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Veggie & Fruit Freshness
Purchase The EGG
Drop a EGG into to each produce bin in your fridge and you are on your way to saving money and having a constant supply of of fresh Fruit and Veggies!

How The EGG Keeps Produce Fresh
The EGG removes the gas that accumulates in your Fridge, gases that make your produce age prematurely. more

Keep Produce Fresh
A number of storage conditions that can affect the life of produce, including temperature, humidity and, of course, the gas that our EGG absorbs. more
Produce and Your Health
Fruits and vegetables can materially reduce our risk of getting a variety of diseases. more
Produce and the Environment
The EGG is environmentally friendly in two ways: Most discarded produce sits in a landfill for generations. Produce directly converts the sunís energy & less processing uses less resources. more

HOW THE EGG WORKS

The ethylene molecule is very reactive and is readily oxidized into a state that will not do damage to produce. There are several ways that may be used to remove ethylene from produce storage areas. One of the simplest and safest methods is to oxidize it with potassium permanganate. (For those of you who, like me, enjoy chemistry, a link to the reaction is given at the bottom of this page). This reaction can remove ethylene to very low levels. Potassium permanganate (KMnO4) is used in a number of familiar applications, such as in drinking water treatment systems.

Substrate
Since we have chosen to use potassium permanganate as our oxidizer, we need to choose a way to make it the most available for reacting with the ethylene gas in our refrigerator. We need a support medium that will allow the ethylene to contact the oxidizer so it may be reacted away. Industry does this in several ways, or course, but for the home refrigerator application we like the use of natural zeolite. Zeolite is a pure form of volcanic ash that has a very high surface area, providing an ideal substrate for the ethylene oxidation to occur.

Natural zeolite is often used as an odor absorber and a humidity stabilizer in refrigeratores, closets, and automobiles. The very high surface area traps odor molecules and absorbs water when humidity is too high - releasing it back into the atmosphere when it gets too dry. Of course, the zeolite used in the Ethylene Gas Guardian serves those purposes, but its function as a support medium for removing ethylene is its main purpose.

The zeolite used in the E.G.G. is from an exceptionally high quality deposit. After the crushing and grading of the zeolite, there are no fines and virtually no dusting. The potassium permanganate is applied to the zeolite using a patented process that lays the active chemical on the surface uniformly all the way to the center of the zeolite. The resulting product has the highest reactive chemical, 6%, and the best cationic exchange capacity of any in the industry.

Packets
The KMnO4 coated zeolite is then packaged in Tyvek packets that are water resistant, but are highly permeable to ethylene. It contains the zeolite and prevents any fines from getting out of the eggs and onto your produce. Although the contents are not harmful, they can be colorful, making the produce less attractive to eat.

Egg Man

"Eggs"
A very important feature in the Ethylene Gas Guardian is its egg design.
In order to maintain the very low concentrations of ethylene necessary to protect the produce in your refrigerator, there has to be a lot of contact between the air and the potassium permanganate. If the zeolite packet were dropped into your produce crisper as is, it would quickly find its way to the bottom of the drawer.

The vented egg design prevents cutting off the circulation that is required for effectiveness from happening.
It is unlikely that anything could inadvertently fall onto the egg that would totally restrict air flow. Ideally, the eggs should be placed in separate drawers to further limit the possibility that restricted air flow would reduce its effectiveness. By having two points of possible contact between the ethylene in the air and the KMnO4 on the zeolite, the lowest possible level of ethylene can be maintained.

A very important feature in the Ethylene Gas Guardianis its egg design

Time for Replacement
The reaction between the ethylene and potassium permanganate oxidizes the ethylene away and, or course, reduces the potassium permanganate away, too. The amount of potassium permanganate available will last at least 3 months in most home refrigerators. After 3 months you should replace the E.G.G., or the packets inside the egg. Refill packets are available.

Don't throw the spent zeolite away !

We recommend that you put the spent zeolite on your plants. The zeolite is a natural soil and the MnO2 provides trace minerals to the soil. Your plants will love it.

 

 

  
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