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GB 1903.26-2022: National food safety standard - Food nutritional fortification substance - Docosahexaenoic Acid (Tuna oil)
GB 1903.26-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National food safety standard - Food nutritional fortification
substance - Docosahexaenoic acid (Tuna oil)
油)
ISSUED ON: JUNE 30, 2022
IMPLEMENTED ON: DECEMBER 30, 2022
Issued by: National Health Commission of PRC;
State Administration for Market Regulation.
Table of Contents
1 Scope ... 3 
2 Molecular formula, structural formula, relative molecular mass of docosahexaenoic
acid (DHA) ... 3 
3 Technical requirements ... 3 
Appendix A Testing method ... 5 
National food safety standard - Food nutritional fortification
substance - Docosahexaenoic acid (Tuna oil)
1 Scope
This standard applies to food nutrition fortifier docosahexaenoic acid (tuna oil), which
is made from tuna as raw material, through heating, separation, refining, purification
and other processes.
2 Molecular formula, structural formula, relative molecular
mass of docosahexaenoic acid (DHA)
2.1 Molecular formula
2.2 Structural formula
2.3 Relative molecular mass
328.5 (by 2018 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Sensory requirements shall meet the requirements of Table 1.