We live in a world where things are expected. The existence of quality control and quality assurance to convince the consumer how food products are carefully manufactured and safe to be consumed. Our role as a food technologist is to ensure the food product is consistently similar in appearance and quality. This statement holds true even if food additives are needed. So, that the consumer wouldn't notice the difference. However, as consumers are more knowledgeable, they notice something else- the labels. The labels are full of food additives that they didn't know and they begin to wonder what has been added to their food.
Food product doesn't exist on their own. They come from raw ingredients. This raw ingredient varies from one batch to another. The universe doesn't provide a consistent same quality food harvest, unless you harvest it from the lab where all environmental factors are controlled (For example, lab-grown-meat). Food harvested varies from one batch to another, primarily due to the difference in season, type of soil or environment and size.
This raw ingredient undergoes processing to turn into the food products that we see in our market place. What goes in between being the most interesting and doubtful part. Processing transform raw ingredient into food products. Often, food additives such as coloring agent, flavoring agent, emulsifier, and stabilizer are added to give a consistent quality. Imagine the following
In part 2, discover more about how processing technologies and essential food additives that you never would regard it as one to make our common food.
(Also published on http://admiringfoodproducts.blogspot.com/2013/05/variation-argument-for-food-products.html)