Turmeric (Curcuma longa L.), a perennial herbaceous plant in the ginger family, is used to treat chest and rib pain, rheumatic pain, and other ailments. As an important medicinal and edible dual-use variety, turmeric has a wide range of applications, covering various fields such as medicine, food, health products, cosmetics, dyes, pesticides, etc. The main active ingredients of turmeric are volatile oil and curcumin compounds. Curcumin is a natural polyphenolic substance with various biological activities such as anti-inflammatory, anticancer, and antioxidant. It has been well applied in industries such as food and feed. For example, it can be used as a coloring agent and preservative in food, and can replace antibiotics in the feed industry. It has a positive effect on improving the survival rate and meat quality of animals such as poultry, livestock, and fish....