CN111820406B - 多肽白藜芦醇制剂及其制备方法和应用以及包含其的保健品或药物组合物 - Google Patents
多肽白藜芦醇制剂及其制备方法和应用以及包含其的保健品或药物组合物 Download PDFInfo
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Abstract
本发明属于营养保健技术领域,具体涉及到一种多肽白藜芦醇制剂及其制备方法和应用以及包含其的保健品或药物组合物。本发明多肽白藜芦醇制剂是以多肽、水溶性淀粉、两亲性短链寡肽、白藜芦醇为基础原料制得,具有较高的抗氧化性,稳定性,有效负载量。
Description
技术领域
本发明属于营养保健技术领域,具体涉及到一种多肽白藜芦醇制剂及其制备方法和应用以及包含其的保健品或药物组合物。
背景技术
白藜芦醇是一种非黄酮类多酚化合物,是许多植物受到刺激时产生的一种抗毒素。可在葡萄叶及葡萄皮中合成,是葡萄酒和葡萄汁中的生物活性成分。口服容易吸收,代谢后通过尿液及粪便排出。体外实验及动物实验表明,白藜芦醇有抗氧化、抗炎、抗癌及心血管保护等作用。
由于白藜芦醇所具有的特殊的生物活性,人们对它的开发利用日益深入,在食品加工、保健行业以及医药领域都得到了广泛的应用。据估计,白藜芦醇制剂的销售在未来将形成巨大的产业,其市场前景很被看好。
但是需要注意的是白藜芦醇是一种极易被氧化的物质,在口服的过程中经过口腔、咽喉胃肠等容易氧化,生物利用率低。
发明内容
为了解决上述现有技术存在的问题,本发明提供了一种多肽白藜芦醇制剂及其制备方法,并且提供了包含其的保健品或药物组合物。
本发明通过一下技术方案来实现:
一种多肽白藜芦醇制剂,原料包括以下成分:多肽、水溶性淀粉、两亲性短链寡肽、白藜芦醇;
进一步的,所述的多肽白藜芦醇制剂由以下重量份的原料制得:多肽2-4份、水溶性淀粉2-4份、两亲性短链寡肽2-3份、白藜芦醇1份;
进一步的,所述的两亲性短链寡肽为丝氨酰-天冬氨酰-谷氨酸。
本发明还提供了上述多肽白藜芦醇制剂的制备方法,步骤如下:
S1、将白藜芦醇、两亲性短链寡肽溶于有机溶剂中,0℃下加入吡啶类有机碱催化反应20-30分钟,然后常温静置12-16小时,再加入pH为0.5-1的盐酸溶液进行分层3-5小时,取油相层a;
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与多肽混合加入到磷酸缓冲盐溶液(PBS)中搅拌6-12小时,最后过滤干燥得到固态物b;
S3、将固态物b与水溶性淀粉混合制粒,即得。
进一步的,所述的有机溶剂为甲基叔丁基醚,用量为白藜芦醇重量的2000-3000倍。
本发明还公开了多肽白藜芦醇制剂应用在具有抗氧化功能的保健品或药物组合物中。
本发明还公开了一种包含上述多肽白藜芦醇制剂的保健品。
本发明还公开了一种包含上述多肽白藜芦醇制剂的药物组合物。
与现有技术相比,本发明具有以下优点:
1.本发明制得的多肽白藜芦醇制剂稳定性好,并且白藜芦醇的负载量高。
2.采用两亲性短链寡肽与白藜芦醇进行初步结合,提高白藜芦醇的稳定性效果。
具体实施方式
本发明通过以下实施例进行进一步的说明,使本领域的技术人员对本发明技术方案进行进一步的了解。
需要说明的是本发明使用的多肽均为天然蛋白经过酶分解后的产物(氨基酸个数多在15-50个之间),为了使本发明得到充分公开,本发明的多肽制备方法为(不对本发明进行保护范围的限定):以下蛋白酶:CAS登录号9014-01-1;
多肽制备:将100g鱼肉剔骨,加入100g蒸馏水搅拌均匀后加入氢氧化钠粉末分解,其中氢氧化钠在混合物中的浓度为0.1mol/L,浸泡2h,过滤得到滤液然后加入盐酸溶液使酸碱性控制在中性左右,离心去除上清液加入1g蛋白酶于38℃条件下保温12h后,最后加入2mol/LNaCl溶液至溶液最终浓度为2mol/L,同时析出絮状沉淀,4℃条件下5000r/min离心20min,加水溶解去除不溶物(筛选得到两亲和水溶性多肽),干燥即得。
实施例1一种多肽白藜芦醇制剂
制备方法步骤如下:
S1、将1g白藜芦醇、2.5g两亲性短链寡肽溶于2500g中甲基叔丁基醚,0℃下加入0.4g4-二甲氨基吡啶(DMAP)催化反应25分钟,然后常温静置14小时,再加入pH为0.8的盐酸溶液进行分层4小时,加入量为使水相酸碱性接近中性(6.9),取油相层a;所述的两亲性短链寡肽为丝氨酰-天冬氨酰-谷氨酸。
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与3g多肽混合加入到500g的磷酸缓冲盐溶液(PBS)中搅拌10小时,最后过滤干燥得到固态物b;
S3、将固态物b与3g水溶性淀粉混合制粒,即得。
实施例2一种多肽白藜芦醇制剂
制备方法步骤如下:
S1、将1g白藜芦醇、2g两亲性短链寡肽溶于2000g中甲基叔丁基醚,0℃下加入0.3g4-二甲氨基吡啶(DMAP)催化反应30分钟,然后常温静置16小时,再加入pH为0.5的盐酸溶液进行分层5小时,加入量为使水相酸碱性接近中性(6.8),取油相层a;所述的两亲性短链寡肽为丝氨酰-天冬氨酰-谷氨酸。
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与4g多肽混合加入到400g的磷酸缓冲盐溶液(PBS)中搅拌6小时,最后过滤干燥得到固态物b;
S3、将固态物b与4g水溶性淀粉混合制粒,即得。
实施例3一种多肽白藜芦醇制剂
制备方法步骤如下:
S1、将1g白藜芦醇、3g两亲性短链寡肽溶于3000g中甲基叔丁基醚,0℃下加入0.5g4-二甲氨基吡啶(DMAP)催化反应20分钟,然后常温静置12小时,再加入pH为1的盐酸溶液进行分层3小时,加入量为使水相酸碱性接近中性7.0,取油相层a;所述的两亲性短链寡肽为丝氨酰-天冬氨酰-谷氨酸。
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与2g多肽混合加入到600g的磷酸缓冲盐溶液(PBS)中搅拌12小时,最后过滤干燥得到固态物b;
S3、将固态物b与2g水溶性淀粉混合制粒,即得。
对比例1一种多肽白藜芦醇制剂
与实施例1的区别是,去掉丝氨酰-天冬氨酰-谷氨酸原料;
制备方法步骤如下:S1、将1g与5.5g多肽混合加入到500g的磷酸缓冲盐溶液(PBS)中搅拌10小时,最后过滤干燥得到固态物b;
S3、将固态物b与3g水溶性淀粉混合制粒,即得。
对比例2一种多肽白藜芦醇制剂
与实施例1的区别是直接将原料混合,制备方法步骤如下:S1、将1g、2.5g两亲性短链寡肽与3g多肽混合加入到500g的磷酸缓冲盐溶液(PBS)中搅拌10小时,最后过滤干燥得到固态物b;
S3、将固态物b与3g水溶性淀粉混合制粒,即得。
对比例3一种多肽白藜芦醇制剂
与实施例1的区别是,将丝氨酰-天冬氨酰-谷氨酸原料替换为多肽,制备方法步骤如下:
S1、将1g白藜芦醇、2.5g多肽溶于2500g中甲基叔丁基醚,0℃下加入0.4g4-二甲氨基吡啶(DMAP)催化反应25分钟,然后常温静置14小时,再加入pH为0.8的盐酸溶液进行分层4小时,加入量为使水相酸碱性接近中性(6.9),取油相层a。
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与3g多肽混合加入到500g的磷酸缓冲盐溶液(PBS)中搅拌10小时,最后过滤干燥得到固态物b;
S3、将固态物b与3g水溶性淀粉混合制粒,即得。
试验例1有效负载量与稳定性试验
1、通过水溶解法将实施例1-3与对比例1-3的0.1g多肽白藜芦醇制剂中的水溶物与不溶物分离(水的用量是30g),得到水溶物(干燥后)与制剂的质量占比,得到水溶负载量,如表1所示:
2、将1g实施例1-3和对比例1-3形成的多肽白藜芦醇制剂进行水稀释10倍,将1g实施例1-3和对比例1-3形成的多肽白藜芦醇制剂进行60℃高温、4500Lx±500Lx照度光照12小时,然后水稀释10倍,检测其高温光照后前后抗氧化效果,使用简易的土豆丝抗氧化测试:将13份30g土豆切丝放置在水中浸泡10分钟,捞出后迅速与各种多肽白藜芦醇制剂稀释液混合,暴露在空气中,其中一份土豆丝做空白对照,摄像机记录土豆丝变黑时间,即氧化时间(以空白组150分钟空气接触后颜色为对照),如表1所示。
表1水溶负载量、高温光照前后抗氧化效果对比
如表1所示,由于原料中只有多肽、水溶性淀粉、两亲性短链寡肽均为水溶性物质,只有多肽白藜为脂溶性物质,本发明通过两亲性短链寡肽与多肽白藜反应得到水溶性多肽白藜衍生物,所以本发明制剂为水溶性物质,但是由于本发明制备方法不一定将所有多肽白藜均结合到两亲性短链寡肽,因此多肽白藜的有效负载量(与两亲性短链寡结合即为有效负载)不一定是100%,本实验将水溶后制剂重量除以原本质量得到水溶负载量,其中多肽白藜的有效负载量与水溶负载量是正相关的,以水溶负载量为标志进行描述。试验发现:实施例1-3具有更高的有效负载量,对比例1-2由于直接与多肽混合多肽白藜几乎没有有效负载,对比例3是与对多肽进行结合,得到比对比例1-2更高的有效负载量。
试验还发现,实施例1-3具有更高的抗氧化性,并且经过高温氧化后。抗氧化性作用保留较多。
综上所示,本发明具有更高的抗氧化性,稳定性,有效负载量。
Claims (5)
1.一种多肽白藜芦醇制剂,其特征在于,由以下重量份的原料制得:多肽2-4份、水溶性淀粉2-4份、两亲性短链寡肽2-3份、白藜芦醇1份;所述的两亲性短链寡肽为丝氨酰-天冬氨酰-谷氨酸;
所述多肽白藜芦醇制剂的制备方法,步骤如下:
S1、将白藜芦醇、两亲性短链寡肽溶于有机溶剂中,0℃下加入吡啶类有机碱催化反应20-30分钟,然后常温静置12-16小时,再加入pH为0.5-1的盐酸溶液进行分层3-5小时,取油相层a;
S2、将油相层a进行减压干燥,得到白藜芦醇-两亲性短链寡肽组合物,然后与多肽混合加入到磷酸缓冲盐溶液(PBS)中搅拌6-12小时,最后过滤干燥得到固态物b;
S3、将固态物b与水溶性淀粉混合制粒,即得。
2.根据权利要求1所述的多肽白藜芦醇制剂,其特征在于,多肽白藜芦醇制剂的制备方法步骤S1中所述的有机溶剂为甲基叔丁基醚,用量为白藜芦醇重量的2000-3000倍。
3.权利要求1-2任一所述的多肽白藜芦醇制剂应用在具有抗氧化功能的保健品或药物组合物中。
4.一种包含权利要求1-2任一所述的多肽白藜芦醇制剂的保健品。
5.一种包含权利要求1-2任一所述的多肽白藜芦醇制剂的药物组合物。
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