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SN/T 2326-2009: Determination of trans fatty acids in foodstuff and oils. FTIR method
Status: Valid
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| SN/T 2326-2009 | English | 339 |
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Determination of trans fatty acids in foodstuff and oils. FTIR method
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SN/T 2326-2009
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Basic data | Standard ID | SN/T 2326-2009 (SN/T2326-2009) | | Description (Translated English) | Determination of trans fatty acids in foodstuff and oils. FTIR method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 13,155 | | Date of Issue | 2009-07-07 | | Date of Implementation | 2010-01-16 | | Quoted Standard | GB/T 5009.6; GB/T 5009.46; GB/T 5413.3 | | Regulation (derived from) | Industry standard filing Notice 2009 No. 10 (No. 118 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the Food and trans fatty acids in edible oils Fourier transform infrared spectrometer detection method. This standard applies to palm oil, cheese, crackers and chips in the trans fatty acid content is detected. | SN/T 2326-2009: Determination of trans fatty acids in foodstuff and oils. FTIR method---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.
Determination of trans fatty acids in foodstuff and oils.FTIR method
Exit inspection and quarantine industry standard book People's Republic of China
Detection in food and oil content of trans fatty acids
Fourier Transform Infrared Spectroscopy
Posted 2009-07-07
2010-01-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Appendix A of this standard is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard by the People's Republic of China Shanghai Exit Inspection and Quarantine is responsible for drafting.
The main drafters of this standard. Ni Xin Road, Li Han, Zhou Yao, Guo Dehua, Zhu Jian.
This is the first issue of inspection and quarantine industry standards.
Detection in food and oil content of trans fatty acids
Fourier Transform Infrared Spectroscopy
1 Scope
This standard specifies the Fourier transform infrared spectrometer detected in food and edible fats trans fatty acids.
This standard applies to palm oil, cheese, crackers and chips trans fatty acid content is detected.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Determination of GB/T 5009.6 fat foods
GB/T 5009.46 Milk and dairy hygiene standard analytical methods
GB/T 5413.3 infant formula and milk powder - Determination of fat
3 Detection
3.1 Method summary
Oil samples or samples obtained by petroleum ether extract fat directly with deuterated three glycine sulfate (DTGS) detector and a level
Attenuated total reflection (HATR) Annex Fourier transform infrared spectrometer, calibration curve based on standard trans fatty acids, the sample is calculated
Trans fatty acids in the total fat content percentage.
3.2 Reagents and materials
Unless otherwise specified, all reagents were of analytical grade.
3.2.1 petroleum ether (boiling range 30 ℃ ~ 60 ℃).
3.2.2 over anhydrous sodium sulfate.
3.2.3 triolein standard. Purity ≥99%.
3.2.4 Three Antis olein standard. Purity ≥98%.
3.2.5 Standard solution. Weigh accurately three oppositions triolein Xg and triolein (0.3-X) g (accurate to 0.0001g) in 5mL
Beaker, wherein X is independently 0.0150,0.0300,0.0600,0.0900,0.1200,0.1500,0.1800, the mixed standard solution of trans
Fatty acid contents were 5.00%, 10.00%, 20.00%, 30.00%, 40.00%, 50.00%, 60.00%. Cryopreservation, valid
6 months.
3.3 instruments and equipment
3.3.1 Fourier transform infrared spectrometer. with DTGS detector and HATR accessories.
3.3.2 Analytical Balance. a sense of the amount of 0.001g and 0.0001g.
3.3.3 constant temperature water bath.
3.4 Procedure
3.4.1 Determination of non-fat fat sample
According to the different food categories, respectively, according to GB/T 5009.6, GB/T 5009.46 or GB/T 5413.3 methods of measuring their fat
Fat content.
3.4.2 Sample Preparation
3.4.2.1 Grease Samples. can be determined directly. If the oil sample has a turbid or flocculent, then it contains small amounts of moisture or impurities. can
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