Food additives refer to chemically synthesized or natural substances added to food for the purpose of improving the quality, color, aroma, and taste of food and for the needs of antiseptic and processing techniques. Food additives may not generally be food and may not necessarily have nutritional value, but must comply with the concept defined above, which does not affect the nutritional value of food, and has the effect of preventing spoilage of food spoilage, enhancing food sensory traits or improving food quality.

Natural pigments: natural pigments such as microbial pigments, plant pigments, and mineral pigments extracted from animals, plant tissues, and minerals, which are called natural food pigments for consumers. However, in the process of extracting pigments, problems such as low product clarity and low yield are often encountered. Using Seiko Pharmaceutical Centrifuge can effectively improve product quality, increase output and improve work efficiency.