‫هيئة التقييس لدول مجلس التعاون لدول الخليج العربية‬
GCC STANDARDIZATION ORGANIZATION ( GSO )
First Draft
GSO / DS 670/2014
Edible Nigella Sativa Seed Oil
Prepared by:
Gulf technical committee for sector standards of food and agriculture products
This document is a draft Gulf standard circulated for comments, it is therefore, subject to
alteration and modification, and may not be referred as a Gulf standard, until approved by the
Board of Directors
ICS: 67:200
FORWARD
GCC Standardization Organization (GSO) is a regional Organization which consists of the
National Standards Bodies of GCC member States. One of GSO main functions is to issue
Gulf Standards /Technical regulations through specialized technical committees (TCs).
GSO through the technical program of committee TC No.:.(5) " Gulf technical committee for
standards of food and agriculture products " has update the GSO Standard GSO 670/1997
Edible Nigella Sativa Seed Oil" . The Draft Standard has been prepared by (STATE OF
QATAR ) .
This standard has been approved as a Gulf Technical Regulation by GSO Board of Directors
in its meeting No.( ), held on
h
( G) and cancel and replaced standard no
(GSO670/1997) .
Gulf Standard
GSO 670 / 2014
Edible niger sativa seed oil
1.
Scope :
This Gulf standard is concerned with requirements for edible Nigella Sativa Seed Oil
firm (virgin and refined) intended for food and not for medical use.
2.
Complementary Standers:
2.1 GSO 9 "Labeling of prepackaged foodstuffs".
2.2 GSO 15 "Methods of Sampling food oils and fats."
2.3 GSO 16 "Physical and chemical for testing edible vegetable oils and fats " .
2.4 GSO 17 "Methods of test for permitted additives in edible oils and fats – part1 "
2.5 GSO 20 "Methods for the determination of contemning metallic elements in food
stuffs."
2.6 GSO 21 "hygienic regulation for food plants and their personal."
2.7 GSO 168 " Requirements of storage facilities for dry and canned food stuffs " .
2.8 GSO 275 "Determination of fatty acids in animal and vegetable fats and oils -Second Part:
Analysis by gas liquid – Chromatography of methyl esters of fatty acids liquid gas."
2.9 GSO 382 " Maximum limits for pesticide residues in agricultural food products Part 1."
2.10 GSO 383 "Maximum allowable limits of pesticide residues in agricultural and food
products Part 2."
2.11 GSO 643 " Whole and ground Niger (NIGELLA SATIVA) Seeds ."
2.12 GSO 839 "Food packages first part General Requirements ."
2.13 GSO 988 "Limits of Radioactivity levels permitted in food - the first part."
3.
Definitions:
3.1 Virgin black seed oil :
Extracted from the seeds of black seed (Nigella sativa L.), without a change in the nature of
the oil by mechanical processes press or pressure-helix without the use of heat and extraction
with organic solvents or in any other way which is purified by washing with water
sedimentation filtration and centrifugation only.
3.2 Refined black seed Oil :
Virgin black seed Oil which is purified refining and bleaching and deodorization to be fit for
human consumption.
4
Requirements:
The following shall be met in edible Nigella Sativa Seed Oil:
4.1 It shall be produced from Nigella Sativa Seeds which comply with GSO standard
mentioned in item No. (2.11).
4.2 It shall be free from any other oils or fats, completely free from pig products or their
derivatives or any other animal fats.
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Gulf Standard
GSO 670 / 2014
4.3 It shall have the taste and odor distinguishing the product, and shall be free from strange
taste and rancid odor.
4.4 No additives shall be allowed to the Virgin Nigella Sativa Seed Oil.
4.5 It shall be clear and free from any turbidity, or the raw materials from which it is
extracted, and from materials used in its purification.
4.6 It shall be free from mineral oils.
4.7 Ratio of humidity and volatile matters at 105ᵒC shall not exceed 0.2% (m/m).
4.8 Insoluble impurities content shall not exceed 0.05%(m/m).
4.9 un saponifiable matter shall not exceed 1.5% (m/m).
4.10 Acid number shall not exceed 6 mg potassium hydroxide /gm virgin oil, and 0.06mg
potassium hydroxide/gm for the refined oil.
4.11 Saponification content ratio shall not exceed 0.005%(m/m).
4.12 Its relative density (at 30ᵒ C/30ᵒC for water) shall not be less than 0.917 and not more
than 0.920.
4.13 The refractive index (at 40ᵒC) shall be between 1.4665 – 1.4695.
4.14 Saponification value shall not be less than 189 and not more than 135.
4.15 Mineral matters ratio shall not exceed the following (mg/kg):
Iron
Copper
Lead
Virgin Oil
5
0.4
0.1
Refined Oil
1.5
0.1
0.1
Arsenic
0.1
0.1
4.17 The fatty acid composition (percentage of the fatty acids) using gas chromatography
analysis shall be as follows:
Mirstic acid
Palmitic acid
Stearic acid
Oleic acid
Linoleic acid
Linolenic acid
Arekedek Acid
Pehinak Acid
( k14:zero)
( k16:zero)
(k 18: zero)
(k18:1)
(k18:2)
(k18:3)
(k20:zero)
(k 22: zero)
12.0.1
13-6
2-12
20-50
35-62
0.5-4
Zero-3
Zero-0.5
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Gulf Standard
GSO 670 / 2014
5. Sampling :
Samples shall be obtained in accordance with GSO standard mentioned in item No. (2.2)
6. Testing Methods:
All tests on the representative sample shall be conducted in accordance with the GSO
standard mentioned in item No. (2.3).
6.1 Test for estimating net weight, and tangible tests, shall be conducted in accordance with
the GSO standard mentioned in item No. (2.5).
6.2 Insecticide residues shall be estimated according to GSO standard mentioned in item
No.(2.9).
6.3 Contaminating mineral elements shall be estimated in accordance with GSO standard
mentioned in item No. (2.5)
6.4 Limits of permissible radionuclide levels shall be estimated in accordance with GSO
standard mentioned in item No. (2.13)
7. Packaging:
Without prejudice to the content of GSO standard mentioned in item (2.12), oil shall be
packaged in appropriate containers, made of safe materials which do not affect its
characteristics. Containers shall be adequate, dry, clean, free of any strange odor, not used
before and have tight covers.
8. Storage:
Oil containers shall be stored in well ventilated stores, away from direct sunlight and sources
of heat and contamination. Stores shall comply with the terms and conditions in GSO
standard mentioned in item (2.7)
9. labeling :
Without prejudice to the content of GSO standard mentioned in item No. (2.1), the package
label shall show:
9.1 Batch Number.
9.2 Additives.
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