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GB 7300.308-2025: Feed additives - Part 3: Minerals and their complexes (or chelates) - Zinc threoninate chelate
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Feed additives - Part 3: Minerals and their complexes (or chelates) - Zinc threoninate chelate
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GB 7300.308-2025
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Basic data | Standard ID | GB 7300.308-2025 (GB7300.308-2025) | | Description (Translated English) | Feed additives - Part 3: Minerals and their complexes (or chelates) - Zinc threoninate chelate | | Sector / Industry | National Standard | | Classification of Chinese Standard | B46 | | Classification of International Standard | 65.120 | | Word Count Estimation | 14,123 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 7300.308-2025: Feed additives - Part 3: Minerals and their complexes (or chelates) - Zinc threoninate chelate
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ICS 65.120
CCSB46
National Standard of the People's Republic of China
feed additives
Part 3.Mineral elements and their complexes (chelates)
Zinc threonate chelate
Released on June 30, 2025
Implementation on July 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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 is Part 308 of GB 7300 “Feed Additives”. GB 7300 has been published in the following parts.
--- Part 1.Amino acids, amino acid salts and their analogues L-threonine (GB 7300.101);
--- Part 1.Amino acids, amino acid salts and their analogs Glycine (GB 7300.102);
--- Part 1.Amino acids, amino acid salts and their analogs - Methionine hydroxy analogs (GB 7300.103);
--- Part 1.Amino acids, amino acid salts and their analogues L-valine (GB 7300.104);
--- Part 2.Vitamins and vitamin-like substances L-ascorbic acid-2-phosphate (GB 7300.201);
--- Part 2.Vitamins and vitamin-like vitamin D3 oil (GB 7300.202);
--- Part 2.Vitamins and vitamin-like betaine (GB 7300.203);
--- Part 2.Vitamins and vitamin-like substances. Betaine hydrochloride (GB 7300.204);
--- Part 3.Mineral elements and their complexes (chelates) Potassium iodide (GB 7300.301);
--- Part 3.Mineral elements and their complexes (chelates) Sodium selenite (GB 7300.302);
--- Part 3.Mineral elements and their complexes (chelates) Potassium iodate (GB 7300.303);
--- Part 3.Mineral elements and their complexes (chelates) - Iron glycine complex (GB 7300.304);
--- Part 3.Mineral elements and their complexes (chelates) Basic copper chloride (GB 7300.305);
--- Part 3.Mineral elements and their complexes (chelates) Chromium nicotinate (GB 7300.306);
--- Part 3.Mineral elements and their complexes (chelates) Zinc glycinate (GB 7300.307);
--- Part 3.Mineral elements and their complexes (chelates) - Zinc threonate chelate (GB 7300.308);
--- Part 4.Enzyme preparation xylanase (GB 7300.401);
--- Part 4.Enzyme preparation phytase (GB 7300.402);
--- Part 4.Enzyme preparations Cellulase (GB 7300.403);
--- Part 4.Enzyme preparation β-mannanase (GB 7300.404);
--- Part 4.Enzyme preparation α-galactosidase (GB 7300.405);
--- Part 5.Microorganisms Saccharomyces cerevisiae (GB 7300.501);
--- Part 5.Microorganism Lactobacillus plantarum (GB 7300.502);
--- Part 5.Microorganisms Enterococcus faecium (GB 7300.503);
--- Part 5.Microorganism Lactobacillus acidophilus (GB 7300.504);
--- Part 5.Microorganisms Bacillus coagulans (GB 7300.505);
--- Part 6.Non-protein nitrogen urea (GB 7300.601);
--- Part 8.Preservatives, mildew inhibitors and acidity regulators - Sodium bicarbonate (GB 7300.801);
--- Part 8.Preservatives, mildew inhibitors and acidity regulators Propionic acid (GB 7300.802);
--- Part 8.Preservatives, mildew inhibitors and acidity regulators - Ammonium chloride (GB 7300.803);
--- Part 8.Preservatives, mildew inhibitors and acidity regulators Benzoic acid (GB 7300.804);
--- Part 9.Colorant β-carotene powder (GB 7300.901);
--- Part 9.Colorant β,β-carotene-4,4-dione (canthaxanthin) (GB 7300.902);
--- Part 10.Seasoning and food attractant. Monosodium glutamate (GB 7300.1001);
--- Part 10.Allicin, a flavoring and food attractant (GB 7300.1002);
--- Part 10.Flavoring and food attractant Neomethylhesperidin dihydrochalcone (GB 7300.1003);
--- Part 13.Other bile acids (GB 7300.1301).
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 is proposed and coordinated by the Ministry of Agriculture and Rural Affairs of the People's Republic of China.
introduction
Feed additives refer to small or trace substances added during feed processing, production, and use, including nutritional feed additives.
And general feed additives. For ease of use, GB 7300 "Feed Additives" is divided into the following 13 categories according to product type.
---Amino acids, amino acid salts and their analogues;
---Vitamins and vitamin-like substances;
---Mineral elements and their complexes (chelates);
---Enzyme preparations;
---microorganism;
---Non-protein nitrogen;
---Antioxidants;
---Preservatives, mildew inhibitors and acidity regulators;
---Colorants;
---Seasoning and attractant substances;
---Binders, anti-caking agents, stabilizers and emulsifiers;
---Polysaccharides and oligosaccharides;
---other.
The product threonine zinc chelate in this document belongs to the third category of mineral elements and their complexes (chelates).
This is the eighth product standard issued in this category, so this document is numbered GB 7300.308 and is part 308 of GB 7300.
feed additives
Part 3.Mineral elements and their complexes (chelates)
Zinc threonate chelate
1 Scope
This document provides the chemical name, molecular formula, relative molecular mass and structural formula of zinc threonine chelate, and specifies the feed additive threonine.
The technical requirements, inspection rules, labeling, packaging, transportation, storage and shelf life of zinc aminoacid chelate are described, as well as the sampling and test methods.
This document applies to feed additive threonine zinc chelate products which are chemically synthesized from threonine and zinc oxide.
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 601 Preparation of standard titration solutions for chemical reagents
GB/T 603 Preparation of preparations and products used in test methods for chemical reagents
GB/T 5917.1 Determination of particle size of ground feeds - Two-layer sieve method
GB/T 6432 Determination of crude protein in feeds - Kjeldahl method
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB 10648 Feed Labeling
GB/T 13079 Determination of total arsenic in feed
GB/T 13080 Determination of lead in feed - Atomic absorption spectrometry
GB/T 13082 Determination of cadmium in feed
GB/T 14699 Feed Sampling
GB/T 18246-2019 Determination of amino acids in feed
3 Terms and Definitions
There are no terms or definitions that require definition in this document.
4 Chemical name, molecular formula, relative molecular mass and structural formula
4.1 Chemical name. Zinc threonate chelate.
4.2 Molecular formula. C8H16N2O6Zn·2H2O.
4.3 Relative molecular mass. 337.63 (calculated according to the 2022 international relative atomic mass standard).
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