Composition containing chitosan or derivative thereof as well as preparation method and application of composition

The invention provides a composition containing chitosan or derivatives thereof as well as a preparation method and application of the composition. 100 parts by weight of the composition comprise 2.5-15 parts by weight of plant source acid; 5-10 parts by weight of chitosan or a derivative thereof; 0.5 part by weight of an acid solution and the balance of deionized water; the acid liquor is acetic acid, the composition is in a semi-solid or liquid state, and the pH value of the composition is 5.5-6.0. The composition provided by the invention can promote the solubility of chitosan and has high antibacterial ability. 本发明提供了一种包含壳聚糖或其衍生物的组合物及其制备方法和用途。组合物以100重量份计，包括2.5~15重量份的植物源酸；5~10重量份的壳聚糖或其衍生物；0.5重量份的酸液和余量的去离子水；所述酸液为乙酸，所述组合物呈半固体或液体状态，所述组合物的pH值为5.5~6.0。所提供的组合物可以促进壳聚糖的溶解性，并具有高的抗菌能力。