Sketch: Definition of food additivesFood additives are non-nutritive substances that are consciously added to foods generally in small amounts to improve the appearance, flavor, tissue structure or storage properties of the food. According to this definition,…

Sketch: 1. Overview of coffee materials:It has a particularly strong bitter taste, which stimulates the central nervous system, heart and respiratory system. The right amount of caffeine can also reduce muscle fatigue and promote the secretion of digestive ju…