (0.1% v/v formic acid) mobile phase composed of ultrapure water (A) and acetonitrile (B). For a highly selective evaluation, quantification was carried out by mass spectrometry applying multiple reaction monitoring (MRM). Validation was established according to the International Conference Harmonization guidelines. Calibration data (n = 6) fitted a linear regression model with determination coefficients (R2) higher than 0.99. Repeatability (n = 6) and intermediate precision (n = 3) showed RSD values ≤ 1.36% and ≤ 1.53%, respectively. Recovery (n = 3) at three levels ranged from 86.40 to 106.98%. Detection and quantification limits ranged from 4.70 to 8.50 μg L−1 and 10 to 20 μg L−1, respectively. Twenty Chilean wine samples were analyzed; 18 samples showed quantifiable levels, from which three samples presented a total casein and ovalbumin concentration (0.24–0.26 mg L−1) closer or higher to the European limit for mandatory labeling (0.25 mg L−1).

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3

Similar content being viewed by others

References

Download references

Acknowledgments

This work is part of Jessy Pavón Pérez thesis to obtain the degree of Doctor in Science and Analytical Technology from the University of Concepcion, Chile. Authors want to thank to the National Commission of Scientific and Technological Research (CONICYT) of the Chilean Government for the doctoral scholarship granted.

Funding

This study was funded by the National Fund for Scientific and Technological Development (FONDECYT) project no. 1171857 and by the Fund for Scientific and Technological Equipment (FONDEQUIP) project no. 130209 and University of Concepcion.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Mario Aranda.

Ethics declarations

Conflict of Interest

Jessy Pavon declares that she has no conflict of interest. Karem Henríquez-Aedo declares that she has no conflict of interest. Mario Aranda declares that he has no conflict of interest.

Ethical Approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed Consent

Not applicable.

Additional information

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Pavón-Pérez, J., Henriquez-Aedo, K. & Aranda, M. Mass Spectrometry Determination of Fining-Related Allergen Proteins in Chilean Wines. Food Anal. Methods 12, 827–837 (2019). https://doi.org/10.1007/s12161-018-01416-0

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s12161-018-01416-0

Keywords

Navigation