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LY/T 1641-2005: Tannic acid (food grade)
Status: Obsolete
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1641-2005 | English | 239 |
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Tannic acid (food grade)
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LY/T 1641-2005
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Basic data | Standard ID | LY/T 1641-2005 (LY/T1641-2005) | | Description (Translated English) | Tannic acid (food grade) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 65.050 | | Word Count Estimation | 6,648 | | Date of Issue | 2005-08-16 | | Date of Implementation | 2005-12-01 | | Regulation (derived from) | State Forestry Administration Notice No. 1, 2010 | | Summary | This standard specifies the consumption of tannin technical requirements, sampling, test methods, inspection rules and signs, packaging, storage and transport requirements. This standard applies to gall as the raw material can be used in the food manufacturing process tannins products. | LY/T 1641-2005: Tannic acid (food grade)---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.
Tannic acid (food grade)
ICS 65.050
B72
People's Republic of China Forestry Industry Standard
Edible tannic acid
Released on.2005-08-16
Implementation of.2005-12-01
State Forestry Administration released
Foreword
This standard was proposed by the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
This standard is under the jurisdiction of the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
This standard was drafted by the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
The main drafters of this standard. Chen Yuhong, Wang Yumei, Wu Dongmei, Wu Zaiyu.
Edible tannic acid
1 Scope
This standard specifies the technical requirements, sampling, test methods, inspection rules, and marking, packaging, storage and transportation requirements for edible tannins.
This standard applies to tannic acid products made from gallnuts and used in food manufacturing processes.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
LY/T 1642-2005 Tannic acid analysis test method
3 Terms and definitions
The terms and definitions established by LY/T 1642-2005 and the following terms apply to this standard.
3.1
Galla Chinensis extract, a purified tannin product that can be used in the manufacture of foods such as alcoholic beverages and beverages.
4 Technical requirements
Edible tannins should meet the technical indicators given in Table 1.
Table 1 Technical indicators of edible tannic acid
Indicator name
index
First-class quality products
Tannic acid content (on a dry basis)/(%) ≥ 98.0 96.0 93.0
Loss on drying/(%) ≤ 9.0 9.0 9.0
Residue on ignition/(%) ≤ 0.6 1.0 1.0
Arsenic/(μg/g) ≤ 3 3 3
Lead/(μg/g) ≤ 5 5 5
Heavy metal (in Pb)/(μg/g) ≤ 20 20 20
Gum, dextrin test no turbidity, no turbidity, no turbidity
Resin test without turbidity, no turbidity, no turbidity
Gallic acid/(%) ≤ 0.75 2.5 4.0
5 sampling
5.1 Sampling method
When sampling tannic acid, the batch is used, and the number of samples per batch is not less than 3. Each piece takes approximately the same sample. Made of stainless steel
Samplers made of hard plastic or plastics take approximately equal specimens at three different locations in the bag. Mix the sample to be taken evenly (granules
The sample must be ground into a powder) and divided by a quarter method.
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