The sugar in fruit juices
is predominantly fructose, which is a disaccharide,
meaning that it contains two molecules of glucose joined together
and must be bro- ken down to glucose
in order to be absorbed, which may cause a delayed
or muted effect on
the
blood
sugar. Fruit juices will also contain
a moderate amount of some vitamins and minerals. Sodas do not contain significant amounts of vitamins or minerals. The sugar
in regular non-diet sodas is glucose, which is very readily absorbed and sweeter tasting. The amount of sugar in a
standard 12-ounce
can of regular soda is equivalent to about 9 teaspoons of table sugar (which is neither
glucose nor fructose,
but
sucrose, another disaccharide) and therefore provides a large amount of calories, which can raise the
blood sugar level very quickly. This is helpful if a low blood sugar
reaction is being treated, but not a recommended part of the dia- betic diet, as
it causes a
very sharp rise in blood glucose to
levels above those
recommended. This rise is hard to
prevent with either pills or insulin, without giving doses that will later lead to low blood sugar levels.
No comments:
Post a Comment