From: A review of fatty acid profiles and antioxidant content in grass-fed and grain-fed beef
 | Fatty Acid | ||||||
---|---|---|---|---|---|---|---|
Author, publication year, breed, treatment | C12:0 lauric | C14:0 myristic | C16:0 palmitic | C18:0 stearic | C20:0 arachidic | Total SFA (units as specified) | Total lipid (units as specified) |
Alfaia, et al., 2009, Crossbred steers | g/100 g lipid | ||||||
   Grass | 0.05 | 1.24* | 18.42* | 17.54* | 0.25* | 38.76 | 9.76* mg/g muscle |
   Grain | 0.06 | 1.84* | 20.79* | 14.96* | 0.19* | 39.27 | 13.03* mg/g muscle |
Leheska, et al., 2008, Mixed cattle | g/100 g lipid | ||||||
   Grass | 0.05 | 2.84* | 26.9 | 17.0* | 0.13* | 48.8* | 2.8* % of muscle |
   Grain | 0.07 | 3.45* | 26.3 | 13.2* | 0.08* | 45.1* | 4.4* % of muscle |
Garcia et al., 2008, Angus X-bred steers | % of total FA | ||||||
   Grass | na | 2.19 | 23.1 | 13.1* | na | 38.4* | 2.86* %IMF |
   Grain | na | 2.44 | 22.1 | 10.8* | na | 35.3* | 3.85* %IMF |
Ponnampalam, et al., 2006, Angus steers | mg/100 g muscle tissue | ||||||
   Grass | na | 56.9* | 508* | 272.8 | na | 900* | 2.12%* % of muscle |
   Grain | na | 103.7* | 899* | 463.3 | na | 1568* | 3.61%* % of muscle |
Nuernberg, et al., 2005, Simmental bulls | % of total intramuscular fat reported as LSM | ||||||
   Grass | 0.04 | 1.82 | 22.56* | 17.64* | na | 43.91 | 1.51* % of muscle |
   Grain | 0.05 | 1.96 | 24.26* | 16.80* | na | 44.49 | 2.61* % of muscle |
Descalzo, et al., 2005 Crossbred Steers | % of total FA | ||||||
   Grass | na | 2.2 | 22.0 | 19.1 | na | 42.8 | 2.7* %IMF |
   Grain | na | 2.0 | 25.0 | 18.2 | na | 45.5 | 4.7* %IMF |
Realini, et al., 2004, Hereford steers | % fatty acid within intramuscular fat | ||||||
   Grass | na | 1.64* | 21.61* | 17.74* | na | 49.08 | 1.68* % of muscle |
   Grain | na | 2.17* | 24.26* | 15.77* | na | 47.62 | 3.18* % of muscle |