Volume 2,Issue 1
Fall 2025
马尾藻多糖/ 海藻酸钠水凝胶球的制备及保湿性和抑菌性研究
为了有效发挥马尾藻多糖(sargassum polysaccharide, SP)的保湿抑菌性能,拓宽马尾藻多糖的开发应用。本研究以吸附乳酸链球菌素能力为指标,通过单因素及响应面实验进行优化,制备了一种高保湿性、强抑菌性的马尾藻多糖/海藻酸钠(sodium alginate, SA)复合水凝胶球,并对其进行了扫描电镜、红外光谱和差式扫描量热等结构分析,同时对凝胶球的保湿和抑菌性能进行了评定。实验结果发现:交联剂浓度3.5%、制备温度33 ℃,配比SP: SA=1:1时为SP/SA水凝胶球制备的最佳条件,此时凝胶球的内部结构疏松、SP成功包埋在凝胶球中、48 h保湿率为78.48±1.04%,24 h产生抑菌圈大小为11±0.5 mm。因此本研究制备的具有较高保湿性和较强抑菌性的SP/SA水凝胶球,可作为一种绿色的保湿抑菌材料,能为化妆品保湿和食品保鲜等领域提供参考。
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