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Transcript

Organic vs. Non Organic Food

Background Info.

What is "Organic" food?

  • All natural
  • Grown without pesticides & chemical fertilizers
  • Not treated with chemical preservatives & additives
  • Is organic food "better" than non-organic food?

Preservative:

Disodium EDTA

  • Aminopolycarboxylic acid that is bound to sodium
  • Helps maintain the texture & color of foods
  • Deemed harmless!!! (in small quantities)

Data- Corn

(GMO'ed Fat)

What are we testing?

  • Effectiveness of EDTA on spoiling of foods

  • Effect of removal of fat on spoiling of foods

Jackie

Cho

Gabi

Im

Data- Beans

(Disodium EDTA)

Conclusion

day 3- non-organic

day 6- non-organic

day 1- non-organic

EDTA is

effective

day 3- organic

day 6- organic

day 1- organic

More fat,

faster spoiling

Results

Red kidney beans

Organic beans

=

mold

Non organic beans

=

No mold

What happens chemically?

Yellow Corn

Organic Corn

=

early signs of mold

Non organic corn

=

No mold

Larger Context

EDTA binds with metal ions

Reactive

Initiate chemical reactions

Metal ions present

Stable ring structure

Use of preservatives

Genetic modification

Callie, Amanda, Christina's experiment

Procedure

3. OBSERVE & RECORD ANY PHYSICAL CHANGES!

2. Put organic & non organic kidney beans, organic & non organic corn into small plastic containers.

1. Get the organic and non organic beans and corn from any supermarket.