This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and shelf life of tetramethylpyrazine. QB/T 2748-2005 Tetramethylpyrazine QB/T2748-2005 Standard download decompression password: www.bzxz.net

ICS 71.100.60
Classification number: Y41
Registration number: 16757-2006
Light Industry Standard of the People's Republic of China
QB/T2748—2005
Tetramethylpyrazine
Tetramethyl pyrazine
2005-09-23 Issued
National Development and Reform Commission of the People's Republic of China Implemented on 2006-05-01
QB/T27482005
This standard is consistent with the technical requirements of the four-component pyrazine (code CFA780) prepared by the Joint Food Certification and Accreditation Committee (JECFA) of the Codex Committee on Food Certification (CAC). The test method is the general test method for materials. Most of the test methods are based on the relevant standards of the period:
Appendix A of this standard is the list of effective materials
This standard is proposed by the China National Light Industry Federation. This standard will be included in the Technical Committee on Standardization of Fragrances and Cosmetics: This standard was drafted by Tengzhou Wudao Flavor & Fragrance Co., Ltd. and Shanghai Flavor & Fragrance Research Institute. The main drafters of this standard are Wang Jun, Xu Yi and Jin Gongqi Shen. This standard is released for the first time.
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1 Scope
Tetramethylpyrazine
QB/T2748--2005
This standard specifies the requirements, test methods, classification rules and marking, packaging, storage and shelf life of tetramethylpyrazine. This standard is applicable to the analysis and evaluation of the quality of tetramethylpyrazine with dibutylamine and 1,2-diaminobenzene as the main raw materials or with 25-10% methyl alcohol as the main raw materials. It is used for the analysis and evaluation of the quality of food additives. 2 Specification Non-normative documents
The clauses in the following documents become the clauses of this standard by citing the standard: they are referenced documents of the period, and any amendments or amendments made by the parties are not applicable to this standard. However, it is recommended to issue new versions of these documents according to the agreement of this standard. The product does not indicate the referenced document of the normative nature, and its latest version is applicable to the standard, Gn11539[989 General analysis of essential oil filling gasifier GB/T14454.2 Flavor aroma evaluation method
GB/T14457.3 Isosorption or melting point test method of flavor 3 Product chemical name, molecular formula, structural formula, relative molecular mass Chemical name: tetramethazine
Molecular formula, C, HN
Structural formula:
Mass: 135.20 (according to the original quantity in 1987) 4 Requirements
4.1 Color: white crystal or powder.
4.2 No, with flavor, odor and non-coffee 4.3 Distillation temperature (>85.0--90.0).
4.4 Content (g%): net 95.5 Test method
51 Color verification
The sample is clean white paper, and the glycerol test method is used for observation.5.2 Aroma evaluation
Technical GB/1454.2 provisions, when the national three management departments cannot provide standard samples, the enterprise technology, inspection front door and/or the subject customer should confirm the complete standard.
5.3 Preparation of test points
Q/T274F2005
According to the determination of GR/1J143.3
5.4 Determination of content
5. 4. 1 Double disease
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heat B/115395 standard.
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fire moistened the high chemical particle detector.
5 12 deep working conditions
spectrum: full seven program temperature from 8024, speed 15mim*1: 250
L) cutting gas
a. Gas 20ml./min~-30 mL/mil.
Damp density method
Mountain accumulation 1 chemical method: home (H/115391683 10.4 set method to determine the magnetic quantity. System: Read the certificate! Body weight effect light,
Note: called
5.4.3 Dong Jing and collection expression
According to B/T1131%!): 1.4 regulations are carried out, including requirements: Pyrite type color diagram (mountain weaving door , Huada) Record A (Data Record) 6 Inspection Rules
61 The previous basis should be the net inspection department of the cattle production stock "interest control risk, cattle production factory production certificate factory product signature and other requirements of this compilation standard, each batch of products has a quality measurement.
6.2 The receipt has the items in accordance with this product to meet the quality requirements of the standard, and the batch is received by the batch # road, and the batch is specially inspected
63: Each package: 2 stocks 100 or more samples shall be selected from 3 samples, all of which shall be written on the sample, and the sample shall be cleaned in 1 sample, with a quality standard, light depth, and a certificate. The following tasks shall be performed: 6.4 If the sample does not meet the requirements of the receiving station, the new sample will be inspected with the manufacturer: If the re-inspection results are inconsistent with the price, the new sample will be inspected with the manufacturer. If the product is not qualified, the batch of products cannot be accepted. 55 When the semi-effective Fangtai is produced, both parties can set the release head or carry out the statutory inspection. 7.1 Marking
Packing double business registration, name, production and, trademark, net change, year of quality, license number and this label are required. The product can be negotiated with the manufacturer. -2
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QB/T 2748—2005
The product should be packed in clean, non-contaminated, sealed and strong containers, or packed according to the requirements of the product. 7.3 Transportation
During transportation, it should be packed lightly, prevent the above-mentioned, should not be mixed with toxic and semi-toxic substances, should be filtered, and should comply with the regulations of relevant departments
1.4 Storage
This product should be stored in a cool, dry and cold warehouse, avoid air pollution, and sink to a large extent. 7.5 Shelf life
Under the conditions of short transportation, neat packaging and careful selection, the shelf life of this product is only one year.
QB/T2748-2005
Appendix A
(Informative Appendix)
Typical gas chromatogram of tetramethylpyrrolate
(curve plotting method)
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