GB 28307-2012 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 28307-2012 | English | 140 |
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National food safety standard - Food additive - Maltitol and Maltitol Syrup
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GB 28307-2012: National food safety standard - Food additive - Maltitol and Maltitol Syrup---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/GB28307-2012
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National Food Safety Standard
Food Additive - Maltitol and Maltitol Syrup
(Including No.1 “Amendment Sheet”, September 22, 2015)
Issued on. APRIL 25, 2012
Implemented on. JUNE 25, 2012
Issued by. Ministry of Health of PRC
Table of Contents
1 Scope... 3
2 Chemical name, formula and relative molecular mass... 3
3 Product classification... 3
4 Technical requirements... 4
Appendix A... 5
National Food Safety Standard
Food Additive - Maltitol and Maltitol Syrup
1 Scope
This Standard applies to food additive - maltitol and maltitol syrup, which take
starch as raw material, are processed and manufactured by liquefaction,
saccharification, hydrogenation, refinement.
2 Chemical name, formula and relative molecular
mass
2.1 Chemical name
4-O-α-D- glucopyranosyl sorbitol.
2.2 Formula
C12H24O11.
2.3 Relative molecular mass
344.31 (in accordance with 2007 international relative atomic mass).
3 Product classification
3.1 Maltitol
3.2 Maltitol syrup
Liquid mixture composed by a large number of maltitol, a small amount of
sorbitol, oligosaccharide alcohol and polysaccharide alcohol.
4 Technical requirements
4.1 Sensory requirements. it shall comply with provisions of Table 1.
Appendix A
Inspection methods
A.1 General rules
Reagents and water used in this Standard, in the absence of other requirements
specified, all refer to analytical reagents and grade three water stipulated in
GB/T 6682-2008.Standard solution used in test, standard solution,
preparations and products used in determination of impurities, in the absence
of other requirements specified, are prepared in accordance with provisions in
GB/T 601, GB/T 602, GB/T 603.Solution in test all refers to aqueous solution
when it does not indicate which solvent shall be used for preparation.
A.2 Identification test
A.2.1 Reagents and materials
A.2.2 Apparatus
A.2.2.1 High performance liquid chromatography. equipped with refractive
index detector, or other equivalent detectors.
A.2.3 Reference chromatographic conditions
A.2.3.1 Mobile phase. GB/T 6682-2008, grade one water.
A.2.3.2 Column temperature. 80°C.
A.2.3.3 Mobile phase flow rate. about 0.5 mL/min.
A.2.3.4 Injection volume. 20 µL.
A.2.4 Analysis steps
A.2.4.1 Preparation of standard solution
Weight about 0.1 g (accurate to 0.001 g) of maltitol product. Use mobile phase
to dissolve. Move it to 10 mL flask. Add mobile phase to make constant volume
to scale. Use 0.22 µm membrane to filter the obtained solution. The filtrate is
for later use.
A.3 Determination of maltitol and sorbitol content
A.3.1 Reagents and materials
A.3.1.1 Water. GB/T 6682-2008, grade one water.
A.3.1.2 Maltitol and sorbitol standard product. purity shall be greater than
99.0%. Use each standard product to prepare 6 different concentration of
standard solution series within 0.1 mg/mL ~ 10 mg/mL.
A.3.2 Apparatus
A.3.2.1 High performance liquid chromatography. equipped with refractive
index detector, or other equivalent detectors.
A.3.2.2 Mobile phase filtration vacuum degasser and 0.22 µm membrane.
A.3.2.3 Chromatographic column. specially used for analysis of sugars or
sugar alcohols which takes Ca type strong acid cation exchange resin as filler
(column size. Φ 7.8 mm × 300 mm), or equivalent chromatographic column.
A.3.2.4 Analytical balance. accuracy is 0.1 mg.
A.3.2.5 Micro-injector. 50 µL.
A.3.3 Reference chromatographic conditions
A.3.4 Analysis steps
A.2.4.1 Preparation of sample solution
Weight about 0.1 g (in dry basis; it shall make content of various sugar alcohol
components within the scope of standard solution series, otherwise it can
appropriately increase or reduce sample weight). Weigh it accurate to 0.0001
g. Use mobile phase to dissolve. Move it to 10 mL flask. Add mobile phase to
make constant volume to scale. Use 0.22 µm membrane to filter the obtained
solution. The filtrate is for later use.
A.3.4.2 Standard curve drawing
After use maltitol standard solution, sorbitol standard solution to respectively
inject, take peak area of standard sample concentration to draw standard curve.
The linear correlation coefficient shall be greater than 0.9990.
A.4 Determination of moisture
A.4.1 Karl Fischer method (arbitration law)
Determine in accordance with Karl Fischer method of GB 5009.3.
A.4.2 Direct drying method
A.4.2.1 Apparatus.
A.4.2.1.1 Electric oven.
A.4.2.2 Analysis steps
Weigh 1 g of sample. Make it accurate to 0.0002 g. Place it in a weighing bottle
that has been dried to constant weight. Cover it. Slightly move it, so as to pave
it as a thin layer. Put the weighing bottle with sample and the removed cover
into the dryer. Solidly dry it in a 105°C±2°C electric oven for 5 h. Move it into
dryer to cool. Weigh it in 30 min.
A.5 Determination of reducing sugar
A.5.1 Apparatus
A.5.1.1 Analytical balance.
A.5.1.2 Iodine bottle.
A.5.2 Reagents and materials
A.5.2.1 Alkaline copper citrate test solution. weigh 2.5 g of copper sulfate, 5.4
g of citric acid, 1.4 g of anhydrous sodium carbonate; use water to dilute it to
100 mL (Modified by No.1 “Amendment Sheet”, September 22, 2015).
A.5.2.1 Alkaline copper citrate test solution. weigh 2.5 g of copper sulfate, 5.0
g of citric acid, 14.4 g of anhydrous sodium carbonate; use water to dilute it to
100 mL. (No.1 “Amendment Sheet”, September 22, 2015).
A.5.2.2 Acetic acid solution. 2+3.
A.5.4 Result determination
A.5.4.1 Weigh 10 g (liquid product is calculated in dry basis) of sample. 0.05
mol/L sodium thiosulfate consumed by titration is not less than 12.8 mL.
Standard of reducing sugar is ≤ 0.1%.
A.5.4.2 Weigh 5 g (liquid product is calculated in dry basis) of sample. 0.05
mol/L sodium thiosulfate consumed by titration is not less than 12.8 mL.
Standard of reducing sugar is ≤ 0.2%.
A.5.4.3 Weigh 3.3 g (liquid product is calculated in dry basis) of sample. 0.05
mol/L sodium thiosulfate consumed by titration is not less than 12.8 mL.
Standard of reducing sugar is ≤ 0.3%.
A.6 Determination of residue on ignition
A.6.1 Apparatus
High temperature furnace.
A.6.2 Reagents and materials
Sulfuric acid.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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