Hello Kerry,
lactase is an enzyme, and enzymes have the special property that they
help with a reaction *without* using up. The lactase-molecule binds to a
lactose-molecule, and after the lactose is split, the lactase-molecule
disconnects and is the same as before. It can then start all over and
split the next lactose-molecule that comes its way. So you need little
enzyme to split many molecules.

Utta Reich-Schottky
vice-chair of Arbeitsgemeinschaft Freier Stillgruppen (AFS)


 -
> Date:    Tue, 12 Nov 2002 08:59:54 -0600
> From:    Kerry & Jack <[log in to unmask]>
> Subject: Update to my question about lactase in milk
>
>[...]
>
> For lactase, I use the analogy of lye in soap. In making soap, lye is added.
> It reacts with the oils, and once the reaction occurs, the lye itself is
> gone, and saponification is the end result (assuming the person measured
> things correctly). If I understand things correctly, lactase acts in a
> similar fashion. [...]
> Kerry Luskey
> Minneapolis
>
>

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