LY/T 1742-2008 English PDF

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LY/T 1742-2008: Polyprenols paste from leaf of Ginkgo biloba L.

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1742-2008	319	Add to Cart	3 days	Polyprenols paste from leaf of Ginkgo biloba L.

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Basic data

Standard ID: LY/T 1742-2008 (LY/T1742-2008)
Description (Translated English): Polyprenols paste from leaf of Ginkgo biloba L.
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B72
Classification of International Standard: 65.050
Word Count Estimation: 9,989
Date of Issue: 2008-03-31
Date of Implementation: 2008-05-01
Quoted Standard: GB/T 5009.4; GB/T 5009.11; GB/T 5009.37; GB/T 5009.74; GB/T 6682
Regulation (derived from): State Forestry Administration Announcement (Website)
Issuing agency(ies): State Forestry Administration
Summary: This standard specifies the ointment ginkgo biloba polyprenols terms, definitions, technical requirements, test methods, inspection rules, marking, packaging, storage, transportation and shelf life. This standard applies to ginkgo leaf as raw material, through a non-polar solvent extraction, saponification, extraction and concentration of different preparation processes polyprenols ointment.

LY/T 1742-2008: Polyprenols paste from leaf of Ginkgo biloba L.

---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.
Polyprenols paste from leaf of Ginkgo biloba L. ICS 65-050 B72 People's Republic of China forestry industry standards Ginkgo biloba polyalcohol enol paste Posted.2008-03-31 2008-05-01 implementation State Forestry Administration released

Foreword

This standard proposed by the Chinese Academy of Forestry Forest Chemical Industry Institute. This standard by the Chinese Academy of Forestry Forest Chemical Industry Institute. This standard is drafted by the Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry. The main drafters of this standard. Wang Chengzhang, Shen Zhao Bang, Zheng Guangyao. Ginkgo biloba polyalcohol enol paste

1 Scope

This standard specifies the terms, definitions, technical requirements, test methods, inspection rules, signs, packaging, storage, Shipping and shelf life. This standard applies to Ginkgo biloba as raw material, through non-polar solvent extraction, saponification, extraction and concentration of different processes prepared poly pentene Alcohol ointment.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. GB/T 5009.4 Determination of ash in foods GB/T 5009.11 Determination of total arsenic and inorganic arsenic in food GB/T 5009.37 edible vegetable oil health standards analysis methods GB/T 5009.74 heavy metals in food additives limited test GB/T 6682 analytical laboratory water specifications and test methods

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 A generic term for linear homologues composed of polymerized isoprenyl units. Polyisoprenes also known as polyisopre- nol). 3.2 Ginkgo biloba leaves as the raw material by non-polar solvent extraction, saponification, extraction and concentration of cream prepared by the process, which total polyprenol containing The amount required is more than 10%. 3.3 C60, C90, C95, C100, C95, C100, C30, C95, C105). Ginkgo biloba polyprenol has a trans-2- (cis) -cis (α) structure, with n = 11-18 (see Figure 1). Figure 1 Ginkgo biloba polyene alcohol chemical structure 3.4 All carotenoids with the same or similar structure as carotenoids. ......

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