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GB 29219-2012: Food additive sorbitol---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB29219-2012GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National Food Safety Standard – Food Additive - Sorbitol Issued on: DECEMBER 25, 2012 Implemented on: JANUARY 25, 2013 Issued by. Ministry of Health of PRC Table of Contents1 Scope ... 3 2 Molecular formula, structural formula and relative molecular mass ... 3 3 Technical requirements ... 3 Appendix A ... 5 National Food Safety Standard - Food Additive - Sorbitol1 ScopeThis Standard is applicable to food additive - sorbitol. It takes starch as raw material and can be obtained by hydrolyzation and refined processing of glucose under high pressure hydrogenation in the presence of a catalyst.2 Molecular formula, structural formula and relativemolecular mass 2.1 Molecular formula C6H14O6 2.2 Structural formula 2.3 Relative molecular mass 182.17 (according to international relative atomic mass in 2007)3 Technical requirements3.1 Sensory requirements. it shall comply with the provisions in Table 1. Table 1 Sensory requirements Item Requirements Inspection method Color White Place an appropriate amount of sample in a clean, dry white porcelain dish; observe its color and state under natural light. State Crystalline powder, flakes or granules, with moisture absorptionAppendix AInspection method A.1 General provisions Unless other requirements specified, reagents and water used in this Standard all refer to analytical reagents and Grade 3 water stipulated in GB/T 6682-2008. Unless other requirements specified, the standard solution, impurity standard solution, preparations and products used for test shall be prepared based on the provisions of GB/T 601, GB/T 602 and GB/T 603. The solution shall refer to aqueous solution if it is not indicated. A.2 Identification test In the test of measuring sorbitol content, the peak retention time in sample solution chromatogram shall be consistent with that in standard solution chromatogram. A.3 Determination of sorbitol (in dry basis) A.3.1 Method summary Use high performance liquid chromatography. Under the selected operating conditions, take water as mobile phase, use high-pressure infusion pump to pump mobile phase into chromatographic column which is filled with Ca type strong acid cation exchange resin filler, so as to separate each component in the sample solution. Use refractive index detector to detect. Record and process chromatographic signals by data processing system. A.3.2 Reagents and material A.3.2.1 Water. Grade 1 water that complies with GB/T 6682-2008. A.3.2.2 Sorbitol standard sample. purity ≥98%. A.3.3 Apparatus High performance liquid chromatography equipped with refractive index detector A.3.4 Reference chromatographic conditions A.3.4.1 Mobile phrase. water (A.3.2.1) ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
