CN110713503A - 鲜西芹叶水提物粉末, 其制备, 舒张血管作用及应用 - Google Patents

鲜西芹叶水提物粉末, 其制备, 舒张血管作用及应用 Download PDF

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CN110713503A
CN110713503A CN201810765503.6A CN201810765503A CN110713503A CN 110713503 A CN110713503 A CN 110713503A CN 201810765503 A CN201810765503 A CN 201810765503A CN 110713503 A CN110713503 A CN 110713503A
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彭师奇
赵明
黄飞
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Abstract

本发明公开了制备鲜西芹叶水提物粉末的方法,公开了制得的水提物粉末中所有34种组分的结构类型及名称,公开了这34种组分均为新化合物;公开了这34种新化合物中3种为蔗糖类化合物,13种为奎尼酸类化合物,18种为芹菜苷类化合物;公开了鲜西芹叶水提粉末的舒张血管作用,因而本发明公开了鲜西芹叶水提物粉末在制备舒血管药物中的应用。

Description

鲜西芹叶水提物粉末,其制备,舒张血管作用及应用
技术领域
本发明涉及从鲜西芹叶的水提物制备粉末的方法,涉及从鲜西芹叶的水提物制备粉末的工艺的可重现性由它的特征UPLC-质谱总离子流图谱及其34个峰界定,涉及粉末中的组分由它的特征UPLC-质谱总离子流图谱及其34个峰界定,涉及34个峰对应鲜西芹叶水提物粉末中的3种蔗糖结构,涉及34个峰对应鲜西芹叶水提物粉末中的13种奎尼酸结构,涉及34个峰对应鲜西芹叶水提物粉末中的18种芹菜苷结构,进一步涉及鲜西芹叶水提粉末的舒血管作用,因而本发明涉及鲜西芹叶水提物粉末在制备血管收缩性疾病预防药物中的应用。本发明属于生物医药领域。
背景技术
大量统计数据说明,血管收缩与高血压、过敏性休克引起的心脏骤停、支气管哮喘和偏头痛的发病相关。血管收缩性疾病已经成为全球性健康问题。虽然临床有不少药物(例如肾上腺素、麻黄碱和多巴胺)用于治疗血管收缩性疾病,但是毒副作用使得这些治疗药物不宜用于预防目标。发现无任何毒副作用可用于预防血管收缩性疾病的药物是药物研究的重要方向之一。
民间一直有芹菜叶性味凉的说法,认为芹菜叶有清热消毒作用,可治疗肝火旺盛,有平肝清热效果。民间还有菜叶富含纤维素,有滑肠通便治疗便秘的说法。民间还认为芹菜叶有降低血压作用,也可治疗头昏,水肿和月经不调。由于没有严格的药效学研究,所以这些说法的基础仅仅是经验。此外,这些说法中的芹菜叶是西芹叶还是香芹叶没有界定。更进一步,这些说法与血管舒张没有直接牵连。此外,发明人曾提出鲜芹菜叶纳米汁的保肝作用。可是鲜芹菜叶纳米汁经20天放置不仅霉变,而且沉淀。霉变可致病,沉淀可改变化学组成。这两个致命性问题使得发明人不得不放弃鲜芹菜叶纳米汁的后续开发。
发明人长期从鲜西芹叶水提物粉末的化学成分及治疗作用研究。发明人认识到至今业内人既不清楚鲜西芹叶水提物到底含哪些化学组分,也不清楚鲜西芹叶水提物有怎样的治疗作用。针对这种状况,发明人对鲜西芹叶水提物进行质谱分析。对鲜西芹叶水提物中34种组分分析使发明人发现,鲜西芹叶水提物可舒张血管。对鲜西芹叶水提物中34种组分的结构分析导致本发明发现了34种新化合物,从而体现了本发明的智慧与创造性。与所有芹菜相关的已知发明相比,本发明达到了一个全新高度。根据这些发现,发明人提出了本发明。
发明内容
本发明的第一个内容是提供鲜西芹叶水提物粉末的方法,该方法由下述步骤构成:
(1)表面无泥沙的1000g鲜西芹叶用3000mL自来水洗2次,之后转移至无菌环境用3000
mL三蒸水洗3次,滤除水得到清洁的鲜西芹叶;
(2)将清洁的鲜西芹叶用三蒸水于60℃-90℃浸泡3次,每次用3000mL三蒸水至少浸泡30分钟,浸泡期间缓慢搅拌;
(3)每次浸泡之后让水提液自行缓慢流出,用时不少于30分钟;
(4)将得到的约9000mL水提液于60℃-90℃减压浓缩得到24g鲜西芹叶水提物粉末。
本发明的第二个内容是提供鲜西芹叶水提物粉末的紫外图谱。
本发明的第三个内容是提供鲜西芹叶水提物粉末的质谱总离子流图谱。
本发明的第四个内容是提供与鲜西芹叶水提物粉末的质谱总离子流谱中的峰对应的34种组分的化学结构。
本发明的第五个内容是描述鲜西芹叶水提物粉末对血管的舒张作用。
附图说明
图1.鲜西芹叶水提物粉末的UPLC色谱图。
图2.鲜西芹叶水提物粉末的UPLC-质谱总离子流图谱。
图3.6-O-[E-3-(1,3,5,7,9-十二碳五烯羰氧)-4-羟基桂皮酰]蔗糖的裂解途径。
图4.6-O-[E-3-(1,3,5,7,9-十二碳五烯羰氧)-4-羟基桂皮酰]蔗糖的质谱。
图5.3-O-[E-3,5-二(羧正丙酰氧)-4-羟乙酰氧桂皮酰]奎尼酸的裂解途径。
图6.3-O-[E-3,5-二(羧正丙酰氧)-4-羟乙酰氧桂皮酰]奎尼酸的质谱。
图7.3-(2’,4’,6’-庚三烯羰氧)正丁酰芹菜苷的裂解途径。
图8.3-(2’,4’,6’-庚三烯羰氧)正丁酰芹菜苷的质谱。
具体实施方式
为了进一步阐述本发明,下面给出一系列实施例。这些实施例完全是例证性的,它们仅用来对本发明进行具体描述,不应当理解为对本发明的限制。
实施例1制备鲜西芹叶水提物粉末
表面无泥沙的1000g鲜西芹叶用3000mL自来水洗2次,之后转移至无菌环境用3000mL三蒸水洗3次。滤除水,得到清洁的鲜西芹叶。将清洁的鲜西芹叶用三蒸水于60℃-90℃浸泡3次,每次用3000mL三蒸水至少浸泡30分钟,浸泡期间缓慢搅拌。每次浸泡之后让水提液自行缓慢流出,用时不少于30分钟。合并约9000mL缓慢流出的水提液,于60℃-90℃减压浓缩得到24g鲜西芹叶水提物粉末。
实施例2测定鲜西芹叶水提物粉末的色谱和质谱离子流谱
2-1.样品溶液的制备(10mg/mL)
称取26.7mg鲜西芹叶水提物粉末,用2.67mL超纯水中将粉末溶解。得到的溶液超声震荡1分钟,之后再于13000r/min离心10分钟。取上清液,过0.22μm滤膜,置于样品瓶中供色谱和质谱测定用。
2-2.色谱条件
色谱柱:Waters,Acquity
Figure BDA0001728939200000032
HSS T3柱(2.1×100mm i.d.,1.8μm);
进样体积:2μL;
PDA检测器:210-400nm;
流动相:水(0.1%甲酸),乙腈;
流动相按照表1的梯度洗色谱柱。
表1流动相梯度表
2-3.测定色谱图
按照上面的色谱测定条件测定并记录鲜西芹叶水提物粉末的UPLC色谱图(见说明书附图1)。
2-4.测定离子流谱和质谱的条件
电喷雾离子化模式:正(PI)及负(NI)模式;
斜坡陷阱碰撞能量:20-60V;
圆锥形电流:40V;
离子源温度:100℃;
毛细管电压:30kV;
喷雾压:6.5bar;
m/z范围:100-1500。
2-5.记录离子流谱和质谱
按照上面的条件测定并记录鲜西芹叶水提物粉末的离子流谱(见说明书附图2)。
实施例3指定鲜西芹叶水提物粉末中34种组分的结构
将实施例2的UPLC色谱与质谱联接,测定鲜西芹叶水提物粉末的UPLC-质谱。质谱条件是电喷雾离子化的正离子和负离子两种模式。斜阱碰撞能为20-60V。园椎体电压为40V。离子源温度为100℃。毛细管电压为30kV。喷雾器的压力为6.5bar。质/荷比的范围为100-1500。在14分钟内分出34个独立峰。根据质谱裂解规律,与这些峰(对总离子流图谱的峰从左到右顺序编号)被指定为表2的对应组分。
表2与总离子流图谱的峰对应的组分名称
Figure BDA0001728939200000051
实施例4鲜西芹叶水提物粉末中34种组分的质谱、化学结构及裂解过程
在分析实施例2测定的总离子流中与各峰对应的质谱图的基础上,将分子离子及碎片离子相关联。于是。发明人确立了实施例3的表2中34种组分在所述质谱条件下的裂解途径。这些裂解途径反过来成为支持本发明发现鲜西芹叶水提物粉末中34种组分具有无可争辩的新颖性和创造性的依据。作为34种组分在所述质谱条件下的裂解途径及质谱,图3和图4分别是6-O-[E-3-(1,3,5,7,9-十二碳五烯羰氧)-4-羟基桂皮酰]蔗糖的裂解途径和质谱,图5和图6分别是3-O-[E-3,5-二(羧正丙酰氧)-4-羟乙酰氧桂皮酰]奎尼酸的裂解途径和质谱,图7和图8分别是3-(2’,4’,6’-庚三烯羰氧)正丁酰芹菜苷的裂解途径和质谱。
实施例5测定鲜西芹叶水提物粉末的血管舒张作用
因为去甲肾上腺素被公认为血管收缩剂,乙酰胆碱被公认为血管舒张剂,所以本发明在去甲肾上腺素诱发的大鼠胸主动脉环收缩模型上测定鲜西芹叶水提物粉末对去甲肾上腺素诱发的大鼠胸主动脉环收缩的拮抗作用。乙酰胆碱为本发明的阳性对照。
经乙醚麻醉的大鼠断颈处死,打开胸腔取胸主动脉并剪成2mm长的环。将制备的大鼠胸主动脉环置于K-H缓冲液中并通氧使保持活力。开启生理二道仪(运行软件为M3000),开育槽的循环水,往育槽注入K-H缓冲液并通氧。设置张力换能器并定标。将大鼠胸主动脉环挂到张力换能器上,放置于育槽中并监测张力。待张力稳定后加20μL去甲肾上腺素水溶液,使它在育槽的浓度为20μg/mL。监测张力,待张力稳定之后往育槽中注入鲜西芹叶水提物粉末的水溶液(使浓度达到50μg/mL,100μg/mL,150μg/mL和200μg/mL)或乙酰胆碱水溶液(使浓度达到2μg/mL),待张力稳定后记录张力。计算鲜西芹叶水提物粉末的水溶液或乙酰胆碱水溶液注入前后的张力差。该差值与鲜西芹叶水提物粉末的水溶液或乙酰胆碱水溶液注入前的张力的百分比即为舒张率。结果见表3。
表3鲜西芹叶水提物粉末的血管舒张作用
Figure BDA0001728939200000061
a)与50μg/mL比p<0.01,与150μg/mL比p<0.05,与200μg/mL比p<0.01;b)与150μg/mL及乙酰胆碱比p>0.05;c)与乙酰胆碱比p>0.05;n=3,实验数据统计均采用t检验.
表3的数据说明,鲜西芹叶水提物粉末的水溶液在浓度为50μg/mL,100μg/mL和150μg/mL时浓度依赖地拮抗去甲肾上腺素引起的血管收缩。浓度为200μg/mL时的作用达到峰值且与乙酰胆碱无显著性差异。与临床应用的舒血管药物不同,鲜西芹叶是蔬菜。作为可随意食用的蔬菜,鲜西芹叶水提物粉末具有舒血管作用是意想不到的技术效果。

Claims (7)

1.一种鲜西芹叶水提物的粉末。
2.权利要求1的鲜西芹叶水提物的粉末,其特征在于它含的34种组分均为新化合物。
3.权利要求2的34种新化合物,其特征在于3种为6-O-E-3,4-二羟基-2-正戊羰氧桂皮酰蔗糖、6-O-E-3-1,3,5,7,9-十二碳五烯羰氧-4-羟基桂皮酰蔗糖和6-O-E-3,5-二正戊酰氧-4-丙烯羰氧桂皮酰蔗糖。
4.权利要求2的34种新化合物,其特征在于13种为3-O-E-3,5-二羧正丙羰氧-4-烯丙酰氧桂皮酰奎尼酸、3-O-E-3,5-二羧-4-正戊烯酰氧-4-羧丙烯羰氧桂皮酰奎尼酸、3-O-E-3-2’,4’-戊二烯酰氧-4-丙烯酰氧桂皮酰奎尼酸、3-O-E-3-羧正戊酰氧-4-羰烯丙酰氧-5-羧正戊烯-1’,3’-酰氧桂皮酰奎尼酸、3-O-E-3,5-二羧正己酰氧-4-羧正丁酰氧桂皮酰奎尼酸、3-O-E-3,5-二羧基-2’,4’-戊二烯羰氧-4-丙烯羰氧桂皮酰奎尼酸、3-O-E-3,5-二羧正丁酰氧-4-羧丙酰氧桂皮酰奎尼酸、3-O-E-3,5-二羧丙烯酰氧-4-1’-羟基-2’,4’-己二烯酰氧桂皮酰奎尼酸、3-O-E-3,5-二1’-羧基-2’,4’-戊二烯羰氧-4-羧正丙羰氧桂皮酰奎尼酸、3-O-E-3,5-二1’-羧基-1’,3’-丁二烯羰氧-4-1’-羧基-2’,4’-丁二烯羰氧桂皮酰奎尼酸、3-O-E-3,5-二羧甲羰氧-4-羟乙酰桂皮酰奎尼酸、3-O-E-3,5-二羧正丙酰氧-4-羟乙酰氧桂皮酰奎尼酸和3-O-[E-3,5-二羧正丙酰氧-4-甲酰氧桂皮酰奎尼酸。
5.权利要求2的34种新化合物,其特征在于18种为3-正丁羰氧芹菜苷、3-1’,3’,5’,7’,9’-癸五烯羰氧-1’,3’,5’,7’,9’-癸五烯基酰基芹菜苷、3-2’,4’,6’-庚三烯羰氧-3’,5’-己二烯基酰基芹菜苷、3-3’-丁烯羰氧丙烯基酰基芹菜苷、3-丙烯羰氧芹菜苷、3-正戊羰氧芹菜苷、3-正丁羰氧丙酰芹菜苷、3-2’,4’,6’-庚三烯羰氧基芹菜苷、3-正丙羰氧芹菜苷、3-3’,5’-己二烯羰氧芹菜苷、3-2’,4’,6’,8’-壬四烯羰氧芹菜苷、3-3’,5’,7’-辛三烯羰氧-3’,5’-己二烯基酰基芹菜苷、3-2’,4’,6’-庚三烯羰氧正丁酰芹菜苷、3-正庚羰氧芹菜苷、2,4-戊二烯基酰基芹菜苷、3-乙酰氧芹菜苷、3-5’-正己烯羰氧芹菜苷和3-正己羰氧正庚酰芹菜苷。
6.制备权利要求1的鲜西芹叶水提物粉末的方法,该方法由下述步骤构成:
A.表面无泥沙的1000g鲜西芹叶用3000mL自来水洗2次,之后转移至无菌环境用3000mL三蒸水洗3次,滤除水得到清洁的鲜西芹叶;
B.将清洁的鲜西芹叶用三蒸水于60℃-90℃浸泡3次,每次用3000mL三蒸水至少浸泡30分钟,浸泡期间缓慢搅拌;
C.每次浸泡之后让水提液自行缓慢流出,用时不少于30分钟;
D.将得到的约9000mL水提物于60℃-90℃减压浓缩得到约24g鲜西芹叶水提物粉末;
E.该水提物粉末中所含组分由它的特征UPLC-质谱总离子流图谱及其中的34个峰界定,由是该水提物粉末的质量也由它的特征UPLC-质谱总离子流图谱及其中的34个峰界定。
7.权利要求1的鲜西芹叶水提物粉末在制备血管收缩性疾病预防药物中的应用。
CN201810765503.6A 2018-07-12 2018-07-12 鲜西芹叶水提物粉末, 其制备, 舒张血管作用及应用 Withdrawn CN110713503A (zh)

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