Posted by Larry Hoover on September 1, 2003, at 13:46:12
In reply to Re: Chart of omega 3 content in fish, posted by Kacy on August 29, 2003, at 13:38:33
> Well, I found an answer on salmon and omega 3 per a three ounce serving. It also covers other fish, but not sardines. I'm still looking for that.
It's a little awkward to use, but the link below will give you a good idea of what any food contains, be it vitamin, mineral, amino acid, or fatty acid. To find out how much DHA and EPA is in a particular kind of fish, first select "lipids" (there are three selections for lipids, because the tables are too big....more on that in a sec), then select "fish and shellfish", then scroll across and down the table to find what you're looking for. The fatty acids are identified in terms of their chain length and degree of unsaturation. The most important fatty acids in fish oil are probably DHA (tabulated as 22:6, in lipid table 2) and EPA (tabulated as 20:5, in lipid table 3). There are other omega-3 fats in fish, so the total omega-3 content would probably be one quarter to one third more than what you'd find by just adding up the DHA and EPA content.
http://www.cs.princeton.edu/~ah/food/
From those tables, 100 grams of tinned sardines in oil contains about 0.98 grams of DHA + EPA, and a few salmon examples show that raw pink salmon has 1.01 grams, raw sockeye 1.17 g, and farmed Atlantic has a whopping 1.91 g.
> I'm not sure how much I was getting in two capsules or how many grams I should shoot for.
Unless the fish oil caps are specially processed, you'd be getting a total of 0.3 g DHA + EPA per capsule. Therefore, two capsules would provide substantially less than a single 100 gram (3.5 ounce) portion of any of those fish listed above.
> How many grams a day do some of you take?
Some are taking 10 times what you do.
Lar
poster:Larry Hoover
thread:252684
URL: http://www.dr-bob.org/babble/20030828/msgs/256126.html