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GB 17403-2016 English PDF

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GB 17403-2016: Hygienic specification of chocolate factory
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GB 17403: Evolution and historical versions

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GB 17403-2016English219 Add to Cart 3 days [Need to translate] Hygienic specification of chocolate factory Valid GB 17403-2016
GB 17403-1998English70 Add to Cart 0--9 seconds. Auto-delivery Hygienic specification of chocolate factory Obsolete GB 17403-1998

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Basic data

Standard ID GB 17403-2016 (GB17403-2016)
Description (Translated English) Hygienic specification of chocolate factory
Sector / Industry National Standard
Classification of Chinese Standard C53
Word Count Estimation 11,145
Date of Issue 2016-12-23
Date of Implementation 2017-06-23
Older Standard (superseded by this standard) GB 17403-1998
Regulation (derived from) National Health and Family Planning Commission Notice No.17 of 2016
Issuing agency(ies) National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration

GB 17403-2016: Hygienic specification of chocolate factory

---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.
Hygienic specification of chocolate factory National Standards of People's Republic of China GB 1886.127-2016 National Food Safety Standard Food Additives Hawthorn nuclear smoke flavorings No. Ⅰ, Ⅱ number Issued on. 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission released GB 1886.127-2016 National Food Safety Standard Food Additives Hawthorn nuclear smoke flavorings No. Ⅰ, Ⅱ number

1 Scope

This standard applies to the nuclear hawthorn as raw material, carbonization (anaerobic pyrolysis), condensation, separation at 800 ℃ the following methods to obtain water-soluble Food Additives Hawthorn nuclear smoke flavorings No. Ⅰ, Ⅱ number. This standard does not apply to water-immiscible oil and products made therefrom and from other materials or other methods of the product obtained, Acetic acid, such as wood.

2 Terms and definitions

2.1 Hawthorn nuclear Hawthorn nuclear washed, dried, having a unique aroma and color of the particulates. Other wood materials should not be added or removed the original flavor ingredient. 2.2 Hawthorn nuclear smoke flavorings Nuclear hawthorn as raw material, carbonization at 800 ℃ or less generate fumes, the fumes condensate, the condensate is separated and refined. It is made of many A complex mixture of ingredients consisting of fumigation. 2.3 Hawthorn nuclear smoke flavorings No. Ⅰ By the fumes condensate at atmospheric pressure distillation, collecting 85 ℃ ~ 110 ℃, pale yellow to orange, with a smoky flavor distillate, called Hawthorn nuclear smoke flavorings Ⅰ number. 2.4 Hawthorn nuclear smoke flavorings. Ⅱ After phase separation from the fumes condensate water by the water phase and the oil phase resulting partially purified, water-soluble, reddish brown to tan, have smoked Scented liquid, called hawthorn nuclear smoke flavorings. Ⅱ.

3 Technical requirements

3.1 Sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 Sensory requirements project Claim No. No. Ⅰ Ⅱ Testing method Light yellow to orange-brown color, red or brown status During a small amount of tar-like liquid flows easily, store Precipitation Flowable liquid The sample is placed in a clean white paper On, were visually observed Natural aroma smoke aroma, rich natural sense of both fresh savory smoked flavor, smoked meat like aroma GB/T 14454.2 GB 1886.127-2016 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 project index No. No. Ⅰ Ⅱ Testing method The relative density (25 ℃/25 ℃) 1.010 ~ 1.025 1.020 ~ 1.060 GB/T 11540 Acid content (expressed in acetic acid) /% 8.0 ~ 14.0 10.0 ~ 18.0 GB/T 14455.5 Phenol content (expressed in 2,6-dimethoxy phenol)/(mg/mL) 2.5 ~ 10.0 6.0 ~ 18.0 Appendix A A.2 Carbonyl compound content (expressed in heptanal)/(g/100mL) 3.0 ~ 11.0 6.0 ~ 17.0 Appendix A A.3 Heavy metals (Pb)/(mg/kg) ≤ 40 GB 5009.74 Total arsenic (As)/(mg/kg) ≤ 3.0 GB 5009.11 or GB 5009.76 GB 1886.127-2016

Appendix A

Testing method A.1 General Provisions This standard reagents and water, did not indicate when the other requirements, refer to the three water analytical reagent and GB/T 6682 regulations. test Test used in the standard solution, impurity standard solution, preparations and products, did not indicate when the other requirements, according to GB/T 601, GB/T 602 and GB/T 603 provisions prepared. Solution was used in the experiment did not specify what is formulated with solvent, it refers to an aqueous solution. A.2 Determination of phenol content (expressed as 2,6-dimethoxy phenol) of Gibbs correction method --- A.2.1 Method summary Liquid Smoke phenolic compounds with chromogenic reagent 2,6-dihydro-quinone imine chloro (2,6-DcGc) in alkaline borate - Anti-potassium chloride buffer solution It should form a blue indophenol. After the formation of color, absorbance was measured at 560nm A place from guaiacol (or other known phenol) absorbance standard Quantitative curve. Law can not distinguish between a variety of phenols, can only provide guaiacol represents the total phenolic content. A.2.2 Reagents and materials A.2.2.1 boric acid - potassium chloride buffer solution. pH = 8.3.0.4mol/L boric acid solution 125mL; 0.4mol/L KCl 125mL; 0.2mol/L sodium hydroxide solution 40mL. The above three solutions were mixed, and diluted with water to 1000mL. A.2.2.2 NaOH solution. 6g/L. Reagent solution A.2.2.3. said 0.25g 2,6-dihydro-quinone imine chlorine in 30mL of anhydrous ethanol, cooling preservation. A.2.2.4 guaiacol standard solution. water preparation 1μg/mL ~ 20μg/mL standard solution for absorbance A draw and guaiacol The concentration of B (μg/mL) standard curve. A.2.2.5 Liquid Smoke sample solution. Take 0.5mL Hawthorn nuclear smoke flavorings, diluted with water to 1000mL (dilution visual concentration samples Degree level may be, so that the absorbance of the sample diluent A is between 0.2 to 0.7). A.2.3 Instruments and Equipment Spectrophotometer. A.2.4 Analysis step A.2.4.1 order specified the following reagents were mixed together. a) boric acid - potassium chloride buffer solution 5mL; b) Liquid Smoke sample solution 5mL, or guaiacol standard solution 5mL, or to do with the control of water 5mL; c) pH is adjusted with NaOH solution to 1mL 9.8. A.2.4.2 The solution was diluted with water 1mL reagent to 15mL. Take 1mL dilution immediately added to the mixture, mixing at room temperature After the formation of the color combination was placed 25min, then 1cm absorbance was measured at a wavelength of 560nm at the cuvette A. A.2.4.3 absorbance A draw for guaiacol concentration B (μg/mL) of the standard curve (straight line). A.2.5 Calculation Results The phenol content in the sample ρ1 (represented by 2,6-dimethoxy phenol), in milligrams per milliliter (mg/mL) meter, according to formula (A.1) Calculated. GB 1886.127-2016 ρ1 = B1 × D × Mr1 1000 × Mr2 (A.1) Where. B1 --- read from the standard curve obtained absorbance A corresponding value (in guaiacol represented), in milligrams per milliliter (mg/mL); --- The D sample dilution; Mr1 --- 2,6- dimethoxyphenyl relative molecular mass of phenol; 1000 --- conversion factor; Mr2 --- guaiacol relative molecular mass. A.3 Determination of carbonyl compounds content (heptyl aldehyde shown) A.3.1 First Law. hydroxylamine hydrochloride A.3.1.1 Reagents and materials A.3.1.1.1 potassium hydroxide solution. 0.1mol/L. A.3.1.1.2 hydroxylamine hydrochloride solution. 0.5mol/L solution (stored for no more than two weeks). Said 40g hydroxylamine hydrochloride, dissolved water 200mL And then diluted to 1000mL, adjusted (pH close to the sample count detecting pH) pH 3 with hydrochloric acid or potassium hydroxide solution. A.3.1.2 instruments and equipment A.3.1.2.1 pH meter. A.3.1.2.2 magnetic stirrer. A.3.1.3 analysis step A.3.1.3.1 blank test. Pipette 25mL hydroxylamine hydrochloride solution to grinding mouth Erlenmeyer flask, covered with cork, standing 2h. With 100mL Distilled water and diluted with 0.1mol/L potassium hydroxide solution was titrated to the end point, pH = 4.0. A.3.1.3.2 Sample Titration. precise lessons 2mL sample in grinding mouth Erlenmeyer flask repeat A.3.1.3.1 operation. A.3.1.4 Calculation Results Carbonyl compound content ρ2 (expressed in heptanal) in grams per one hundred milliliters (g/100mL) dollars, according to equation (A.2) Calculated. ρ2 = M × c × (V-V0) (A.2) Where. M --- relative molecular mass heptyl aldehyde, M = 114.18g/mol; C --- potassium hydroxide solution concentration units per liter (mol/L); The V --- volume of potassium hydroxide solution consumed in the titration sample in milliliters (mL of); V0 --- potassium hydroxide solution consumed in blank titration volume in milliliters (mL of); 20 --- conversion factor. The relative error Parallel test results is not more than 1%. A.3.2 Method II. Fixed blue spectrum - Clark Law (Modifiedlappan-ClarkMethod) (Arbitration Act) A.3.2.1 Method summary The total carbonyl compound smoky flavor compound with 2,4-dinitrophenylhydrazine (2,4-Dinitrophenylhydrazine, abbreviated 2,4-DNPH) In an acidic medium at 60 ℃ converted into red hydrazone derivative, the absorbance was measured at 430nm A, thereby calculating the content of the carbonyl compound GB 1886.127-2016 (Expressed as heptyl aldehyde or other known aldehyde). A.3.2.2 Reagents and materials Methanol A.3.2.2.1 contain carbonyl compounds. in methanol was added 1% of 2,4-DNPH, a few drops of hydrochloric acid was refluxed for 3h after distillation. A.3.2.2.2 2,4-DNPH saturated solution. methanol solution not containing 2,4-DNPH carbonyl compound, and diluted so that content of 0.05%, Shake 1h or 24h advance preparation. Should not dissolve the 2,4-DNPH precipitated, after filtration use, preservation period of one week. A.3.2.2.3 potassium hydroxide solution. 20mL of water was added 10g of potassium hydroxide, with methanol containing no carbonyl compound diluted to 100mL. A.3.2.2.4 2- butanone standard solution. methanol prepared 10mg/100mL2- standard butanone solution containing no carbonyl compounds, for drawing suction Photometric A-2- butanone concentration (mg/100mL) with a standard curve. A.3.2.2.5 0.05% sample solution. Take 1mL sample solution was diluted with water to 200mL. Take 1mL diluent, then contain a carbonyl group Diluted to 10 mL methanol compound (total dilution ratio 1.2000). A.3.2.3 instruments and equipment Spectrophotometer. A.3.2.4 analysis step A.3.2.4.1 to three cylinders each added 1mL2,4-DNPH, then added the first cylinder in the sample solution 1mL, second amount Methyl ethyl ketone was added 1mL2- cylinder standard solution, a third cylinder is added 1mL of methanol without the carbonyl compound used as control. A.3.2.4.2 accurately to all measuring cylinder was added 0.05mL of hydrochloric acid and mixed thoroughly, placed in a water bath for 50 ℃ 30min. A.3.2.4.3 After rapid cooling, each measuring cylinder was added 5mL potassium hydroxide solution. Each dilution liquid in the graduated cylinder A.3.2.4.4 carbonyl compound containing no methanol mixture to 25mL. A.3.2.4.5 15min, the absorbance at 480nm under A control group of methanol should be "0", the measurement sample or standard solution of 2-butanone Absorbance A. A.3.2.4.6 absorbance as A-2- butanone concentration (mg/100mL) standard curve. A.3.2.5 Calculation Results Carbonyl compound content ρ3 (expressed in heptanal) in grams per one hundred milliliters (g/100mL) dollars, according to equation (A.3) Calculated. ρ3 = B2 × V × Mr1 1000 × Mr2 (A.3) Where. B2 --- A sample from the absorbance of the standard curve read (expressed as 2-butanone) milligrams per one hundred milliliters (mg/100mL); --- The V sample dilution; Mr1 --- relative molecular mass heptyl aldehyde; 1000 --- conversion factor; Mr2 --- 2- butanone relative molecular mass.

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