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GB 29928-2013: Food additive -- Acid-treated starch
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 29928-2013 | English | 139 |
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Food additive -- Acid-treated starch
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GB 29928-2013
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PDF similar to GB 29928-2013
Standard similar to GB 29928-2013 GB 29938 GB 29949 GB 29922 GB 29921 Basic data | Standard ID | GB 29928-2013 (GB29928-2013) | | Description (Translated English) | Food additive -- Acid-treated starch | | Sector / Industry | National Standard | | Classification of Chinese Standard | C53 | | Classification of International Standard | 67.020 | | Word Count Estimation | 6,623 | | Regulation (derived from) | China Food & Drug Administration [2013] No. 234, November, 1, 2013 | | Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China | | Summary | This standard applies to food additives: acid starch. This standard is also applicable the enzymatic treatment, acid treatment, alkali treatment and acid treatment pregelatinized starch, one or more of the processing method after processing. | GB 29928-2013: Food additive -- Acid-treated starch---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Food additive-Acid-treated starch
National Standards of People's Republic of China
National Food Safety Standard
Acid-treated starch Food Additives
Issued on. 2013-11-29
2014-06-01 implementation
National Food Safety Standard
Acid-treated starch Food Additives
1 Scope
This standard applies to edible starch or arrowroot starch produced by a starch milk as raw material was prepared by reacting with an acid of food additives
Acid-treated starch additive, and the combination of enzyme treatment, food alkali treatment, bleaching treatment and pre-gelatinized processing one or more processed Tim
Acid-treated starch additive.
2 Technical Requirements
2.1 raw materials
2.1.1 raw materials
Food starch should be consistent with national standards or industry standards-related products.
2.1.2 Accessories
2.1.2.1 should meet the national standards or industry standards or the relevant provisions of the relevant requirements of the product.
2.1.2.2 acid treatment reagent type. hydrochloric acid, phosphoric acid or sulfuric acid.
2.2 Sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 Sensory requirements
Project requires test methods
Color white, white or light yellow
Take 50 g sample in a clean white porcelain dish, under natural light, observation
Its color, state, smell the smell
Status granular, flaked or without visible impurities
Inherent odor product smell, no odor
2.3 Physical indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Loss on drying, w /%
Cereal starch ≤ 15.0
GB/T 12087 other monomers starch ≤ 18.0
Potato starch ≤ 21.0
Total arsenic (As)/(mg/kg) ≤ 0.5 GB/T 5009.11
Lead (Pb)/(mg/kg) ≤ 1.0 GB 5009.12
Sulfur dioxide/(mg/kg) ≤ 30 GB/T 22427.13
Appendix A
Testing method
A.1 Safety Tips
Reagents The standard test methods used for toxic or corrosive, be careful when operating! As should be immediately splashed on the skin
Rinsed with water, severe cases should be treated immediately.
A.2 General Provisions
Unless otherwise indicated in the analysis using only recognized as analytical reagents and GB/T 6682 stipulated three water. Test Methods
The standard titration solution, impurity measurement standard solution, preparations and products, did not indicate when the other requirements, according to GB/T 601, GB/T
602 and 603 of the regulations prepared GB/T ; the solution when the solvent is not specified, refer to the aqueous solution.
A.3 Identification Test
A.3.1 microscopy
Without pasting process to maintain acid-treated starch granule structure, can be directly observed and verified starch particle shape, size and character through a microscope.
Under polarized light microscope, it can be observed the typical birefringence.
A.3.2 iodine staining
1 g of the sample was added 20 mL of water were suspended, several drops of iodine solution, the color should range from deep blue to reddish brown.
A.3.3 copper reduction
A.3.3.1 formulated alkaline tartrate copper test solution
A.3.3.1.1 Solution A. Copper Sulfate (CuSO4 · 5H2O) 34.66 g, should be no weathering or moisture absorption phenomenon, dissolved in water volume to 500 mL.
The solution was stored in a small sealed container.
A.3.3.1.2 Solution B. take potassium sodium tartrate (KNaC4H4O6 · 4H2O) 173 g sodium hydroxide 50 g, dissolved in water volume to 500 mL.
The solution was stored in a small container and alkali corrosion.
A.3.3.1.3 solutions A and B mixed in equal volumes, to obtain an alkaline tartrate copper test solution.
A.3.3.2 analysis step
Weigh the sample 2.5 g, placed in a flask, 0.82 mol/L hydrochloric acid solution of 10 mL of water and 70 mL, mixing, boiling water bath back
Stream 3 h, cooled. Take 0.5 mL solution was cooled, added 5 mL hot alkaline copper tartrate solution, a large amount of red precipitate.
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