A prebiotic is: “a
non-digestible food ingredient that beneficially affects the
host [you] by selectively stimulating the growth and/or the
activity of one or a limited number of bacteria in the colon”
(Am Clin Nutrit, 201;73:406S-409S).
Because
prebiotics are non digestible they reach the intestine in
an unaltered form, where they grow into live “bio”-cultures.
Prebiotics, through natural means, encourage the growth of
bifido cultures and in this way can positively influence the
balance between beneficial cultures and unwanted bacteria
in the intestines.
The “new” fibre
In his article “Gut Reactions: The Power of fibre”
published in the September / October 2001 issue of Functional
Foods and Nutraceuticals, Dr Paul Clayton PhD states that:
” It is now generally agreed that there are at least
six types of fibre – more according to experts –
which all have different properties, are handled differently
in the body, and which all make a different contribution to
our health.”
Dr. Clayton adds “Emphasis is now
switching to another type of fibre that is broken down in
the body. This may seem a strange concept because most people
believe dietary fibre by definition is indigestible. Nevertheless
these new fibres are resistant to our digestive enzymes, but
they are broken down by enzymes produced by bacteria in the
colon. These fibres are known as non-digestible
oligosaccharides or prebiotics.”