Re: OT English Strawberrys


"Norman Wells" <norman@xxxxxxxxxxx> wrote in message
news:g572lq$5jn$1$8300dec7@xxxxxxxxxxxxxxxxxxx
Marcus Houlden wrote:
On Thu, 10 Jul 2008 23:18:51 +0200, John of Aix
<j.murphy@xxxxxxxxxxxxxx> wrote the following to uk.misc:

http://www.hotukdeals.com/item/211800/asda-in-store-british-strawberries-/

Public service notice: they're negative calorie foods so the more
you eat, the more weight you lose!

Utter bollocks.

I did a bit of checking up on the negative calories thing, and it
seems it comes from a single study. As far as I've been able to find
out this study was carried out on middle aged women and they
discovered that taking them off their normal diet and giving them
more raw fruit and veg meant they lost weight.

Well, that can't possibly prove the proposition, so it's totally
irrelevant.

In fact, the only 'food' I know of that takes more calories to chew and
digest than it provides is celery. Strawberries contain fructose, which
is a sugar, which is why they taste sweet. They contain about 27 Calories
per 100g.

Unfortunately I can't
find a cite for this and there's so much diet quackery around online
that it's hard to tell what is true.

Indeed there is.

Pretty obvious that 1 kcal (as
described on food labels) is not the same as 1 cal (energy needed to
raise 1g of water by 1 C) though.

Yes, but they're related. A calorie (or Calorie) in terms of food is in
fact always a kilocalorie (hence kcal) in scientific terms, ie the amount
of energy required to heat a whole litre (or kilogram) of water by 1
degree C.


Historically, it is the calorie and the Calorie. One Calorie = 1000
calories. The term kilocalorie has been adopted because it is impossible to
distiguish the difference in spoken language. Also there are some that fail
to appreciate the difference when written. It is all accademic these days
because the correct unit is now the 'Joule'.


.

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