Summary:
The MIIT approved and released 1,276 industry standards including those
for some corn deep-processing products in late Dec. 2023.
On
29 Dec., 2023, the Ministry of Industry and Information Technology of
the People's Republic of China (MIIT) announced that 1,276 industry
standards were approved and released, including those for some corn
deep-processing products such as amino acids, enzyme preparations,
acidulants and yeast.
These
standards, which will take effect on 1 July, 2024, stipulate the
sensory requirements, physical and chemical specifications, safety
parameters, testing rules and requirements for labels, packaging,
transportation and storage, and specify analytical methods, chemical
names, molecular formulas, etc. for corresponding products.
For
the industry standards for amino acids and an amino acid derivative
please refer to the article "MIIT approves industry standards for three
amino acids and one derivative" in Amino Acids China E-News 202401.
Standard information about some deep-processing products is listed below.
Industry Standard for β-Glucanase Preparation (QB/T 4481–2023)
Scope
of application: This standard applies to the production, inspection and
sale of β-glucanase preparation prepared by microbial fermentation.
Product
classification: By application fields, the product can be classified
into three categories: used in the food industry, in the feed industry,
and in other industries.
Table Specifications for β-glucanase preparation
|
Parameter
|
Specification
|
|
Solid form
|
Liquid form
|
|
Sensory requirement
|
Colour
|
Consistent colour
|
Light yellow to dark brown liquid
|
|
State
|
Powder or granules; no lumps, mildew, and deliquescence
|
Liquid; a few floccules are allowed
|
|
Odour
|
Unique fermentation smell, no detectable foreign odour
|
|
Physical and chemical specification
|
Enzyme activity of β-glucanases preparation, U/g (or U/mL)
|
≥
|
20,000
|
|
Loss on drying, %
|
≤
|
10.0
|
/
|
Note:
If there is any special requirement, the enzyme activity shall be in
accordance with the specifications stipulated in the contract between
the supplier and the buyer.
Source: MIIT
Industry Standard for D-lactic Acid (QB/T 5937–2023)
Scope
of application: This standard is applicable to the production,
inspection and sale of industrial-grade D-lactic acid prepared by
microbial fermentation or biocatalysis using sugar derived from starch,
molasses, cellulose or other sources as the main raw material.
Table Specifications for D-lactic acid
|
Parameter
|
Specification
|
|
Excellent grade
|
First-grade
|
|
Sensory requirement
|
Colour
|
Colourless to brownish yellow
|
|
State
|
Transparent liquid
|
|
Odour
|
Odourless or with a slight characteristic odour
|
|
Impurity
|
No obvious impurities
|
|
Physical and chemical specification
|
Identification
|
Pass test
|
|
Lactic acid content, %
|
95.0–105.0 of the labelled value
|
|
Optical purity of D-lactic acid, ω/%
|
≥
|
99.5
|
98.0
|
|
Residue on ignition, %
|
≤
|
0.1
|
0.2
|
|
Chloride (as Cl-), %
|
≤
|
0.002
|
|
Sulphate (as SO42-), %
|
≤
|
0.005
|
|
Ferric salt (as Fe), %
|
≤
|
0.001
|
Source: MIIT
Industry Standard for Citrate Anhydrous (QB/T 5952–2023)
Scope
of application: This standard is applicable to the production,
inspection and sale of citrate anhydrous including sodium citrate
anhydrous, potassium citrate anhydrous and monosodium citrate anhydrous.
Table Specifications for citrate anhydrous
|
Parameter
|
Specification
|
|
Sodium citrate anhydrous
|
Potassium citrate anhydrous
|
Monosodium citrate anhydrous
|
|
Sensory requirement
|
Colour
|
White
|
|
State
|
Crystalline granules or powder
|
|
Odour
|
Odourless
|
|
Impurity
|
No obvious impurities
|
|
Physical and chemical specification
|
Content (dry basis), %
|
99.0–100.5
|
99.0–101.0
|
|
pH (10 % aqueous solution)
|
/
|
3.4–3.8
|
|
Transmittance, %
|
≥
|
95.0
|
|
Loss on drying, %
|
≤
|
1.0
|
0.4
|
|
Chloride (as Cl), %
|
≤
|
0.005
|
|
Sulphate (as SO4), %
|
≤
|
0.01
|
|
Ferric salt (as Fe), mg/kg
|
≤
|
5.0
|
/
|
|
Oxalate (as C2O4), %
|
≤
|
0.01
|
|
Calcium salt (as Ca), %
|
≤
|
0.02
|
/
|
|
Readily carbonisable substance
|
≤
|
1.0
|
/
|
|
Acidity and alkalinity
|
Pass test
|
/
|
Source: MIIT
Industry Standard for Yeast Protein (QB/T 5950–2023)
Scope of application: This standard applies to the production, inspection and sale of yeast protein.
Table Specifications for yeast protein
|
Parameter
|
Specification
|
|
Separated yeast protein
|
Concentrated yeast protein
|
|
Sensory requirement
|
Colour
|
Yellow to milky white
|
|
State
|
Granules or powder
|
|
Odour
|
Characteristic odour of the product, and free of foreign odour
|
|
Impurity
|
No obvious impurities
|
|
Physical and chemical specification
|
Content of protein (dry basis), g/100g
|
X≥80.0
|
70.0≤X<80.0
|
|
Water content, g/100g
|
≤
|
6.0
|
|
Total ash (dry basis), g/100g
|
≤
|
6.0
|
|
Ratio of amino-nitrogen to total nitrogen (AN/TN), %
|
≤
|
14.0
|
Source: MIIT
Industry Standard for Sodium Hyaluronate (QB/T 4576–2023)
Scope
of application: This standard applies to the production, inspection and
sale of sodium hyaluronate produced from glucose, yeast extract,
peptone, etc. by fermentation using Streptococcus equi subsp. zooepidemicus.
Sensory requirements: The product is white or white-like powder or granules, with no obvious impurities.
Table Specifications for sodium hyaluronate
|
Parameter
|
Specification
|
|
Excellent grade
|
First-grade
|
Qualified grade
|
|
Physical and chemical specification
|
Content of sodium hyaluronate (dry basis), g/100g
|
≥
|
95
|
90
|
87
|
|
Water content, g/100g
|
≤
|
10.0
|
|
Ash, g/100g
|
≤
|
13.0
|
|
pH (0.1% aqueous solution)
|
6.0–8.0
|
Source: MIIT
Source:CCM
More information can be found at CCM Corn Products China Monthly Report.
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