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LY/T 1699-2023: Ginkgo biloba leaves extract
Status: Valid LY/T 1699: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1699-2023 | English | 359 |
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Ginkgo biloba leaves extract
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LY/T 1699-2023
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| LY/T 1699-2007 | English | 439 |
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Extract of Ginkgo biloba L.
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LY/T 1699-2007
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PDF similar to LY/T 1699-2023
Basic data | Standard ID | LY/T 1699-2023 (LY/T1699-2023) | | Description (Translated English) | Ginkgo biloba leaves extract | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 65.050 | | Word Count Estimation | 18,191 | | Date of Issue | 2023-06-19 | | Date of Implementation | 2023-11-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1699-2023: Ginkgo biloba leaves extract---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 65.050
CCSB72
Forestry Industry Standard of the People's Republic of China
Replace LY/T 1699-2007
Ginkgo biloba extract
Released on 2023-06-19
2023-11-01 Implementation
The State Forestry and Grassland Administration issued
Table of Contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical Requirements 2
4.1 Sensory indicators 2
4.2 Technical indicators 2
5 Sampling 3
6 Test methods 3
6.1 Sensory test 3
6.2 Determination of moisture 3
6.3 Determination of ash content 4
6.4 Determination of heavy metals 4
6.5 Determination of Arsenic 4
6.6 Determination of total flavonol glycosides content 4
6.7 Determination of total terpene lactone content 5
6.8 Determination of total ginkgolic acid content 7
6.9 Determination of rutin and quercetin content 8
7 Inspection Rules 9
7.1 Batch 9
7.2 Factory Inspection 9
7.3 Type inspection 9
7.4 Decision Rules 9
8 Marking, packaging, storage and transportation 10
9 Shelf life 10
Appendix A (Informative) Reference HPLC Conditions and Chromatogram Examples for Flavonol Aglycones11
Appendix B (Informative) Reference HPLC Conditions and Chromatogram Examples for Total Terpene Lactones12
Appendix C (Informative) Reference HPLC Conditions and Chromatogram Examples for Total Ginkgo Acids 13
Appendix D (Informative) Reference HPLC Conditions and Chromatogram Examples of Ginkgo Biloba Extract 14
Foreword
This 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 replaces LY/T 1699-2007 Ginkgo Biloba Extract. Compared with LY/T 1699-2007, except for structural adjustment and editorial
In addition to the modifications, the main technical changes are as follows.
a) The terms and definitions have been changed (see 3.1, 3.2 and 3.3, 3.1, 3.2 and 3.3 of the.2007 edition);
b) The sensory indicators have been changed (see 4.1, 4.1 of the.2007 edition);
c) Added technical indicators for rutin and quercetin, deleted the category level, and did not set the level (see 4.2, 4.2 of the.2007 edition);
d) Sampling was added (Chapter 5);
e) The test method for the determination of total terpene lactones has been changed (see 6.7, 5.5 of the.2007 edition);
f) The test method for the determination of total ginkgolic acid has been changed (see 6.8, 5.6 of the.2007 edition);
g) Added test methods for rutin and quercetin (see 6.9).
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 patents.
This document was proposed by the State Forestry and Grassland Administration.
This document is under the jurisdiction of the National Technical Committee for Standardization of Forest Chemical Products (SAC/TC558).
This document was drafted by. Institute of Forest Products Chemical Industry, Chinese Academy of Forestry, Guangdong-Hong Kong-Macao Greater Bay Area, China Institute of Inspection and Quarantine
District Research Institute, Violet Biotechnology (Zhongshan) Co., Ltd.
The main drafters of this document are. Wang Chengzhang, Chen Hongxia, Peng Mijun, Zhou Hao, Tao Ran, Zhang Changwei, Qi Zhiwen, Ye Jianzhong, and Xiao Yumei.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2007 as LY/T 1699-2007;
---This is the first revision.
Ginkgo biloba extract
1 Scope
Identification methods, inspection rules, marking, packaging, storage, transportation and shelf life.
This document is applicable to the use of dried ginkgo leaves as raw materials, after crushing, dilute ethanol extraction, concentration, macroporous resin adsorption and desorption, re-concentration and
Extracts obtained through drying and other processes.
2 Normative references
The contents of the following documents constitute the 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 5009.3 National Food Safety Standard Determination of Water Content in Food
GB/T 5009.4 National Food Safety Standard Determination of Ash in Food
GB/T 5009.11 National Food Safety Standard Determination of Total Arsenic and Inorganic Arsenic in Food
GB/T 5009.74 National Food Safety Standard Heavy Metal Limit Test for Food Additives
GB/T 6682 Specifications and test methods for water used in analytical laboratories
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Ginkgo flavonoids
Flavonoids contained in Ginkgo biloba leaf extract.
Note. Mainly refers to the sum of flavonol cinnamoyl glycoside compounds with quercetin, kaempferol and isorhamnetin as the parent.
Example 1
The chemical structure is shown in Figure 1.
Figure 1 Chemical structure of total flavonol glycosides from Ginkgo biloba
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