摘要
随着我国养殖业"减抗、禁抗、产品无抗"战略的实施,使用植物提取物作为饲料添加剂成为重要的研究方向.甘草多糖是一种从甘草中提取的植物多糖,提取方法包括溶剂萃取法、超声辅助萃取法、微波辅助萃取法等.甘草多糖作为天然生物大分子由阿拉伯糖、葡萄糖、半乳糖、鼠李糖、甘露糖、木糖等单糖组成,具有抗氧化、抗炎、免疫调节、抗肿瘤等多种生物学活性,在保障动物健康方面具有显著的作用.在动物饲粮中添加甘草多糖可提高其体重增长率、饲料利用率和肉品质,同时减少肠道疾病和应激对动物产生的负面影响.由于其抗炎和抗氧化作用,甘草多糖可以有效减轻动物因疾病和应激引起的炎症和损伤.本文综述了甘草多糖提取方法、生物学活性和作用机制,并探讨了其在动物生产中的应用,以期为甘草多糖在养殖中的应用提供科学依据.
Abstract
With the implementation of the strategy of"reducing antimicrobials,banning antimi-crobials,and making products antimicrobial-free"in China's aquaculture industry,the use of plant extracts as feed additives has become an important research direction.Glycyrrhiza polysac-charide is a kind of plant polysaccharide extracted from licorice,and the extraction methods in-clude solvent extraction,ultrasound-assisted extraction,and microwave-assisted extraction,etc.As natural biomolecules,Glycyrrhiza polysaccharides consist of monosaccharides such as arabi-nose,glucose,galactose,rhamnose,mannose,xylose,etc.,which have a variety of biological activities such as antioxidant,anti-inflammatory,immunomodulatory,anti-tumor and so on.It has a significant role in protecting the health of animals.The addition of Glycyrrhiza polysaccha-ride to animal diets can improve body weight growth rate,feed utilization,and meat quality,in addition reducing the negative effects on animals caused by intestinal diseases and stress.Due to its anti-inflammatory and antioxidant effects,Glycyrrhiza polysaccharide effectively reduces in-flammation and damage induced by disease and stress in animals.In this paper,the extraction methods,biological activities,and mechanisms of action of Glycyrrhiza polysaccharides were re-viewed,their applications in animal production were also discussed,in order to provide a scientif-ic basis for the application of Glycyrrhiza polysaccharides in animal breeding.
维普
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