Hi Keith;

Oops, I forgot to mention which grouping was which nut (although one could
make a reasonable guess at it). The first was for the walnuts and the second
was for the Brazil nuts.

Mrilyn


At 06:47 AM 1/27/02 -0500, Marilyn Harris wrote:
>Hi Keith;
>
>>1.  Does the USDA data base report on n-3 and n-6 fats?
>
>http://www.nal.usda.gov/fnic/cgi-bin/nut_search.pl
>
>1 oz (14 halves) = 28.350 grams
>
>Fatty acids, total polyunsaturated  g 13.374
>18:2 undifferentiated  g 10.799
>18:3 undifferentiated  g 2.574
>18:4  g 0.000
>20:2 n-6 c,c  g 0.000
>20:3 undifferentiated  g 0.000
>20:4 undifferentiated  g 0.000
>20:5 n-3  g 0.000
>22:5 n-3  g 0.000
>22:6 n-3  g 0.000
>
>1 oz (6-8 kernels) = 28.350 grams
>
>Fatty acids, total monounsaturated  g 6.525
>16:1 undifferentiated  g 0.092
>18:1 undifferentiated  g 6.345
>20:1  g 0.018
>22:1 undifferentiated  g 0.000
>Fatty acids, total polyunsaturated  g 6.841
>18:2 undifferentiated  g 6.749
>18:3 undifferentiated  g 0.018
>18:4  g 0.000
>20:4 undifferentiated  g 0.000
>20:5 n-3  g 0.000
>22:5 n-3  g 0.000
>22:6 n-3  g 0.000
>
>>2.  If it does, how do I derive that ratio from its analyses?
>
>From http://www.fish-foundation.org.uk/omega-3.htm this appears to be helpful;
>
>THE OMEGA-6 POLYUNSATURATES
>LINOLEIC ACID(18:2,W-6)
>from vegetable oils such as sunflower, sesame, safflower etc
>
>GAMMA-LINOLENIC ACID(18:3,W-6)
>from evening primrose oil, borage and  blackcurrantseed oils
>
>ALPHA-LINOLENIC ACID (18:3,W-3)
>( a short chain omega-3)
>from linseed and rapeseed oils
>
>ARACHIDONIC ACID (20:4,W-6)
>found in small amounts in meat, eggs
>
>EICOSAPENTAENOIC ACID (20:5, W-3)
>( a long chain omega-3)
>only significant diet source is oil-rich fish
>
>DOCOSAHEXAENOIC ACID (22:6,W-3)
>(a long chain omega-3)
>major source is  oil-rich fish; small amounts in meats & eggs.
>
>Marilyn
>
>
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