[Sca-cooks] Left=hand sugar

[Siegfried Heydrich]

    Then what's the structure of date sugar, (which, as I recall) has a
glycemic index of 120 or so? I thought that monosaccharide was the simplest
of the energy supplying sugars. Why would date sugar be metabolized more
quickly?
    BTW, if you've been fighting all day, it's a 15 minute shot of organic
rocket fuel, though I've found that olives can keep you going longer and
better . . . Tapanade and pita chips are a wonderful nosh for the arming
tent.

    Sieggy

----- Original Message -----

> > > That being said, we are probably talking about sucrose made with L
> sugars.
> > > Common table sugar, or sucrose, is composed of two linked simple
sugars,
> > > hence the term "disaccharide". Sucrose is composed of one glucose and
> one
> > > fructose. Two glucose molecules linked together form maltose, and so
on.
> >
> > Does this relate to why sucrose if metabolized more rapidly in the body
> > than glucose or fructose? Something I just read, touching on athletic
> > nutrition.
>
> I'm not convinced this is actually correct. I think it's a
misunderstanding
> by a poorly-trained sports nutritionist that has been propagated through
the
> field. Sucrose begins its digestion much earlier - because it's broken
down
> into glucose and fructose in the gut; the smaller sugars are then absorbed
> into the blood and eventually into the cells where they're used. Pure
> glucose gets absorbed unchanged. Since sucrose is "processed" in the gut,
> that's misunderstood as "metabolism". In fact, breaking the
glucose-fructose
> bond USES chemical energy.
>
> > You might know, then, the answer I've been wondering about for months.
> > When glucose converts to glycogen, does it give off an actual water
> > molecule, or just two H and an O?
>
> Hydrogen and oxygen are both powerful attractors of electrons; that's why
> they never appear naturally as single atoms, only paired (H2 and O2). The
> enzymatic process that forms glycogen (and starch, protein, RNA and DNA,
for
> that matter) pulls an OH off one molecule, an H off the other, and
combines
> them to form a water molecule. The reverse process uses up a water
molecule.
> Note that different enzymes are needed to make each of these polymers -
it's
> just that the mechanisms are all similar.
>
> Avraham
>
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