GB 1886.179-2016 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 1886.179-2016: National Food Safety Standard -- Food Additives -- Stearoyl lactylate Status: Valid
Basic dataStandard ID: GB 1886.179-2016 (GB1886.179-2016)Description (Translated English): National Food Safety Standard -- Food Additives -- Stearoyl lactylate Sector / Industry: National Standard Classification of Chinese Standard: X40 Word Count Estimation: 10,154 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 1886.179-2016: National Food Safety Standard -- Food Additives -- Stearoyl lactylate---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 - Calcium stearyl lactate) National Standards of People's Republic of China National Food Safety Standard Stearoyl lactate food additives Published 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission issued National Food Safety Standard Stearoyl lactate food additives 1 ScopeThis standard applies to stearic acid and lactic acid as a raw material, by esterification, and the resulting food additive stearoyl lactate.2 Technical Requirements2.1 Sensory requirements Sensory requirements shall comply with the requirements in Table 1. Table 1 Sensory requirements Project requires test methods Color White to light yellow Status powder Odor special odor Proper amount of sample is placed in a clean, dry porcelain dish, which was observed under natural light color Chak and status, and to smell the scent 2.2 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 Calcium content, w /% 1.0 ~ 5.2 GB/T 5009.92 atomic absorption spectrophotometry Total lactic acid, w /% 15 ~ 40 in Appendix A A.3 Acid number (as KOH)/(mg/g) 50 ~ 130 GB/T 5530 hot ethanol assay Ester value (as KOH)/(mg/g) 125 ~ 190 Appendix A A.4 Lead (Pb)/(mg/kg) ≤ 2.0 GB 5009.75 or GB 5009.12 Note. The calcium stearoyl lactylate commercially available product should comply with the standard stearoyl lactate as raw material, may be added to meet the requirements of Food Additive Specifications Antioxidants, acidity regulator and emulsifier and propylene glycol as a carrier of an antioxidant.Appendix ATesting method A.1 General Provisions At time of the reagents in water and does not indicate other requirements, refer to three analytical reagent water and GB/T 6682 provisions. Test When the standard solution, the standard solution, the determination of impurities, formulations and articles not indicate other requirements, are by GB/T 601, GB/T 602, GB/T 603 Preparation predetermined. The test does not indicate when the solution which is formulated with a solvent, refer to the aqueous solution. A.2 Identification Test A.2.1 calcium test Sample taken 1g, add water and 25mL 5mL hydrochloric acid, the fatty acid is heated to release the oily layer floating liquid surface. The aqueous layer was added ammonium oxalate Solution, i.e., a white precipitate. This precipitate insoluble in acid, but was dissolved in hydrochloric acid. Platinum wire dipped samples after wetting hydrochloride, in the flame Red. A.2.2 freezing point test Sample taken 25g, heated water 200mL, plus 0.05mol/L sulfuric acid solution 60mL, heated while stirring to form a fatty acid and the precipitated Transparent clear liquid. The aqueous layer was drawn out, thoroughly washed in boiling water was added, after standing layers were separated and the aqueous layer was aspirated, washed free of sulfate (plus 0.1% methyl Orange indicator was not red), collected in a small beaker, and the aqueous layer was warmed to completely separate the fatty acid on a steam bath, and clear and transparent. cool down, The aqueous layer was discarded, the melted fatty acid was filtered and dried to a beaker, dried 20min at 105 ℃. The solidification point should not be purified fatty acids Below 54 ℃. Freezing point measured as SN/T 0801.17 predetermined. Determination of total acid A.3 A.3.1 Reagents and materials A.3.1.1 lithium lactate. A.3.1.2 petroleum ether. A.3.1.3 sulfuric acid. Sulfuric acid solution A.3.1.4. 12. Copper sulfate solution A.3.1.5. 20g/L. A.3.1.6 phenyl phenol solution of. taking the said heating when co-phenylphenol dissolved in 1.5g 100mL0.125mol/L sodium hydroxide solution (prepared Solution, a clear solution after dissolution), stored in a brown bottle, stored 4 ℃. Potassium hydroxide ethanol solution A.3.1.7. 11.2g of potassium hydroxide was dissolved in 250mL of ethanol, 25mL of water and then diluted. A.3.2 Instruments and Equipment Spectrophotometer. A.3.3 Analysis step Preparation of the sample stock solution A.3.3.1 Weigh about 0.2g sample (accurate to 0.0001g), placed in 125mL Erlenmeyer flask, adding 0.5mol/L potassium hydroxide ethanol solution 10mL and water 10mL, fitted with an air condenser, was slowly refluxed for 45 min, washed with about 40mL of water condenser and vial rim, on a steam bath Ethanol was heated to no odor, 6mL solution of sulfuric acid, a fatty acid was heated to melt, then cooled to about 60 ℃, 25mL of petroleum ether was added slowly Transferred to a separatory funnel immediately after mixture swirled, and the aqueous layer was collected in a 100mL flask. Petroleum ether layer was washed twice with water, each time 20mL, lotion into the volumetric flask. It was diluted with water to 100mL and mixed. A.3.3.2 Preparation of sample solution Take 1.0mL sample stock solution, put into 100mL volumetric flask, diluted to volume with water. Preparation of standard stock solution A.3.3.3 Weigh 1.067g lithium lactate, dissolved water volume to 1000mL, weighed 10.0 mL, transferred to 100mL volumetric flask, and then washed with water And diluted to volume. Preparation of standard solution A.3.3.4 Pipette standard stock solution 1.0mL, 2.0mL, 4.0mL, 6.0mL and 8.0 mL of, each placed in 100mL volumetric flask, washed with water To volume and mixed. The lactic acid content of the standard solution respectively per milliliter 1μg, 2μg, 4μg, 6μg and 8μg. A.3.4 Determination Pipette 1.0mL sample solution and the standard solution series, were placed in 6 test tubes. Another 1.0mL water were placed in a test tube for As the control. Each tube operation performed as follows. One drop of a copper sulfate solution, 9.0mL of sulfuric acid added rapidly, slowly rotating, release tube Plug, was heated at 90 ℃ water bath after 5min immediately cooled in an ice bath to less 5min 20 ℃, add 3 drops of a solution of phenylphenol, immediately Shaken and heated at 30 ℃ water bath 30min, shaken twice during this time to allow the agent is dispersed. The test tube was placed in a water bath at 90 deg.] C Dimension Holding 90s, placed in ice water immediately after taking out rapidly cooled to room temperature. 1cm absorption cell filled in with a suitable spectrophotometer at 570nm Absorbance was measured at the standard curve. Can be obtained against a standard curve of the total mass of lactic acid ([mu] g) in the sample solution. A.3.5 calculation results Mass fraction of the total lactic acid w1, calculated according to formula (A.1). w1 = m0 1000 × m × 100% (A.1) Where. --- Total mass M0 acid (check standard curve), micrograms ([mu] g) of the sample solution; 1000 --- conversion factor; --- m sample mass, in milligrams (mg). The test result to the arithmetic mean of replicates results. Obtained in two independent determination results under repeatability conditions of absolute difference Value is not greater than 0.5%. A.4 ester value measured (as KOH) in A.4.1 Reagents and materials Sulfuric acid standard titration solution A.4.1.1. c 12H2SO4 ÷ = 0.1mol/L. Potassium hydroxide ethanol solution A.4.1.2. 11.2g of potassium hydroxide was dissolved in 250mL of ethanol, 25mL of water and then diluted. A.4.1.3 phenolphthalein indicator. 10g/L. A.4.2 Analysis step Preparation of sample solution A.4.2.1 Determination of acid value and was retained. A.4.2.2 Determination After the sample was taken, was added 10mL of potassium hydroxide ethanol solution, was added 5 drops of phenolphthalein indicator, fitted with a condenser, refluxed for 2h, cooled Add 5 drops of phenolphthalein indicator, titrate the excess sulfuric acid solution was titrated with standard alkali. At the same time a blank with 10.0mL ethanol solution of potassium hydroxide test. A.4.3 calculation results Ester value (as KOH) w2, is calculated according to equation (A.2). w2 = c × (V0-V1) × M 1000 × m (A.2) Where. The actual concentration of the standard titration solution C --- sulfuric acid used in the titration, expressed in moles per liter (mol/L); --- V0 standard sulfuric acid titration blank solution was titrated solution consumed volume in milliliters (mL); Vl --- volume of the sample solution was titrated standard titration solution of sulfuric acid consumption in milliliters (mL); --- molar mass M potassium hydroxide, in units of grams per mole (g/mol) [M (KOH) = 56.1]; 1000 --- volume conversion factor; --- m sample mass, in grams (g). The test result to the arithmetic mean of replicates results. Obtained in two independent determination results under repeatability conditions of absolute difference Value is not more than 2mg/g. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 1886.179-2016_English be delivered?Answer: Upon your order, we will start to translate GB 1886.179-2016_English as soon as possible, and keep you informed of the progress. 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