GB 1886.387-2025 English PDF

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GB 1886.387-2025: National food safety standard - Food additive - Acorn shell btown
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 1886.387-2025	99	Add to Cart	3 days	National food safety standard - Food additive - Acorn shell btown	Valid

Basic data

Standard ID: GB 1886.387-2025 (GB1886.387-2025)
Description (Translated English): National food safety standard - Food additive - Acorn shell btown
Sector / Industry: National Standard
Classification of Chinese Standard: X40
Word Count Estimation: 5,599
Date of Issue: 2025-09-02
Issuing agency(ies): National Health Commission; State Administration for Market Regulation

GB 1886.387-2025: National food safety standard - Food additive - Acorn shell btown

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB1886.387-2025
National Standards of the People's Republic of China National Food Safety Standards Food additive acorn shell palm Published on 2025-09-02 Implemented on 2026-03-02 National Health Commission of the People's Republic of China State Administration for Market Regulation issued National Food Safety Standards Food additive acorn shell palm 1.Scope This standard applies to acorn food additives made from acorn shells through processes such as extraction, separation, concentration, and drying using pure water or alkaline water. Shell palm.

2 Technical Requirements

2.1 Sensory Requirements Sensory requirements shall comply with the provisions of Table 1. Table 1 Sensory Requirements Project Requirements Inspection Methods Color. brown to dark brown State of powder It has the characteristic aroma of acorn shells and no off-odors. Take an appropriate amount of sample, place it in a clean, dry white porcelain dish, and observe it under natural light. Its color and condition, and its smell 2.2 Physicochemical Indicators The physicochemical properties should meet the requirements of Table 2. Table 2 Physicochemical Indicators Project indicator testing methods Color value E1 m (500nm) ≥ 10 (See Appendix A, A.3) Loss on drying, w/% ≤ 10.0 GB 5009.3 Direct drying method Ash content, w/% ≤ 15.0 GB 5009.4 pH 7.0~9.0 (See Appendix A, section A.4) Lead (Pb)/(mg/kg) ≤ 3.0 GB 5009.75 or GB 5009.12 Arsenic (As)/(mg/kg) ≤ 2.0 GB 5009.76 or GB 5009.11 Note. Commercially available acorn palm products should use acorn palm that conforms to this standard as raw material, and may add food ingredients that conform to relevant standards and/or regulations. And/or food additives that meet national food safety standards, such as sodium octenyl succinate starch, mono- and diglycerides of fatty acids, polyglycerides of fatty acids, and sucrose. Sugar fatty acid esters, polyglycerol ricinoleate (PGPR), phospholipids, Tween derivatives, Span derivatives, glycerol, tea polyphenols, tea polyphenol palmitate, ascorbic acid, anti- Sodium ascorbate, calcium ascorbate, ascorbyl palmitate, rosemary extract, vitamin E, D-isoascorbic acid and its sodium salt, and acidity regulators. The color value index of the agent shall meet the claimed value, and the form may be powder, liquid or paste. Other indicators shall meet the requirements of this standard.

Appendix A

Test methods A.1 General Provisions Unless otherwise specified, the reagents and water used in this standard refer to analytical grade reagents and Grade III water as specified in GB/T 6682.During the test... Unless otherwise specified, all standard solutions, impurity determination standard solutions, preparations, and products used shall comply with GB/T 601 and GB/T 602. The solutions used in the tests shall be prepared in accordance with the provisions of GB/T 603.Unless otherwise specified, all solutions used in the tests shall be aqueous solutions. A.2 Identification Test A.2.1 Solubility It is readily soluble in water or ethanol, but insoluble in nonpolar solvents. A.2.2 Color A.2.2.1 Reagents and Solutions A.2.2.1.1 6mol/L sodium hydroxide solution. Weigh 240g of sodium hydroxide, dissolve it in water, dilute and bring the volume to 1000mL. A.2.2.1.2 6mol/L hydrochloric acid solution. Measure 500mL of concentrated hydrochloric acid and dilute it with 500mL of water. A.2.2.2 Analysis Steps Weigh approximately 0.1 g of the sample and add it to 100 mL of 6 mol/L sodium hydroxide solution; the solution turns dark brown. Weigh approximately 0.1 g of the sample and add 100 mL of 6 mol/L hydrochloric acid solution; the solution turns yellowish-brown. A.2.3 Maximum absorption peak Take the sample solution from A.3.2 color value determination and detect it with a UV spectrophotometer. The maximum absorbance is observed in the wavelength range of 275 nm ± 5 nm. Peak closing. A.3 Determination of color value E1 m (500nm) A.3.1 Instruments and Equipment Ultraviolet spectrophotometer. A.3.2 Analysis Steps Weigh 0.05 g to 0.10 g of the sample, accurate to 0.0001 g, dissolve in water and bring the volume to 100 mL, then shake well. Pipette through the well-mixed sample... Take 5 mL of the above solution under controlled conditions, and then dilute to 50 mL to obtain the sample solution. Place this solution in a 1 cm cuvette, using water as a blank. For control, the absorbance was measured at 500 nm using a UV spectrophotometer. The absorbance should be controlled between 0.3 and 0.7; otherwise, the test result should be adjusted. The concentration of the sample solution was checked, and the absorbance was measured again. A.3.3 Result Calculation The color value E1 m (500nm) is calculated according to formula (A.1). E1 m(500nm)= A×f m × (A.1) In the formula. A --- Absorbance value of the sample solution; f --- Dilution factor; m --- Mass of the sample, in grams (g); 100 --- Concentration conversion factor. The experimental results are based on the arithmetic mean of parallel measurements (rounded to one decimal place). Two independent measurements obtained under repeatability conditions are considered... The absolute difference of the results shall not exceed 2.0% of the arithmetic mean. A.4 pH Measurement A.4.1 Instruments and Equipment pH meter. A.4.2 Analysis Steps Weigh 0.10 g of the sample, dissolve it in freshly boiled and cooled water (to remove carbon dioxide) with a pH of 5.0–7.0, and transfer it to a 100 mL volume. Volumetric flask, bring to volume, and measure the pH of the solution using a pH meter. The experimental results are based on the arithmetic mean of parallel measurements (rounded to two decimal places). Two independent measurements obtained under repeatability conditions are considered... The absolute difference of the results is no greater than 0.1. ......

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