GB/T 22327-2019 English PDF (GBT22327-2019)

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GB/T 22327-2019: Walnut oil
GB/T 22327-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 67.200.10
X 14
Replacing GB/T 22327-2008
Walnut oil
核桃油
ISSUED ON: JUNE 04, 2019
IMPLEMENTED ON: JANUARY 01, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 6 
4 Classification ... 6 
5 Quality requirements ... 6 
6 Inspection methods ... 8 
7 Inspection rules ... 8 
8 Labeling and marking ... 9 
9 Packaging, storage, transportation and sales ... 9 
Walnut oil
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