Path:
Home >
GB >
Page23 > GB 1886.261-2016
Price & Delivery
US$199.00 · In stock · Download in 9 secondsGB 1886.261-2016: National Food Safety Standard -- Food Additives -- Phloretin food additives phloretin
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB 1886.261-2016 | English | 199 |
Add to Cart
|
3 days [Need to translate]
|
National Food Safety Standard -- Food Additives -- Phloretin food additives phloretin
|
Click to Preview a similar PDF
Basic data
| Standard ID | GB 1886.261-2016 (GB1886.261-2016) |
| Description (Translated English) | National Food Safety Standard -- Food Additives -- Phloretin food additives phloretin |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | X40 |
| Word Count Estimation | 10,138 |
| Date of Issue | 2016-08-31 |
| Date of Implementation | 2017-01-01 |
| Regulation (derived from) | Announcement of the State Administration of Public Health and Family Planning 2016 No.11 |
| Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration |
GB 1886.261-2016: National Food Safety Standard -- Food Additives -- Phloretin food additives phloretin
---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 safety national standard - Food additive - Phloretin)
National Standards of People's Republic of China
National Food Safety Standard
Food additives phloretin
Published 2016-08-31
2017-01-01 implementation
People's Republic of China
National Health and Family Planning Commission issued
National Food Safety Standard
Food additives phloretin
1 Scope
This standard applies to the phlorizin or trilobatin for raw materials of food additives phloretin.
2 Chemical name, molecular formula, structural formula and relative molecular mass
2.1 Chemical Name
3- (4-hydroxyphenyl) -1- (2,4,6-hydroxyphenyl) - propan-1
Formula 2.2
C15H14O5
2.3 formula
2.4 Molecular Weight
274.27 (according to 2007 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Sensory requirements shall comply with the requirements in Table 1.
Table 1 Sensory requirements
Project requires test methods
Color pearl white to pale pink or yellow
Status powder
The sample was placed on a clean white paper, were visually observed
Aroma sweet aroma 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
Phloretin content, w /% ≥ 95 Appendix A
Melting point/℃ 260 ~ 262 GB/T 14457.3
Appendix A
Determination of the content of the root mesothelin
A.1 Reagents and materials
A.1.1 Acetonitrile. chromatographically pure.
A.1.2 acid. chromatography.
A.1.3 phloretin reference substance. purity of at least 98%.
A.1.4 Water. a water GB/T 6682 provisions.
A.2 instruments and equipment
HPLC. as specified in GB/T 27579-2011 Chapter 5, equipped with an ultraviolet detector, or other equivalent detectors.
A.3 Reference chromatographic conditions
A.3.1 Column. C18 HPLC column, column length 150mm, internal diameter 4.6mm, 5 m particle size; column or other equivalent.
A.3.2 Mobile phase. a volume fraction of 40% acetonitrile and 60% aqueous formic acid (0.5% volume fraction) composition.
A.3.3 Column temperature. 30 ℃.
A.3.4 Pumps. isocratic pump.
A.3.5 flow rate. 1.0mL/min.
A.3.6 Injection volume. 10μL.
A.3.7 Detection wavelength. 285nm.
A.3.8 Running time. about 10min.
A.4 analysis step
Preparation of the reference solution A.4.1
Accurately weighed 0.01g phloretin reference substance, the nearest 0.0001g, dissolved in mobile phase, transferred to 100mL volumetric flask, add the mobile phase
Volume to 100mL, 0.45μm membrane resulting solution was filtered and the filtrate set aside.
A.4.2 Preparation of sample solution
0.01g sample was accurately weighed, to the nearest 0.0001g, dissolved in mobile phase, transferred to a 100mL volumetric flask, add the mobile phase to the volume
100mL, 0.45μm membrane resulting solution was filtered and the filtrate set aside.
A.4.3 Determination
In reference A.3 chromatographic conditions, respectively, the reference solution and the sample solution is measured, the peak area recorded.
A.5 calculation results
Mass fraction content mesothelin root w1, calculated according to formula (A.1).
w1 =
A1 × m2 × w2
A2 × m1 ×
100% (A.1)
Where.
Peak area of the main peak in the chromatogram of the sample solution A1 ---;
m2 --- reference mass, in grams (g);
--- reference w2 of mesothelin root mass fraction content,%;
Peak area of the main peak in the chromatogram of the reference solution A2 ---;
M1 --- sample mass, in grams (g).
...
