what is EDTA and why is it added to salad dressings and many other processed food stuffs?

EDTA is ethylenediaminetetraacetic acid. It is used in food to reduce discolouration due to oxidation by the air.

For the structure and more info see:

http://en.wikipedia.org/wiki/Ethylenediaminetetraacetic_acid

EDTA, or ethylenediaminetetraacetic acid, is a chemical compound commonly used as a food additive. It is added to salad dressings and many other processed food products for several reasons.

EDTA is a chelating agent, which means it can bind and remove metallic ions from food. It forms stable complexes with metal ions like calcium, magnesium, iron, and copper. By binding to these metal ions, EDTA helps to preserve the color, flavor, and texture of the food.

Here's how to get the answer to your question:

1. Search for "EDTA in food" or "EDTA food additive" on a search engine like Google.
2. Look for reliable sources such as government websites, scientific articles, or reputable health organizations.
3. Read the information provided by these sources to understand the purpose of EDTA in food products.

Typically, EDTA is added to food products to prevent quality deterioration caused by oxidation or other chemical reactions involving metal ions. It helps to maintain the visual appeal and sensory characteristics of the food.

Please note that while EDTA is generally recognized as safe by regulatory authorities, excessive consumption can have health implications. It is always recommended to moderate your intake of processed foods and maintain a balanced diet.