GB/T 22327-2019Walnut oil (English PDF)
核桃油
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 4, 2019
Implementation date
January 1, 2020
Scope
GB/T 22327-2019 is the English-translated version of 核桃油.
GB/T 22327-2019 is the Chinese national standard for walnut oil, the oil made and processed from Juglans regia Linne or Juglans sigillata Dode. It gives the terms and definitions, classification, quality requirements, inspection methods and rules, labelling and marking, and packaging, storage, transportation and sales.
It separates crude walnut oil, which cannot be eaten directly and whose quality indexes serve crude oil trading only, from finished walnut oil.
Inspection covers refractive index, relative density, iodine value, saponification value, fatty acid composition, transparency, odour and flavour, colour, moisture and volatile matter, insoluble impurities and acid value, each by a cited method.
Walnut oil may not be mixed with other edible or non-edible oils, and no flavours or spices may be added. It replaces GB/T 22327-2008, was issued on 4 June 2019 and has applied since 1 January 2020.
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Document preview — GB/T 22327-2019
National Standard of the People's Republic of China
- ICS
- 67.200.10
- Classification
- X 14
- Replacing
- GB/T 22327-2008
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope5
- 2 Normative references5
- 3 Terms and definitions6
- 4 Classification6
- 5 Quality requirements6
- 6 Inspection methods8
- 7 Inspection rules8
- 8 Labeling and marking9
- 9 Packaging, storage, transportation and sales9
1 Scope
This Standard specifies the terms and definitions, classification, quality requirements, inspection methods, inspection rules, labeling and marking, packaging, storage, transportation and sales of walnut oil.
This Standard applies crude walnut oil and finished product of walnut oil. The quality index of crude walnut oil applies to the trade of crude oil only.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191, Packaging - Pictorial marking for handling of goods
GB/T 5009.37, Method for analysis of hygienic standard of edible oils
GB 5009.168, National Food Safety Standard - Determination of Fatty Acid in Foods
GB 5009.229, National Food Safety Standard - Determination of Acid Value in food
GB 5009.236, National Food Safety Standard - Animal and Vegetable Fats and Oils - Determination of Moisture and Volatile Matter
GB/T 5490, Inspection of grain and oils - General rules
GB/T 5524, Animal and vegetable fats and oils - Sampling
GB/T 5525, Vegetable fats and oils - Method for identification of transparency odor and flavor
GB/T 5526, Inspection of vegetable oils - Methods for determination of specific gravity
GB/T 5527, Animal and vegetable fats and oils - Determination of refractive index
GB/T 5532, Animal and vegetable fats and oils - Determination of iodine value
GB/T 5534, Animal and vegetable fats and oils - Determination of saponification value
GB 7718, National Food Safety Standard - Standard for nutrition labelling of prepackaged foods
GB/T 15688, Animal and vegetable fats and oils - Determination of insoluble impurities content
GB/T 17374, Sales package of edible vegetable oil
GB 28050, Nutrition Label Standards of Pre-packaged Food
GB/T 30354, Criterion for Bulk Transportation of Edible Vegetable Oils
3 Terms and definitions
The following terms and definitions are applicable to this document.
3.1 Walnut oil
The oil that is made and processed from Juglans regia Linne or Juglans sigillata Dode.
3.2 Crude walnut oil
The walnut oil, that cannot be eaten directly, which is obtained from the walnut for oil by pressing, leaching or the like, and meets the crude oil quality indexes of this Standard and the national food safety standards.
3.3 Finished product of walnut oil
The edible oil product, that is made and processed from walnut for oil or crude walnut oil, which meets the quality indexes for finished oil in this Standard and the national food safety standards.
4 Classification
Walnut oil is divided into crude walnut oil and finished product of walnut oil.
5 Quality requirements
5.1 Basic composition and main physical parameters
Note: national food safety standards such as GB 2716.
5.4 Others
Walnut oil shall not be mixed with other edible oils and non-edible oils; no flavors and spices shall be added.
6 Inspection methods
6.1 Refractive index inspection: perform according to GB/T 5527.
6.2 Relative density inspection: perform according to GB/T 5526.
6.3 Iodine value inspection: perform according to GB/T 5532.
6.4 Saponification value inspection: perform according to GB/T 5534.
6.5 Fatty acid composition inspection: perform according to GB 5009.168.
6.6 Transparency, odor and flavor inspection: perform according to GB/T 5525.
6.7 Color inspection: perform according to GB/T 5009.37.
6.8 Moisture and volatile matter content inspection: perform according to GB 5009.236.
6.9 Insoluble impurities content inspection: perform according to GB/T 15688.
6.10 Acid value inspection: perform according to GB 5009.229.
7 Inspection rules
7.1 General inspection rules
Perform according to GB/T 5490.
7.2 Sampling
Perform according to the requirements of GB/T 5524.
7.3 Delivery inspection
7.3.1 Perform the inspection batch by batch; issue an inspection report.
7.3.2 Inspect in accordance with items that are specified in 5.2. […]
7.4 Type inspection
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 5009.37Method for analysis of hygienic standard of edible oils
- GB 5009.168National Food Safety Standard — Determination of Fatty Acids in Foods
- GB 5009.229National food safety standard - Determination of acid value in foods
- GB 5009.236Animal and vegetable fats and oils -- Determination of moisture and volatile matter content
- GB/T 5490Inspection of grain and oils - General rules
Similar standards
Editions of GB/T 22327
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 22327-2019 | Walnut oil | current edition | Current |
| GB/T 22327-2008 | Walnut oil | previous edition | Superseded |
This page sells the current edition, GB/T 22327-2019. Earlier editions are listed for reference only.
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Related Standards
GB 28050-2025 — National food safety standard - General rules for the nutrition labelling of prepackaged foods
GB 5009.168-2016 — National Food Safety Standard — Determination of Fatty Acids in Foods
GB 5009.229-2025 — National food safety standard - Determination of acid value in foods
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GB/T 22327-2019
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