Simultaneous determination of multi-allergens in surimi products by LC-MS/MS with a stable isotope-labeled peptide. 2020

Xue Huang, and Zitong Zhu, and Heng Feng, and Qiumei Zhang, and Hong Zhang
School of Food Science and Biological Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China.

A novel LC-MS/MS method for simultaneous quantification of the allergens of soy, milk and egg in surimi products was established based on three signature peptides, namely EAFGVNMQIVR (soy glycinin G2), YLGYLEQLLR (milk α-S1-casein), GGLEPINFQTAADQAR (egg ovalbumin) and a stable isotope-labeled peptide EAFGVNMQI* (I*, 13C6, 15N) VR. After protein extraction and tryptic digestion, four selected marker peptides were measured by HPLC-MS/MS. The determination coefficient R2 was higher than 0.9914 at the range of 0.5-200 ng/mL and both the intra and interday precision RSD were less than 6.7% for three peptides. Limit of quantitation was shown as 0.054 μg/g for soy, 0.024 μg/g for milk and 0.032 μg/g for egg. Current validated method was successfully applied to analyze surimi products, which can not only provide accurate quantification information of allergens for sensitive consumers, but also it may be used for label management for surimi market.

UI MeSH Term Description Entries
D007553 Isotope Labeling Techniques for labeling a substance with a stable or radioactive isotope. It is not used for articles involving labeled substances unless the methods of labeling are substantively discussed. Tracers that may be labeled include chemical substances, cells, or microorganisms. Isotope Labeling, Stable,Isotope-Coded Affinity Tagging,Isotopically-Coded Affinity Tagging,Affinity Tagging, Isotope-Coded,Affinity Tagging, Isotopically-Coded,Isotope Coded Affinity Tagging,Labeling, Isotope,Labeling, Stable Isotope,Stable Isotope Labeling,Tagging, Isotope-Coded Affinity,Tagging, Isotopically-Coded Affinity
D010047 Ovalbumin An albumin obtained from the white of eggs. It is a member of the serpin superfamily. Serpin B14
D002364 Caseins A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones. alpha-Casein,gamma-Casein,AD beta-Casein,Acetylated, Dephosphorylated beta-Casein,Casein,Casein A,K-Casein,Sodium Caseinate,alpha(S1)-Casein,alpha(S1)-Casein A,alpha(S1)-Casein B,alpha(S1)-Casein C,alpha(S2)-Casein,alpha-Caseins,beta-Casein,beta-Caseins,epsilon-Casein,gamma-Caseins,kappa-Casein,kappa-Caseins,AD beta Casein,Caseinate, Sodium,K Casein,alpha Casein,alpha Caseins,beta Casein,beta Caseins,beta-Casein Acetylated, Dephosphorylated,beta-Casein, AD,epsilon Casein,gamma Casein,gamma Caseins,kappa Casein,kappa Caseins
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D005504 Food Analysis Measurement and evaluation of the components of substances to be taken as FOOD. Analysis, Food,Analyses, Food,Food Analyses
D005916 Globulins A group of proteins that are salt-soluble and form a large fraction of BLOOD PROTEINS. There are three types of globulins, ALPHA-GLOBULINS, BETA-GLOBULINS, and GAMMA-GLOBULINS, which are distinguished from one another by their degree of electrophoretic mobility. Globulin
D000485 Allergens Antigen-type substances that produce immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE). Allergen
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D053719 Tandem Mass Spectrometry A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection. Mass Spectrometry-Mass Spectrometry,Mass Spectrometry Mass Spectrometry,Mass Spectrometry, Tandem
D030262 Soybean Proteins Proteins which are present in or isolated from SOYBEANS. Dietary Soybean Protein,Soy Bean Protein,Soybean Protein,Dietary Soybean Proteins,Soy Bean Proteins,Soy Protein,Soy Proteins,Bean Protein, Soy,Protein, Dietary Soybean,Protein, Soy,Protein, Soy Bean,Protein, Soybean,Proteins, Dietary Soybean,Proteins, Soy,Soybean Protein, Dietary,Soybean Proteins, Dietary

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