Pericarpium granati extract composite additive as well as preparation method and application thereof

The invention discloses a pomegranate peel extract composite additive as well as a preparation method and application thereof, and belongs to the technical field of feed additives. The pomegranate rind extract composite additive comprises the following raw materials in percentage by mass: 30-50% of pomegranate rind extract, 15-20% of rheum officinale, 15-20% of coptis chinensis, 10-15% of golden cypress and 10-15% of andrographis paniculata. The additive can improve the growth performance, the antioxidant state, the immune function, the stress response and the muscle quality of tilapia mossambica. 本发明公开了一种石榴皮提取物复合添加剂及其制备方法和应用，属于饲料添加剂技术领域。该石榴皮提取物复合添加剂包括以下质量百分比的原料：石榴皮提取物30-50％，大黄15-20％，黄连15-20％，黄柏10-15％，穿心莲10-15％。该添加剂可以提高罗非鱼的生长性能、抗氧化状态、免疫功能、应激反应和肌肉品质。