[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: gluconic acid/vitamin C
- To: Aquatic-Plants at actwin_com
- Subject: Re: gluconic acid/vitamin C
- From: Paul Sears <psears at nrn1_NRCan.gc.ca>
- Date: Mon, 23 Nov 1998 08:35:14 -0500 (EST)
- In-Reply-To: <199811210848.DAA25594 at acme_actwin.com> from "Aquatic Plants Digest" at Nov 21, 98 03:48:02 am
> >What is more, gluconate will not be an effective reducing agent
> >for metal ions. Glucose itself can be, but the aldehyde group on
> >glucose has already been oxidised when we get to the acid. The OH
> >groups won't reduce metal ions.
> Well, actually the gluconate is a reducing agent in the same manner as
> ascorbic acid is a reducing agent (although not as strong as ascorbate).
The reason that ascorbic acid is a reducing agent is that it has a
double bond in the carbon chain. Gluconic acid does not.
Paul Sears Ottawa, Canada