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GB 29959-2013: Food additive -- d, l-menthone glycerol ketal
Status: Valid
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Food additive -- d, l-menthone glycerol ketal
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Basic data
Standard ID: GB 29959-2013 (GB29959-2013)
Description (Translated English): Food additive -- d, l-menthone glycerol ketal
Sector / Industry: National Standard
Classification of Chinese Standard: C54
Classification of International Standard: 67.020
Word Count Estimation: 8,888
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: d, l- menthol glycerol ketal.
GB 29959-2013: Food additive -- d, l-menthone glycerol ketal
---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-d, l-menthone glycerol ketal
National Standards of People's Republic of China
National Food Safety Standard
Food additives d, l- menthone glycerol ketals
Issued on. 2013-11-29
2014-06-01 implementation
National Food Safety Standard
Food additives d, l- menthone glycerol ketals
1 Scope
This standard applies to the menthone glycerol for raw materials and food additives d, l- mint glycerol ketal.
2 chemical name, molecular formula, molecular mass and structural formula
2.1 Chemical Name
1,4-dioxa-spiro [4.5] decane-2-methanol
Formula 2.2
C13H24O3
2.3 formula
OO
OH
OO
OH
2.4 relative molecular mass
228.33 (according to 2007 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 Sensory requirements
Project requires test methods
The sample was placed in a colorless color colorimetric tube, were visually observed
Viscous liquid state
Aroma like mint cool flavor GB/T 14454.2
3.2 Physical and Chemical Indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
d, l- menthone glycerol ketals content (sum of isomers) /, w /% ≥ 98.0 Appendix A
Acid value (in dollars KOH)/(mg/g) ≤ 1.0 GB/T 14455.5
Refractive index (20 ℃) 1.4700 ~ 1.4780 GB/T 14454.4
The relative density (25 ℃/25 ℃) 1.025 ~ 1.033 GB/T 11540
Appendix A
d, l- measuring ketone content of menthone glycerol
A.1 instruments and equipment
A.1.1 chromatograph. According to GB/T 11538-2006 provisions in Chapter 5.
A.1.2 Column. capillary column.
A.1.3 Detector. Hydrogen flame ionization detector.
A.2 Determination
Area normalization method. According to GB/T 11538-2006 10.4 Determination.
A.3 repeatability and results are shown
According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements.
Food additives d, l- mint glycerol ketal gas chromatograph (area normalization method) See Appendix B.
Appendix B
Food additives d, l- menthone glycerol ketals gas chromatogram
(Area normalization method)
B.1 food additives d, l- menthone glycerol ketals gas chromatogram
Figure B.1.
1 - d, l- menthone glycerol ketals Isomer 1;
2 - d, l- menthone glycerol ketals Isomer 2;
3 - d, l- menthone glycerol ketals 3 isomers.
Figure B.1 food additives d, l- menthone glycerol ketals gas chromatogram
B.2 operating conditions
B.2.1 Column. capillary column, length 30 m, an inner diameter of 0.25 mm.
B.2.2 stationary phase. polyethylene glycol.
B.2.3 film thickness. 0.25 μm.
B.2.4 chromatography oven temperature. 190 ℃ constant temperature.
B.2.5 Inlet temperature. 260 ℃.
B.2.6 detector temperature. 260 ℃.
B.2.7 Detector. Hydrogen flame ionization detector.
B.2.8 carrier gas. nitrogen.
Before B.2.9 column pressure. 0.1 MPa.
B.2.10 Injection volume. 0.6 μL.
B.2.11 split ratio. 100︰1.
......
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