> EDTA is used in certain food products to prevent fats and oils from > becoming rancid. It does this by chelating certain metal ions which > catalyze the oxidation which causes the rancidity. > This makes perfect sense. It is an indirect but effective anti-oxidant. Wonder if I should add EDTA to my saturated sulfite solutions? I really doubt it as I use carefully distilled water that should have no metal ions. JB ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.