Tremella polysaccharide and application thereof

The invention belongs to the technical field of polysaccharide, and particularly relates to tremella polysaccharide with a structural formula shown in the specification, and further provides application of the tremella polysaccharide in preparation of skin care products, application of the tremella polysaccharide in preparation of drugs for inhibiting generation and/or growth of melanoma and the like. The tremella polysaccharide has good whitening activity and/or elastase inhibition activity, can be applied to skin care products, can also inhibit melanoma growth, and can be used for preparing medicines. 本发明属于多糖技术领域，具体涉及一种银耳多糖，其结构式为：本发明还提供了所述银耳多糖在制备护肤品中的应用、在制备抑制黑色素瘤生成和/或生长药物中的应用等。本发明的银耳多糖具有较好的美白活性和/或抑制弹性蛋白酶活性，能够在护肤品中应用，还能够抑制黑色素瘤生长，可用来制备药物。