CN117045844A - 一种含多聚糖的敷料及其制备方法和应用 - Google Patents
一种含多聚糖的敷料及其制备方法和应用 Download PDFInfo
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- CN117045844A CN117045844A CN202310953552.3A CN202310953552A CN117045844A CN 117045844 A CN117045844 A CN 117045844A CN 202310953552 A CN202310953552 A CN 202310953552A CN 117045844 A CN117045844 A CN 117045844A
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- Prior art keywords
- dressing
- ganoderma
- chitosan
- ganoderma lucidum
- wounds
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明属于生物医用敷料技术领域,公开了一种含多聚糖的敷料及其制备方法和应用。该含多聚糖的敷料,包括灵芝β‑葡聚糖、灵芝壳聚糖、甘油和卡波姆。本发明以灵芝关键活性成分灵芝β‑葡聚糖、灵芝壳聚糖为主要原料,以甘油和卡波姆为辅助原料,制得含多聚糖的敷料,该敷料能够应用于非慢性创面的覆盖和护理,如浅表性创面、Ⅰ度或浅Ⅱ度的烧烫伤创面、手术缝合创面、激光/光子/果酸换肤/微针治疗/微整形术后创面,为创面愈合提供微环境,促进创面的修复和愈合。该敷料成分简单,安全性高,能够广泛应用于制备治疗烫伤药物或非慢性创面护理产品中。
Description
技术领域
本发明属于生物医用敷料技术领域,具体涉及一种含多聚糖的敷料及其制备方法和应用。
背景技术
随着医疗科技的发展,凝胶敷料的应用越来越广泛,其具有较多明显优于传统纱布敷料的优势。作为常用的创面敷料,凝胶敷料能够吸收患者伤口的渗液,并保持创面湿润和洁净,从而为伤口提供良好的愈合环境,适用于浅表性和非慢性创面。
针对某些面部或暴露部位的非慢性创面,如浅表性创面、Ⅰ度或浅Ⅱ度的烧烫伤创面、手术缝合创面,以及激光/光子/果酸换肤/微针治疗微整形术后形成的创面,患者或使用者对敷料的修复时间和修复效果均具有更为严苛的要求,且敷料去除时不能粘连创面而对创面造成二次损伤。此外,使用者对敷料的成分安全性、使用体验感也有较高的期待。
目前,市场上的凝胶敷料主要是聚丙烯酸钠类凝胶敷料和卡拉胶类凝胶敷料,这两种凝胶敷料主要发挥了吸液和补水的作用。但这类敷料往往不具备快速愈合创面的能力,而添加药物活性成分的敷料往往成分复杂,使用者对比安全性的担忧较多。
因此,亟需提供一种作用于非慢性创面的敷料,能够快速愈合、修复创面,且其成分简单、安全可靠。
发明内容
本发明旨在至少解决上述现有技术中存在的技术问题之一。为此,本发明提出一种含多聚糖的敷料及其制备方法和应用。本发明提供的敷料,其成分简单,能够为创面愈合提供微环境,快速愈合、修复创面。
本发明提供了一种含多聚糖的敷料。
具体地,一种含多聚糖的敷料,包括灵芝β-葡聚糖、灵芝壳聚糖、甘油和卡波姆。
优选地,所述敷料还包括水,按质量份计,所述敷料包括1-5份灵芝β-葡聚糖、5-15份灵芝壳聚糖、1-5份甘油、0.1-0.5份卡波姆和70-90份水。
进一步优选地,按质量份计,所述敷料包括2-5份灵芝β-葡聚糖、5-10份灵芝壳聚糖、2-5份甘油、0.1-0.3份卡波姆和75-90份水。
优选地,所述灵芝β-葡聚糖与所述灵芝壳聚糖、所述甘油的质量比为(0.3-0.8):1:(0.2-0.8);进一步优选地,所述灵芝β-葡聚糖与所述灵芝壳聚糖、所述甘油的质量比为(0.4-0.6):1:(0.32-0.6);更优选地,所述灵芝β-葡聚糖与所述灵芝壳聚糖、所述甘油的质量比为(0.4-0.6):1:(0.45-0.6)。
优选地,所述卡波姆与灵芝壳聚糖的质量比为(0.025-0.1):1;进一步优选地,所述卡波姆与灵芝壳聚糖的质量比为(0.03-0.06):1。
优选地,所述敷料还包括pH调节剂。
优选地,所述pH调节剂选自柠檬酸、枸杞酸、苹果酸、绿原酸、棕榈酸、冰醋酸、三乙醇胺、氢氧化钠、氢氧化钾中的至少一种;进一步优选地,所述pH调节剂为三乙醇胺,选择三乙醇胺作为pH调节剂能够减少pH调节剂对灵芝β-葡聚糖、灵芝壳聚糖结构的影响,提高敷料稳定性和创面修复能力。
优选地,所述敷料还包括防腐剂。所述防腐剂选自苯甲醇、乙醇、尼泊金甲酯中的一种。进一步优选地,所述防腐剂为尼泊金甲酯,尼泊金甲酯可以有效抑制细菌、霉菌、酵母菌等微生物,起到抑制细菌生长的作用;而且还能对灵芝β-葡聚糖、灵芝壳聚糖等活性成分起到保护作用。
本发明还提供了一种含多聚糖的敷料的制备方法。
具体地,一种含多聚糖的敷料的制备方法,包括以下步骤:
将各组分混合,制得含多聚糖的敷料。
优选地,一种含多聚糖的敷料的制备方法,包括以下步骤:
将灵芝β-葡聚糖、卡波姆加入水中,混合,再加入灵芝壳聚糖和甘油,超声混合,制得含多聚糖的敷料。
当所述敷料还含有pH调节剂和防腐剂时,所述含多聚糖的敷料的制备方法,包括以下步骤:
将灵芝β-葡聚糖、卡波姆和pH调节剂加入水中,混合,再加入灵芝壳聚糖、甘油和防腐剂,超声混合,制得含多聚糖的敷料。
本发明还提供了一种含多聚糖的敷料的应用。
具体地,上述含多聚糖的敷料在制备治疗烫伤药物中应用。
具体地,上述含多聚糖的敷料在制备非慢性创面护理产品中应用。
本发明还提供了一种烫伤药物。
具体地,一种烫伤药物包含上述含多聚糖的敷料。
本发明还提供了一种非慢性创面护理产品。
具体地,一种非慢性创面护理产品,包含上述含多聚糖的敷料和承载所述敷料的医用无纺布。
相比现有技术,本发明的有益效果在于:
(1)本发明以灵芝关键活性成分灵芝β-葡聚糖、灵芝壳聚糖为主要原料,以甘油和卡波姆为辅助原料,制得含多聚糖的敷料,所述敷料能够应用于非慢性创面(如浅表性创面、Ⅰ度或浅Ⅱ度的烧烫伤创面、手术缝合创面、激光/光子/果酸换肤/微针治疗/微整形术后创面)的覆盖和护理,为创面愈合提供微环境,促进创面的修复和愈合。其中,灵芝β-葡聚糖含抗炎症细胞因子,对逆转炎症过程起着必要的作用;灵芝壳聚糖具有抑菌、止血、止痛、促进伤口愈合以及减少瘢痕产生等作用,甘油能够为干燥结痂的创面保住水分,促进自溶性清创和外源性清创作用,令创面保持适当的湿润状态,有效避免创口组织干性坏死;卡波姆具有调节产品粘稠度以及在皮肤表面成膜吸收组织渗出液的作用。四者合用,能够有效防止创面发炎,提高组织再生能力,加快创面愈合。
(2)本发明提供的含多聚糖的敷料,其成分简单、安全性高,能够广泛应用于制备治疗烫伤药物或非慢性创面护理产品中。
附图说明
图1为小鼠创口愈合实验中创口愈合效果图;
图2为大鼠深II度烫伤愈合实验中创面情况图。
具体实施方式
为了让本领域技术人员更加清楚明白本发明所述技术方案,现列举以下实施例进行说明。需要指出的是,以下实施例对本发明要求的保护范围不构成限制作用。
以下实施例和对比例中所用的灵芝β-葡聚糖和灵芝壳聚糖购买于Draco NaturalProducts,Inc.,其余所用的原料、试剂或装置如无特殊说明,均可从常规商业途径得到,或者可以通过现有已知方法得到。
实施例1
一种含多聚糖的敷料,按质量份计,包括3.5份灵芝β-葡聚糖、6份灵芝壳聚糖、3份甘油、0.25份卡波姆、0.15份三乙醇胺、0.3份尼泊金甲酯和86.8份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将灵芝β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
实施例2
一种含多聚糖的敷料,按质量份计,包括3份灵芝β-葡聚糖、6份灵芝壳聚糖、3.6份甘油、0.3份卡波姆、0.15份三乙醇胺、0.3份尼泊金甲酯和86.65份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将灵芝β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
实施例3
一种含多聚糖的敷料,按质量份计,包括2份灵芝β-葡聚糖、8份灵芝壳聚糖、3份甘油、0.25份卡波姆、0.15份三乙醇胺、0.3份尼泊金甲酯和86.3份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将灵芝β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
实施例4
一种含多聚糖的敷料,按质量份计,包括3.5份灵芝β-葡聚糖、6份灵芝壳聚糖、3份甘油、0.25份卡波姆、0.15份三乙醇胺、0.3份苯甲醇和86.8份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将灵芝β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和苯甲醇,于超声振荡器中混合均匀,制得含多聚糖的敷料。
对比例1
一种含多聚糖的敷料,按质量份计,包括3.5份燕麦β-葡聚糖、6份灵芝壳聚糖、3份甘油、0.25份卡波姆、0.15份三乙醇胺、0.3份尼泊金甲酯和86.8份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将燕麦β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
对比例2
一种含多聚糖的敷料,按质量份计,包括3.5份酵母β-葡聚糖、6份灵芝壳聚糖、3份甘油、0.25份卡波姆、0.15份三乙醇胺、0.3份尼泊金甲酯和86.8份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将酵母β-葡聚糖、卡波姆和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
对比例3
一种含多聚糖的敷料,按质量份计,包括3.5份灵芝β-葡聚糖、6份灵芝壳聚糖、3份甘油、0.25份卡拉胶、0.15份三乙醇胺、0.3份尼泊金甲酯和86.8份去离子水。
一种含多聚糖的敷料的制备方法,包括以下步骤:将灵芝β-葡聚糖、卡拉胶和三乙醇胺加入去离子水水中,初步混合,再加入灵芝壳聚糖、甘油和尼泊金甲酯,于超声振荡器中混合均匀,制得含多聚糖的敷料。
应用例1
一种非慢性创面护理产品,包含实施例1制备的含多聚糖的敷料和承载所述敷料的医用无纺布。其具体做法如下:将医用无纺布浸透于实施例1制备的敷料中,超声一段时间后取出,并进行冷冻干燥,制得非慢性创面护理产品。
产品效果测试
1.小鼠创口愈合实验
通过对局部皮肤愈合的观察,评价供试品对接触组织的潜在愈合性做出评定。方法:SPF级小鼠,雌性,48只。检疫结束后,在无菌条件下在麻醉小鼠背部切除皮肤造成1个2.0cm*1.0cm的全层皮肤缺损创口,深度以达到筋膜,可见受损组织渗漏组织液为准,诱导皮肤创口模型,拍摄创口照片,记录创口面积,此时为面积d0。将模型小鼠随机分为模型对照组、实施例1组、实施例2组、实施例3组、实施例4组、对比例1组、对比例2组和对比例3组,6只/组。各组小鼠的创口分别涂抹相应的受试样品,模型对照组小鼠给予等量的生理盐水处理,每天1次,连续涂抹15天。于第3天、第6天、第9天、第12天和第15天对小鼠创口进行拍照(加标尺)和测量,使用软件来测量创口面积,创口面积分别记为面积d3、面积d6、面积d9、面积d12和面积d15。
每天涂抹给予受试样品,术后第0天、第3天、第6天、第9天、第12天、第15天,观察创口颜色变化、渗出物,肉芽组织、生长情况、上皮生长情况,评价创口愈合效果,计算创口收缩率(%)。
创口愈合率(%)=(面积d0-面积dn)/面积d0×100%;
其中,面积dn为面积d3、面积d6、面积d9、面积d12和面积d15。
所有数据采用(x±s)表示,应用SPSS21.0软件进行统计分析;采用单因素方差分析(One-Way ANOVA)进行统计学分析。测试结果如表1所示。
表1创口愈合率(%)
由表1可知,实施例以对比例提供的敷料对早期创口均有促进愈合的作用,实施例1的愈合作用最为明显(创口愈合效果图如图1所示),实施例1-4提供的敷料对创口的愈合能力明显优于对比例1-3。其中实施例3中灵芝β-葡聚糖和灵芝壳聚糖的总量与实施例1相当,但因配比不同,其效果略差于实施例1。实施例4将尼泊金甲酯替换为苯甲醇后,其效果也略有变差。虽然苯甲醇与尼泊金甲酯均为防腐剂,但是发明人发现尼泊金甲酯不仅能够起到抑菌防腐的作用,其还能对灵芝β-葡聚糖和灵芝壳聚糖起到保护作用,有利于提高中期创口愈合率。对比例1、2中将灵芝β-葡聚糖分别替换为燕麦β-葡聚糖和酵母β-葡聚糖后,虽均具有一定促进创口愈合的能力,但其效果明显不如实施例1。这可能与灵芝β-葡聚糖特殊的链构象或支化度有关,灵芝壳聚糖与灵芝β-葡聚糖共同作用才能起到显著促进创口愈合效果。对比例3将卡波姆替换为卡拉胶,其效果明显不如实施例1,尤其在前期不能较好地促进创口愈合,卡拉胶与卡波姆虽均能作为增稠剂,且卡拉胶中硫酸多糖结构能对表面有糖分子的病毒进行物理阻隔,对病毒具有抑制作用,但卡拉胶与灵芝β-葡聚糖、灵芝壳聚糖的配合作用不如卡波姆。卡波姆与皮肤具有良好亲和力,在皮肤表面成膜吸收组织渗出液,与灵芝β-葡聚糖、灵芝壳聚糖搭配使用,能够促进灵芝β-葡聚糖和灵芝壳聚糖对皮肤的愈合作用,减少敷料对皮肤的刺激性,提高使用者的使用体验感。
2.大鼠深II度烫伤愈合实验
将实施例1制备的含多聚糖的敷料应用于大鼠深II度烫伤愈合实验中,大鼠深II度烫伤模型制备及分组治疗:采用大鼠作为试验动物,制作大鼠烧烫伤模型,评价实施例1制备的含多聚糖的敷料对烧烫伤创面的促进愈合作用。试验大鼠12只,雌雄各半,体重200g±10,分为对照组、实验组,每组6只。将大鼠背部用脱毛膏脱毛,生理盐水擦拭干净,腹腔注射3%戊巴比妥钠麻醉。采用相同的方法制作大鼠深II度烫伤溃疡模型。在烫伤结束时用无菌刀片刮除烫伤处表面皮层,生理盐水将创面擦拭干净。对照组大鼠的烫伤创面不做治疗处理,实验组在大鼠烫伤创面贴附应用例1制备的非慢性创面护理产品,每天观察创面愈合情况,每2d更换非慢性创面护理产品。
大鼠深II度烫伤溃疡创面愈合情况:烫伤后1d,对照组创面泛红,有组织液渗出;实验组敷料与创面粘合,无明显组织液渗出,小心打开非慢性创面护理产品,护理产品易脱落,不易粘连创面,创面只有轻微泛红,对照组和实验组大鼠的创面情况如图2所示。烫伤后5d,对照组形成痂皮,但未结痂完全;实验组结痂完全,且外周痂皮开始剥脱。烫伤后10d,对照组创面痂皮坚硬且颜色暗红,组痂皮外围溶解;实验组大部分痂皮脱落,形成新的皮肤,创面开始愈合。实验结果显示,本发明实施例1制备的含多聚糖的敷料能够显著缩短大鼠深II度烫伤创面的愈合时间。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (10)
1.一种含多聚糖的敷料,其特征在于,包括灵芝β-葡聚糖、灵芝壳聚糖、甘油和卡波姆。
2.根据权利要求1所述的敷料,其特征在于,所述敷料还包括水,按质量份计,所述敷料包括1-5份灵芝β-葡聚糖、5-15份灵芝壳聚糖、1-5份甘油、0.1-0.5份卡波姆和70-90份水。
3.根据权利要求1或2所述的敷料,其特征在于,所述灵芝β-葡聚糖与所述灵芝壳聚糖、所述甘油的质量比为(0.3-0.8):1:(0.2-0.8);优选地,所述灵芝β-葡聚糖与所述灵芝壳聚糖、所述甘油的质量比为(0.4-0.6):1:(0.32-0.6)。
4.根据权利要求3所述的敷料,其特征在于,所述卡波姆与灵芝壳聚糖的质量比为(0.025-0.1):1。
5.根据权利要求1或2所述的敷料,其特征在于,所述敷料还包括pH调节剂和/或防腐剂。
6.根据权利要求5所述的敷料,其特征在于,所述pH调节剂选自柠檬酸、枸杞酸、苹果酸、绿原酸、棕榈酸、冰醋酸、三乙醇胺、氢氧化钠、氢氧化钾中的至少一种。
7.权利要求1-6中任一项所述的含多聚糖的敷料的制备方法,其特征在于,包括以下步骤:
将各组分混合,制得含多聚糖的敷料。
8.权利要求1-6中任一项所述的含多聚糖的敷料在制备治疗烫伤药物或非慢性创面护理产品中应用。
9.一种烫伤药物,其特征在于,包含权利要求1-6中任一项所述的含多聚糖的敷料。
10.一种非慢性创面护理产品,其特征在于,包含权利要求1-6中任一项所述的含多聚糖的敷料和承载所述敷料的医用无纺布。
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