Page 18 - Food&Beverages-Food Development
P. 18

Additives                                                                                                                 Packing Materials


            Food additives tends to be perceived in a negative light by the   A correct understanding of food additives is indispensable in   Food containers and packing materials play a very important   must be considered comprehensively in terms of preservation,
            general consumer. In terms of modern eating habits, however,   order to use them appropriately and effectively, and Shimadzu   role in ensuring the deliciousness of processed foods and other   the prevention of damage, and ease of opening.
            additives are inextricably tied to the deliciousness of food   offers an array of instruments that offer highly accurate analysis   food products. To preserve food products, it is important to set   To address these requirements, numerous analytical instruments
            products, including their taste, flavor, color, and continued   of these additives.                                       appropriate conditions, with consideration to the characteristics   are used to objectively evaluate containers and packing
            freshness.                                                                                                                of the respective food products. In addition, packing materials   materials, depending on their objectives and applications.


            UV-VIS Spectrophotometer                                                                                                  Texture Analyzer
            UV-1900                                                                                                                                                               Comparison of the Strength of the Adhesive Parts in            Food Texture
                                                                  Analysis of Preservatives in Food Products                          EZ-SX
                                                                                                                                                                                  Packing Bags for Different Applications
                                                                  This example shows the analysis of preservatives in food products,                                              With packing materials for food products, the adhesion method used depends on
                                                                  usage standards for which are prescribed by the Japanese Food                                                   the characteristics of the food product, with consideration to preservation, the
   Food Texture
                                                                  Sanitation Act.                                                                                                 prevention of damage, and the ease of opening. The following shows the
                                                                  It is confirmed that a variety of components can be analyzed with                                               measurement results of the adhesive strength of various packing bags.
                                                                  high accuracy via easy pretreatment and measurements.                                                           Differences are seen in the packing strength and the degree of variation, depending
                                                                                                                                                                                  on the type of food product.
                                                                                                                                                                                      N40                     N15
                                                                                                                                                                                                          1-1                     1-1
                Features
            ■ Features                                                  0.7            0.5µg                                                                                           30                 1-2  12                 1-2
                                                                                                                                                                                                                                  1-3
                                                                                                                                                                                                          1-3
                                                                                                                                                                                                              9                   1-4
                                                                                                                                                                                       20
            High Performance                                            0.6            0.4µg                                                                                                                  6
                                                                                                                                                                                       10                     3
            ・Ultra-fast scan speed (29,000nm/min)                       0.5
                                                                                                                                                                                       0 0   5   10    15  20  0 0  20  40  60  80  100
            ・Low stray light (less than 0.5% at 198nm)                                 0.3µg                                                                                                               min                    min
                                                                        0.4                                                            Texture Analyzer (Strength Testing Machine)     Packing Bag for Konjac Noodles  Wheat Noodles
            ・High photometric repeatability (less than ±0.0002Abs                              Sample                                                                                  (Noodles Made from Yam Cake)
               at 0.5Abs and 1.0Abs)                                    0.3            0.2µg                                           As introduced on page 4, this instrument is for strength   N15
                                                                      Absorbance
                                                                                                                                       testing via the stretching and compression of samples.             1-1
                                                                                                                                                                                                          1-2
            Intuitive Operability                                       0.2                                                            In addition to evaluating the texture of food products,   12 9     1-3
            Easy-to-navigate color touch-screen display                 0.1            0.1µg                                           it is used to evaluate packing materials.       6
            Instrument Validation                                                                                                                                                      3
                                                                             450      500       550      600       650
            Automatic/semi-automatic validation of wavelength accuracy              Wavelength/nm                                                                                      0 0  Packing Bag for Snacks  min 30
                                                                                                                                                                                                 14
                                                                                                                                                                                                     21
                                                                                                                                                                                            7
            and wavelength reproducibility.                                                                                                                                       Konjac Noodles: The adhesive part is strong, and the bag breaks
                                                                                Sodium Nitrite in Meats                                                                                     anywhere except at the adhesive part.                Components of Deliciousness
                                                                                                                                                                                  Snacks:   There are more adhesive parts in comparison to other
                                                                                                                                                                                            samples.
                                                                                                                                                                                  Wheat Noodles:  The adhesive part is rough, and variation is observed
             UV (UV-VIS Spectrophotometer)                                                                                                                                                  depending on the sampling portion.
             This instrument is used to confirm the concentrations and molecular structure of organic compounds and inorganic ions mainly in solutions, using the
             characteristic absorption of light by specific components. This is used to quantify preservatives, vitamins, and food coloring in food products. Powdered
             and solid samples can also be measured using using a variety of accessories.
   Components of Deliciousness
                                                                                                                                      Headspace Analysis System                   Residual Solvent Analysis
                                                                                                                                      HS-20 + GCMS-QP2020/Nexis GC-2030
            High-Performance Liquid Chromatograph Mass Spectrometer                                                                                                               Quality control of residual organic solvents is required because the manufacture
            LCMS-8060                                                                                                                                                             of food packaging materials and containers involves the use of organic solvents in
                                                             Simultaneous Analysis of Sweeteners
                                                                                                                                                                                  printing inks and adhesives. This example shows analysis of residual organic
                                                             A wide range of low-calorie sweeteners are often used in food products.                                              solvents in dry snack packaging using headspace GC. Trace residual solvents were
                                                             These sweeteners present unique flavors different from sucrose, glucose,                                             detected.
                                                             and fructose. They are used together with sugars, and multiple sweeteners
                                                             are combined to regulate flavors.
                                                             This example shows the simultaneous analysis of 16 sweeteners. Good
                                                             linearity was obtained with a correlation coefficient of 0.997 or higher for
                                                             all the compounds.
                                                                                                                                       Headspace Analysis System
                       Compound Name  Polarity  Transition  Retention Time (min)  Calibration Curve Range (ng/mL)   Correlation Coefficient
                          Sucralose    +       414.00 > 199.10  6.36       0.5  -  100        0.999                                    As introduced on page 14, this system can perform a
                          Dulcin       +       181.20 > 108.10  6.70       0.05  -  10        0.999                                                                                                                                              Odors and Other Items
                          Alitame      +       332.20 > 129.00  6.92       0.5  -  100        0.999                                    high-sensitivity analysis of volatile components. It is
                        Rebaudioside A  +      984.50 > 325.10  8.21       0.5  -  100        0.999                                    used to analyze residual solvents in packaging as well as
                         Stevioside    +       822.00 > 319.30  8.23       0.5  -  100        0.999                                    odor components in food.
                      Acesulfame potassium  -  161.90 > 82.00  5.23        0.1  -  10         0.999
                          Saccharin    -       181.90 > 42.00  5.58        0.5  -  50         0.997
                         Cyclamic acid  -      178.00 > 80.00  6.08        1   -  100         0.999
                         Aspartame     -       293.40 > 261.10  6.53       5   -  100         0.999
                         Advantame     -       457.30 > 200.30  7.12       0.5  -  100        0.999
   Odors and Other Items
                        Glycyrrhizic acid  -   821.20 > 351.10  7.41       50  -  1000        0.999                                                                                          Residual organic solvents in dry snack packaging
                        Rebaudioside M  -     1289.60 > 802.90  7.66       50  -  1000        0.999
                          Neotame      -       377.30 > 200.00  7.90       1   -  100         0.999                                                                                Source: https://www.shimadzu.com/an/industry/foodbeverages/e8o1ci0000000b6d_2.htm
                        Rebaudioside C  -      949.50 > 787.20  8.46       1   -  100         0.999
                         Dulcoside A   -       787.50 > 625.20  8.50       10  -  1000        0.999
                          Isosteviol   -       317.30 > 317.30  10.46      0.5  -  1000       0.999
                    Source: Shimadzu Application News No. C133.
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