Page 3 - Shimadzu Solutions for Food Safety & Halal Testing
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Cooked Meat Authentication by Proteotypic Peptide Quantitative

        Proteomic Analysis




                                                             LCMS-8050 and LCMS-8060 are the best Triple Quadrupole Mass
                                                             Spectrometer useful for screening and quantitation of wide range
                                                             of contaminants including pesticides, hormones, veterinary drugs,
                                                             dyes etc. In addition it is also a key technology for Halal meat
                                                             authentication by screening unique peptide markers of pork.
                                                             Fast Scanning speed and ultra-high sensitivity assures highest
                                                             confidence in analysis


        Pig: type I collagen
        Measurement of pig collagen type I successfully detected pig collagen in mixed food types horse sausage and beef-ham-chicken
        sandwich paste.
        Targeted peptides
                                                                Method Development
         Species  Protein  Accession  Peptide  RT  Q1 prec.  MRM 1  MRM 2  MRM 3  MRM 4  CE
                                  (min)   (q)             (q)
          Pig  MYH4  Q9TV62  TLAFLFAER  21.24  534.3 >  853.46  782.42  635.35  522.27  -18.9  Peptide  Uniprot FASTA download  MRM
             COL1A2  Q1T7B0  GVGAGPGPMGLMGPR  16.77  677.34 >  915.45  858.43  630.34  460.23  -34.6  selection  (myosin & collagen)  selection
         Chick  MLE1  P02604  DQGTFEDFVEGLR  22.27  756.85 >  964.47  835.43  720.4  474.27  -27.8
             MLRS  P02609  GADPEDVIMGAFK  21.55  675.32 >  422.24  880.46  666.36  553.28  -28.5
                        SFLEELLTTQCDR  24.20  777.88 >  723.31  949.48  836.39  622.26  -26.6
             MYSS  P13538  NLTEEMAVLDETIAK  22.90  838.92 >  789.44  959.54  888.5  676.35  -25.0
                        VAEQELLDATER  13.87  687.35 >  591.27  817.44  704.36  476.25  -23.0
         Bovin  MLRS  Q0P571  EASGPINFTVFLNMFGEK  30.60  667.66 >  985.48  838.41  725.33  480.25  -21.9  800 uL  Reduction & alkylation
             CO1A1  P02453  GAPGADGPAGAPGTPGPQGIAGQR  30.79  686.34 >  883.47  729.4  601.34  -  -24.6  buffer  Tryptic digestion
         Horse  MYH1  Q8MJV0  TLALLFSGPASADAEAGGK  20.77  888.46 >  1030.48  973.46  805.37  532.27  -31.0  SPE sample clean-up
                       VVETMQTMLDAEIR  19.90  818.41 >  488.28  948.48  847.43  603.31  -38.2
                                                                 150 mg food
             MYH2  Q8MJV1  EFEIGNLQSK  14.72  582.8 >  646.35  888.48  759.44  475.29  -20.8  sample  LCMS-8050 analysis
                                               Pig: type-I collagen



            Beef cooked      Pork cooked       Horse sausage cooked







            Chicken cooked   Horse cooked      Beef-ham-chicken paste







        Analysis Of Veterinary Drugs In Food




        Start analysis quickly with Shimadzu method package containing
        all optimized parameters for analysis of veterinary drugs in               Sample
        various food using LCMS-8050.
                                                                                   Air
                                                                           Draw Sample  Draw Air  Draw Water  Inject

                                                                              Shrimp            Chicken Meat
                                                                     150                 150
                                     10 ppb STDs spiked in pork extract  100             100
                                                                     Recovery (%)  50    50
                                                                      0                  0
                                                                                  Peak elution order
                                                                              Pork               Salmon
                                                                     150                 150
                                                                     100                 100
                                                                      50                 50
                                                                      0                  0
                                                                              Fig. 5  Recoveries of Veterinary Drugs in Each of the Matrices
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