Stearidonic acid  (Synonyms: 6Z,9Z,12Z,15Z-Octadecatetraenoic acid)

Stearidonic acid (6Z,9Z,12Z,15Z-Octadecatetraenoic acid) is an intermediate fatty acid in the biosynthetic pathway from α-linolenic acid to VLC ω-3 PUFA. The conversion efficiency of stearidonic acid is higher than that of alpha-linolenic acid. Increasing the intake of stearidonic acid can increase the content of eicosapentaenoic acid (EPA) in red blood cells. Stearidonic acid can also be isolated from methanolic extracts of the brown alga Brachyphyllum gracilis^[1][2].

276.41

C₁₈H₂₈O₂

20290-75-9

Liquid

Colorless to light yellow

CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(O)=O

Room temperature in continental US; may vary elsewhere.

Solution, -20°C, 2 years

• [1]. Walker CG, et al. Stearidonic acid as a supplemental source of ω-3 polyunsaturated fatty acids to enhance status for improved human health. Nutrition. 2013 Feb;29(2):363-9.  [Content Brief]

  [2]. Kakisawa H, et al. An allelopathic fatty acid from the brown alga Cladosiphon okamuranus[J]. Phytochemistry, 1988, 27(3): 731-735.