Comment on Why Vegetarians and Vegans Should Supplement with DHA by daz

September 13, 2016

This post was originally published on this site

http://chriskresser.com/

i would be interested know peoples thoughts on a few things i read along the lines that…
DHA is best when in the “sn-2” position (basically the middle of a triacylglycerol or phospholipid).
eg. from here; caloriesproper.com/vegetable-oil-fatty-acids-are-not-essential/
1) DHA is more stable in this position (eg, Wijesundera et al., 2008).
2) It’s more bioavailable here (eg, Christensen et al., 1995).
3) sn-2-DHA is more effectively incorporated into brain lipids (eg, Thies et al., 1994 and Lagarde et al., 2001). Again, it’s not all-or-nothing, but more is likely gonna get in your brain if you eat seafood.

I have also read ~ ‘DHA in the sn-2 position in phosphoglycerides is the predominant form in mother’s milk. It is the form that is required for optimal brain development in nursing infants’

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