The Queen of Cans and Jars said...

Doug Freyburger wrote:

" wrote:

Generally, they are fairly consistent. One brands green beans for the
same size serving might say 20 cal and another 30. I suppose this
could just be a rounding-off phenomenon.

"The man with one watch knows what time it is. The man
with several watches is never sure."

When it comes down to it counts of calories, carbs and so on
are approximations. The labels differ within the range of
uncertainty. What the exercise teaches is that the numbers
are uncertain within a range. Think back to elementary science
classes and the error bars.

Try to get down to the exact calorie count and the number you
arrrive at isn't going to be as accurate as the labels and additions
suggest. Even if you use the scale yourself.

The same issue happens when counting carbs - Deduction of
fiber adds error. Insoluble fiber is absorded a a zero rate.
Soluble fiber is absorbed at an unknown rate depending on the
exact events in your intestines where the intestinal bacteria
do digest it.

But even with those errors counting carbs or calories work.
Because accuracy isn't needed at the level labels appear to
give but actually don't.

"Measure with a micrometer. Mark with chalk. Cut with an
axe." It's a cliche in the engineering field that teaches the
actual accuracy of measurements and the actual need for
accuracy.

In addition to that, it's impossible to know to the calorie how much
you're burning.

Everything's approximate.


Depending on if you can get to a website that makes the product and can get
an accurate nutrition label it can be trusted.

I've seen nutrition labels change over periods of time. Usually additions
of ingredients.

Even though products like flash frozen veggies can be tastier and more
nutritious, they can still be over-processed as far as excess ingredients
go.

Andy


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