GB/T 22248-2025 English PDFUS$199.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 22248-2025: Determination of glycyrrhizic acid in health foods Status: Valid GB/T 22248: Historical versions
Basic dataStandard ID: GB/T 22248-2025 (GB/T22248-2025)Description (Translated English): Determination of glycyrrhizic acid in health foods Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: X83 Classification of International Standard: 67.050 Word Count Estimation: 10,161 Date of Issue: 2025-03-28 Date of Implementation: 10/1/2025 Older Standard (superseded by this standard): GB/T 22248-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 22248-2025: Determination of glycyrrhizic acid in health foods---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.ICS 67.050 CCSX83 National Standard of the People's Republic of China Replace GB/T 22248-2008 Determination of Glycyrrhizic Acid in Health Food Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document specifies the technical requirements for food quality. For food safety requirements, please refer to relevant laws, regulations, policies and food safety standards. document. This document replaces GB/T 22248-2008 "Determination of glycyrrhizic acid in health foods". Compared with GB/T 22248-2008, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2008 edition); b) The methods of sample preparation, extraction and purification have been changed (see 7.1 to 7.3, 5.1 of the.2008 edition); c) The chromatographic reference conditions have been changed (see 7.4, 5.3 of the.2008 edition); d) The formula and units for result calculation have been changed (see Chapter 8, Chapter 6 of the.2008 edition); e) The detection limit and quantification limit of the method have been changed (see Chapter 10, Chapter 1 of the.2008 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying these patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Special Foods (SAC/TC466). This document was drafted by. Beijing Center for Disease Control and Prevention, China Light Industry Technology Innovation Center Co., Ltd., China Inspection and Quarantine (Shanghai) Testing Technology Co., Ltd., China Food Fermentation Industry Research Institute Co., Ltd., Nanjing Food and Drug Supervision and Inspection Institute, Perfect (Guangdong) Daily Necessities Co., Ltd. Ltd., Zhongyuan Food Laboratory, China Light Industry Inspection and Certification Co., Ltd., Zhejiang Provincial Institute of Food and Drug Inspection, Shenyang Pharmaceutical University, Zhejiang University of Technology School, Guangxi-ASEAN Food Inspection and Testing Center. The main drafters of this document are. Guo Qiaozhen, Li Xiaomin, Sun Jie, Zhong Qiding, Zong Lingli, Meng Juan, Chang Qiaoying, Wu Zhuying, Liu Ming, Liang Jingjing, Song Shaojiang, Zhou Xuxia, Chen Xiaocong, Chen Nannan, Luo Yanjuan, Guo Xinguang, Wu Yifan, Liu Yang, Zhang Jing, Ke Runhui, Yan Nan, Chen Bilian, Wang Haibo, Gu Changyu. The previous versions of this document and the documents it replaces are as follows. ---First published in.2008 as GB/T 22248-2008; ---This is the first revision. Determination of Glycyrrhizic Acid in Health Food1 ScopeThis document describes a method for the determination of glycyrrhizic acid in health foods by HPLC. This document applies to health foods in dosage forms such as hard capsules, tablets, powders, pastes, teas, granules, oral liquids, wine preparations, vinegar preparations, etc. Determination of glycyrrhizic acid.2 Normative referencesThe contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 6682 Specifications and test methods for water used in analytical laboratories3 Terms and definitionsThere are no terms or definitions that require definition in this document.4 PrincipleThe glycyrrhizic acid in the sample was extracted with 50% methanol solution, purified by solid phase extraction column if necessary, separated by high performance liquid chromatography, and detected by ultraviolet detector. Detection, qualitative analysis by retention time and quantitative analysis by external standard method.5 Reagents or materialsUnless otherwise specified, only chromatographic grade reagents were used. 5.1 Reagents 5.1.1 Methanol (CH3OH). 5.1.2 Acetic acid (CH3COOH). 5.1.3 Ammonium acetate (C2H7O2N). 5.1.4 Water. Grade 1 water as specified in GB/T 6682. 5.2 Reagent preparation 5.2.1 50% methanol solution. Take 500 mL of methanol (5.1.1), dilute to 1000 mL with water and mix well. 5.2.2 Ammonium acetate-0.5% acetic acid solution (0.1 mol/L). Take 7.71 g of ammonium acetate (5.1.3) and 5 mL of acetic acid (5.1.2), dissolve in water and Make up to 1000 mL and mix well. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 22248-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 22248-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 22248-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 22248-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 22248-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 22248-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |