To improve & maintain the quality of food served-
1. Ensure the raw food is properly harvested like sorting, grading and give it utmost post harvest treatment.
2. When this stored raw food reach to manufacturing line ensure there should be quality control panel which strictly look over the standards of quality at processing line. It helps to alter in food processing to standard & appealable quality.
3. If u r serving fresh then check it & test it, before getting any bad experience.