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From:	Just Me (67.137.157.170)
Subject:	Augusto -- I think pp. 333-336 of The 80-10-10 Diet might help you understand
Date:	February 13, 2012 at 8:51 am PST

In Reply to: Pineapple and bananas fats posted by Augusto on February 11, 2012 at 4:35 pm:

Hi Augusto,

I think pp. 333-336 of The 80-10-10 Diet might help you understand this a bit more. 1) The SELF database, as well as Dr. Graham's numbers come from the USDA (United States Department of Agriculture) nutrient database. From what I can tell, INRAN is the National Institute of Research on Food and Nutrition.

Here is just a bit of what Dr. Graham has to say in his book:

"Unfortunately, the information in the USDA database (though it is the best information available) is of questionable value. . . . Even under the best circumstances, nutritional analysis is far from an exact science. . . . Nonetheless, the USDA database is the primary source of food nutrient data for this nation and beyond." p. 334

Pp. 335-336 goes into some depth on "trying to replicate the numbers," and talks about inaccuracies in Nutridiary and FitDay due to different calculation methods (it doesn't address SELF's database, because I think that is newer than the book).

Anyway, hope this helps a bit. No cut-and-dry answer to your question. I agree with K.D. that, "There is no correct value at all. Any parameter in foods is subject to fluctuation. The values in these databases are average values of a few samples tested at a particular time, from a particular place and so on. You actually cannot know what your particular food precisely holds and what not."

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