CN103120642B - 一种用于皮肤疾患的凝胶及其制备方法 - Google Patents

一种用于皮肤疾患的凝胶及其制备方法 Download PDF

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CN103120642B
CN103120642B CN201210556522.0A CN201210556522A CN103120642B CN 103120642 B CN103120642 B CN 103120642B CN 201210556522 A CN201210556522 A CN 201210556522A CN 103120642 B CN103120642 B CN 103120642B
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carboxymethyl chitosan
glycerol
purified water
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CN103120642A (zh
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聂开品
黄昌平
郑茂鑫
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GUIZHOU YANGSHENG MEDICAL INSTRUMENT CO Ltd
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Abstract

本发明公开了一种用于皮肤疾患的凝胶,该凝胶是以羧甲基壳聚糖为主要活性成分配制的,其原料有:羧甲基壳聚糖、硬脂酸、单硬脂酸丙三醇酯、碳酸钾、三乙醇胺、丙三醇、丹皮酚和纯化水。制法包括:①称料;②取由硬脂酸、碳酸钾、单硬脂酸丙三醇脂、三乙醇胺、丙三醇、纯化水制成的基质,加热;③接着加入丹皮酚,搅拌均匀,得到软膏;④将羧甲基壳聚糖加入纯化水,搅拌使其溶解,之后加入软膏中;⑤缓慢搅拌使成凝胶,即得成品。本发明的凝胶有杀菌、消炎、止痒、减少疤痕、润肤护肤的作用;具有稳定性好,杀菌效果佳、使用方便的优点,适用于寻常性痤疮、皮肤湿疹、光敏性皮炎等皮肤疾患。

Description

一种用于皮肤疾患的凝胶及其制备方法
技术领域
本发明涉及医用敷料,特别涉及含有壳聚糖衍生物凝胶的敷料,具体来说,涉及用于皮肤疾患的凝胶。
背景技术
壳聚糖(chitosan)是自然界中唯一的带正电荷的支链多糖,具有抗菌,抗肿瘤,增强免疫等功能,具有良好的生物相容性,且无刺激性、无毒副作用,由于2-NH2的存在,壳聚糖具有一定的抑菌功能,但抑菌性能有限,且受到壳聚糖分子量、脱乙酰度等条件的影响。在壳聚糖分子链上接枝季铵盐后可显著提高其抑菌性能。壳聚糖作为一种天然聚阳离子,容易在细胞壁处积聚,阻止营养物质通过细胞壁进入细胞,使细胞衰竭死亡;而低分子壳聚糖则能够阻碍DNA向RNA的转录,影响细菌的生长繁殖,从而产生抗菌作用。壳聚糖也具有杀菌作用,在酸性条件下,壳聚糖分子中的氨基带有正电荷,成为NH3+,吸附带有负电荷的细菌,使细菌细胞壁和细胞膜上的负电荷分布不均,干扰细胞壁的合成,打破在自然状态下的细胞壁合成与溶解平衡,使细胞壁趋向于溶解,细肥膜因不能承受渗透压而变形破裂,细胞的内容物如水、蛋白质等渗出,发生细菌溶解而死亡。
羧甲基壳聚糖是一种水溶性壳聚糖衍生物,有许多特性,其抗菌性强,具有保鲜作用,是一种两性聚电解质。在医药方面有多种应用,也是重要的壳聚糖衍生物之一,其杀菌机理与壳聚糖相同。
中国专利数据库中,已有涉及治疗皮肤疾患的凝胶专利申请件,例如200410010849.3号《含药物、壳聚糖的聚乙烯醇水凝胶敷料及其制备方法》、200810016256.6号《壳聚糖纳米银凝胶剂及其应用》、200980109724.7号《皮肤病学使用的壳聚糖凝胶、其制备方法及其用途》、201010231258.4号《一种具有DN-L结构的增强生物水凝胶及其制备方法》、201110024696.8号《微米级Ag2O2掺杂壳聚糖水凝胶抗菌辅料的制备方法》等。但迄今为止,尚无羧甲基壳聚糖为主要活性成分的用于皮肤疾患的凝胶申请件。
发明内容
本发明的目的是提供一种用于皮肤疾患的凝胶,它以羧甲基壳聚糖为主要活性成分,其稳定性好,杀菌效果佳,使之为人类健康服务。
本发明的又一目的是提供上述用于皮肤疾患的凝胶的制备方法,使之能够实现临床的实际应用。
发明人提供的用于皮肤疾患的凝胶,以羧甲基壳聚糖为主要活性成分,其100%凝胶的原料质量配比如下:
羧甲基壳聚糖           1.5%~5%
        硬脂酸                 1.8%~10%
        单硬脂酸丙三醇酯       0.4%~5%
        碳酸钾                 0.15%~4%
        三乙醇胺               0.05%~1.3%
        丙三醇                 1.7%~25.0%
        丹皮酚                 3%~12%
    纯化水                 余量。
发明人提供的用于皮肤疾患的凝胶的制备方法,包括以下步骤:
① 按照原料质量配比称料,备用;
② 取由硬脂酸、碳酸钾、单硬脂酸丙三醇脂、三乙醇胺、丙三醇、部分纯化水制成的基质,加热;
③ 接着加入丹皮酚,搅拌均匀,得到软膏;
④ 将羧甲基壳聚糖加入剩余的纯化水,搅拌使其溶解,之后加入上一步的软膏中;
⑤ 最后缓慢搅拌使成凝胶,即得成品。
上述第②步中,所述基质的加热温度控制在50℃~85℃。
本发明提供的用于皮肤疾患的凝胶中的羧甲基壳聚糖起消毒杀菌、促进愈合的作用,硬脂酸和碳酸钾用于调节pH值,硬脂酸还起乳化作用,单硬脂酸丙三醇酯也起乳化作用;三乙醇胺是表面活性剂,用于增稠和保湿;丙三醇起调合及保湿作用;丹皮酚起具有镇痛、抗炎、解热和抑制变态反应的作用;纯化水为稀释剂。因此,本发明的凝胶有杀菌、消炎、止痒、减少疤痕、润肤护肤的作用;具有稳定性好,杀菌效果佳、使用方便的优点,适用于寻常性痤疮、皮肤湿疹、光敏性皮炎等皮肤疾患。
具体实施方式
通过下列实施例详细说明本发明的具体实施方式 
实施例l   按照下列原料质量称量配料:羧甲基壳聚糖1.5g,硬脂酸1.8g,单硬脂酸丙三醇酯0.4g,碳酸钾0.15g,三乙醇胺0.05g,丙三醇1.7g,丹皮酚3g,纯化水91.4g。制法是:取由硬脂酸、碳酸钾、单硬脂酸丙三醇脂、三乙醇胺、丙三醇、部分纯化水制成的基质,加热;接着加入丹皮酚,搅拌均匀,得到软膏;将羧甲基壳聚糖加入剩余的纯化水,搅拌使其溶解,之后加入软膏中;最后缓慢搅拌使成凝胶,即得成品。
实施例2  按照下列原料质量称量配料:羧甲基壳聚糖3.5g,硬脂酸8g,单硬脂酸丙三醇酯3g,碳酸钾1.5g,三乙醇胺0.5g,丙三醇17g,丹皮酚4.5g,纯化水62g。制法同实施例1,得到用于皮肤疾患的凝胶产品。
    实施例3  按照下列原料质量称量配料:羧甲基壳聚糖5g,硬脂酸10g,单硬脂酸丙三醇酯5g,碳酸钾4g,三乙醇胺1.3g,丙三醇25g,丹皮酚12g,纯化水37.7g。制法同实施例1,得到用于皮肤疾患的凝胶产品。

Claims (3)

1.一种用于皮肤疾患的凝胶,其特征在于它是以羧甲基壳聚糖为主要活性成分配制的,其100%凝胶的原料质量配比如下:
羧甲基壳聚糖           1.5%~5%
        硬脂酸                 1.8%~10%
        单硬脂酸丙三醇酯       0.4%~5%
        碳酸钾                 0.15%~4%
        三乙醇胺               0.05%~1.3%
        丙三醇                 1.7%~25.0%
        丹皮酚                 3%~12%
    纯化水                 余量。
2.制备权利要求1所述用于皮肤疾患的凝胶的方法,其特征包括以下步骤:
① 按照原料质量配比称料,备用;
② 取由硬脂酸、碳酸钾、单硬脂酸丙三醇酯、三乙醇胺、丙三醇、部分纯化水制成的基质,加热;
③ 接着加入丹皮酚,搅拌均匀,得到软膏;
④ 将羧甲基壳聚糖加入剩余的纯化水,搅拌使其溶解,之后加入上一步的软膏中;
⑤ 最后缓慢搅拌使成凝胶,即得成品。
3.如权利要求2所述的方法,其特征在于第②步中,所述基质的加热温度控制在50℃~85℃。
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CN103877288B (zh) * 2014-04-16 2016-01-20 广西信业生物技术有限公司 一种壳聚糖鼻咽生物医用膜及其制备方法
CN109464693A (zh) * 2018-12-26 2019-03-15 佳木斯大学 一种皮肤用生物医用材料及其制备方法
CN110652533A (zh) * 2019-11-19 2020-01-07 广州倍健医疗用品有限公司 一种抑菌组合物及其应用

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CN1817342A (zh) * 2005-10-01 2006-08-16 合肥立方制药有限公司 丹皮酚凝胶及其制备方法、质量控制技术
CN102755662A (zh) * 2012-07-25 2012-10-31 福州乾正药业有限公司 一种复合壳聚糖凝胶膜及其制备方法

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CN1817342A (zh) * 2005-10-01 2006-08-16 合肥立方制药有限公司 丹皮酚凝胶及其制备方法、质量控制技术
CN102755662A (zh) * 2012-07-25 2012-10-31 福州乾正药业有限公司 一种复合壳聚糖凝胶膜及其制备方法

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