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[compost_tea] sodium benzoate was Re: Fruit Club Update



I found the information I had previously read. It sounds like once 
this preservative hits our water at a pH of 7.5 it's rendered useless 
as an "icide".
Although I have to admit that just because it's in every soda pop (I 
drink none!) doesn't make me feel good about it.

sodium benzoate
NOUN:	The sodium salt of benzoic acid, NaC7H5O2, used as a food 
preservative, an antiseptic, and an intermediate in dye manufacture 
and in the production of pharmaceuticals. Also called benzoate of 
soda. 
Sodium benzoate has been used as a food preservative since the early 
1900's.  It is employed in a wide range of preservative applications 
because of its antimicrobial action combined with its low toxicity 
and low taste.  It is most suitable when used in foods and beverages 
with a pH of 4.5 and below and is not recommended for use when the pH 
exceeds 4.5.

The lower the pH level, the greater the effectiveness of sodium 
benzoate on yeasts, molds and bacteria.  At low pH levels, it may 
impart a slight tang if used at maximum concentration levels (0.1%).  
To maximize its effectiveness against enzyme formation, it is 
recommended that it be added at the earliest processing step possible.

Sodium benzoate is widely used in carbonated and non-carbonated 
beverages, fruit and fruit juices, syrups, jams and jellies, prepared 
salads, tomato-based products (including sauce, paste and salsa), 
margarine, olives, pickles and other condiments.  It also is used in 
conjunction with fumaric acid and boric acid for fish preservation.





--- In compost_tea@yahoogroups.com, "tomjasz" <tom@l...> wrote:
> The next question should be, what effect does the preservative have 
> on the end product. Tom Piatkowski will hopefully write some on the 
> effect. I believe Saponyn also has a preservative. I have used and 
> tested with ThermX70 and Saponyn and test results didn't show any 
> problem. Highland, I think, uses Saponyn in their ACT and has had 
> some of the most diverse teas brewed to date. I think we should 
check 
> the science here. Unfortunately the users of preservative free 
Yucca  
> haven't tested nor has the seller posted any test results.
> 
> 
> 
> --- In compost_tea@yahoogroups.com, Lmvine1@c... wrote:
> > It may be OMRI listed but in an e-mail from factory they said 
they 
> use a 
> > preservative!!
> >  E-mail below in quotes.
> > "We use 0.1% sodium benzoate as a preservative in the Thermx-70. 
> The percent 
> > saponin in Thermx-70 is a minimum of 20%, it is usally aroun 23%. 
> If you have 
> > anymore questions feel free to call me at 1-800-327-0000.
> > 
> > Wilfredo Idolyantes
> >  Customer Sales &Service"
> > 
> > Dan


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