GB 28358-2012 English PDF

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GB 28358-2012: Food additives -- Butyrylcholinesterase butyl lactate
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 28358-2012	169	Add to Cart	3 days	Food additives -- Butyrylcholinesterase butyl lactate	Valid

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Basic data

Standard ID: GB 28358-2012 (GB28358-2012)
Description (Translated English): Food additives -- Butyrylcholinesterase butyl lactate
Sector / Industry: National Standard
Classification of Chinese Standard: C54;X40
Classification of International Standard: 67.220.20
Word Count Estimation: 7,794
Regulation (derived from): Ministry of Health Bulletin No. 7 of 2012
Issuing agency(ies): Ministry of Health of the People's Republic of China
Summary: This Chinese standard applies to butyl lactate and butyric anhydride for raw materials for food additives butyrylcholinesterase butyl lactate.

GB 28358-2012: Food additives -- Butyrylcholinesterase butyl lactate

---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 additives.Butyrylcholinesterase butyl lactate National Standards of People's Republic of China National standards for food safety Butteryl butyrate 2012-04-25 release 2012-06-25 Implementation Issued by the Ministry of Health of the People's Republic of China National standards for food safety Butteryl butyrate

1 Scope

This standard applies to butyl lactate and butyric anhydride as raw materials prepared by the food additive butyl butyrate. 2 chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical name Butyl butyryloxypropionate 2.2 Molecular formula C11H20O4 2.3 Structural formula 2.4 Relative molecular mass 216.28 (according to.2007 International Relative Atomic Quality)

3 technical requirements

3.1 sensory requirements. should be consistent with the provisions of Table 1. Table 1 sensory requirements The project requires a test method Color colorless to pale yellow State liquid Place the sample in a colorimetric tube with visual inspection Observation of law Aroma sweet - acid, butter (cream) aroma GB/T 14454.2 3.2 Physical and chemical indicators. should be consistent with the provisions of Table 2. Table 2 Physical and chemical indicators Item Index Test Method Butyral lactate content, w /% ≥ 95.0 Appendix A Acid value (in KOH)/(mg/g) ≤ 1.0 GB/T 14455.5 Refractive index (20 ° C) 1.417 ~ 1.427 GB/T 14454.4 Relative density (25 ℃/25 ℃) 0.966 ~ 0.978 GB/T 11540

Appendix A

Determination of butyl butyryl lactate content A.1 Instruments and equipment A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions. A.1.2 Column. Capillary column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination method Area normalization method. according to GB/T 11538-2006 10.4 determination of content. A.3 repeatability and result representation According to GB/T 11538-2006 11.4 implementation of the provisions. Food Additive Butyl Butyrylate Typical Gas Chromatography (Area Normalization) See Appendix B.

Appendix B

Food Additives Butyl Butyrate Butyl Esters Typical Gas Chromatography (Area normalization method) B.1 Food additive Butyryl lactate butyl ester Typical gas chromatogram Food additives Butyl butyrate butyl ester Typical gas chromatograms are shown in Figure B.1. Figure B.1 Typical additives for food additives butyryl lactate B.2 Operating conditions B.2.1 Column. capillary column, length 30m, inner diameter 0.32mm. B.2.2 Stationary phase. (5% phenyl) methylpolysiloxane. B.2.3 Film thickness. 0.25 μm. B.2.4 Chromatographic furnace temperature. 180 ℃ constant temperature. B.2.5 Inlet temperature. 250 ° C. B.2.6 Detector temperature. 250 ° C. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 Carrier gas flow rate. about 30 mL/min. B.2.10 Injection volume. 0.2 μL. B.2.11 Split ratio. 1/75. ......

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