The main idea is the first sentence (1). The rest of the sentences support the main idea that cockroaches have some amazing characteristics.
The flavor of the food is the aroma being release during chewing. When someone smells and taste the certain food for the first time it then would be register in his or her mind making it a memory so that next time he or she will smell the certain food,automatically the body would process what was place in the memory of the specific food. This benefits the fast food industry as aroma and memory would demand sensory analysis to know the products acceptable to the customers so that they will know what to cater them.
