GB/T 11761-1989 Sesame

GB/T 11761-1989 Sesame GB/T11761-1989 standard download decompression password: www.bzxz.net

Subject content and scope of application
National Standard of the People's Republic of China
Sesame seed
GB/T11761-89
This standard specifies the classification, terminology, quality index, inspection method and packaging, transportation and storage requirements of sesame. This standard applies to commercial sesame for food and oil production. 2 Reference standards
Sampling and splitting methods for inspection of grain and oilseeds
GB5491
GB5492
GB5493
Inspection of grain and oilseeds
Identification of color, odor and taste
Inspection of main types and mutual mixing of grain and oilseeds
Inspection of impurities and imperfect grains in grain and oilseeds GB5494
GB5497
GB5512
GB8115
3 Terminology
Inspection of grain and oilseeds Determination of moisture content
Inspection of grain and oilseeds Determination of crude fat
Grain packaging sacks
3.1 Purity rate: the percentage of net sample weight minus one-half of imperfect grains in the net sample weight. 3.2 Imperfect kernels: kernels with imperfect seeds but still edible value, including the following: 3.2.1 Unripe kernels: kernels with immature seeds, thin and shrunken, and significantly different from normal kernels. 3.2.2
Insect-eaten kernels: kernels eaten by insects and with damaged cotyledons. 3.2.3 Broken kernels: kernels with flattened and cracked seeds. 3.2.4 Moldy kernels: kernels with mold on the surface or discolored cotyledons. 3.3 Impurities: substances that pass through the specified sieve layer and have no edible value, including the following: 3.3.1 Undersize: substances that pass through a sieve with a diameter of 1.0 mm. 3.3.2 Inorganic impurities: sand, gravel, soil, bricks and tiles and other inorganic substances. 3.3.3 Organic impurities: sesame seeds with no edible value, seeds of foreign grains and oils, and other organic substances. 3.4 Oil content: the percentage of crude fat content in sesame. 3.5 Color and smell: the comprehensive color and smell of a batch of sesame. 4 Classification
According to the color of sesame seed coat, sesame seeds are divided into the following four categories: White sesame seeds: 95% or more of sesame seeds with white or milky white seed coat. 4.1
4.2 Black sesame seeds: 95% or more of sesame seeds with black seed coat. 4.3 Other pure color sesame seeds: 95% or more of sesame seeds with yellow, yellow-brown, reddish-brown, gray, etc. seed coat. 4.4 Mixed color sesame seeds: All sesame seeds that do not belong to the above three categories belong to this category. 5 Quality indicators
5.1 All types of sesame seeds are graded by the pure quality rate of net seeds. The quality indicators of each grade are shown in the following table: [Pure quality rate of net seeds, %
Minimum indicator
5.2 Sesame seeds are priced based on the second grade.
Impurities, %
Moisture, %
5.3 The maximum moisture limit of purchased sesame seeds is stipulated by each province, city, and autonomous region. 5.4 Sesame seeds for oil production are graded by oil content. The quality indicators are shown in Appendix A. 5.5 Hygiene indicators shall comply with relevant national regulations. Plant quarantine items shall be implemented in accordance with relevant national regulations. 5.6
Inspection methods
Sesame sampling and sub-sampling shall be implemented in accordance with GB5491. 6.1
6.2 Color and odor inspection shall be implemented in accordance with GB5492. Type and intermixing inspection shall be implemented in accordance with GB5493. 6.3
Inspection of impurities and purity rate shall be implemented in accordance with GB5494. 6.4
Inspection of moisture shall be implemented in accordance with GB5497.
Determination of oil content shall be implemented in accordance with GB5512.
Packaging, transportation and storage
7.1 Sesame packaging is divided into large packaging and small packaging: 7.1.1 Large packaging: The use of sack packaging shall comply with the requirements of GB8115. 』Color, smell
7.1.2 Small package: The packaging materials used should meet the requirements of food hygiene, be strong and not easy to break and leak, and indicate the product name, grade and weight.
7.2 The transportation of sesame shall be carried out in accordance with the relevant provisions of the Ministry of Commerce of the People's Republic of China on grain and oil transportation. 7.3 The storage of sesame shall be carried out in accordance with the relevant provisions of the Technical Specifications for Grain and Oil Storage of the Ministry of Commerce of the People's Republic of China. Appendix A
Quality indicators of sesame for oil production
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A1 The grade of sesame for oil production is determined by the oil content of sesame with standard water and impurities. The quality indicators of each grade are shown in the following table: Oil content
(based on standard water and impurities), % 1 Impurities, % 1 Moisture, % etc.
Minimum index
Color, smell
The pricing basis of sesame for oil production is grade three. When the oil content is 52.0% or above or lower than 47.0%, the price shall be increased or decreased according to the actual oil content A2
A3 hygiene indicators shall comply with relevant national regulations. Additional notes:
This standard is proposed and coordinated by the Grain Storage and Transportation Bureau of the Ministry of Commerce of the People's Republic of China. This standard is drafted by the Grain Bureaus of Anhui, Hubei, Henan, Sichuan and Jiangsu Provinces. The main drafters of this standard are Ning Naizhuang, Zhang Ming, Jiang Zhongqiang, Ji Aiping and Liang Shangfen. This standard is interpreted by the Inspection Office of the Grain Storage and Transportation Bureau of the Ministry of Commerce. From the date of implementation of this standard, the professional standard ZBB33001-85 "Sesame" issued by the former Ministry of Commerce of the People's Republic of China shall be invalid.
Approved by the State Bureau of Technical Supervision on November 16, 1989 and implemented on July 1, 1990
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