目的研究高寒植物长鞭红景天Rhodiola fastigiata干燥全株的脂肪族类化学成分和抗疟活性。方法采用反复硅胶柱色谱以及RP-18、MCI、Sephadex LH-20等多种色谱手段进行分离纯化,根据理化性质及波谱数据鉴定化合物的结构。通过SYBR Green ...目的研究高寒植物长鞭红景天Rhodiola fastigiata干燥全株的脂肪族类化学成分和抗疟活性。方法采用反复硅胶柱色谱以及RP-18、MCI、Sephadex LH-20等多种色谱手段进行分离纯化,根据理化性质及波谱数据鉴定化合物的结构。通过SYBR Green I法,对分离得到的化合物进行抗疟活性筛选。结果从长鞭红景天干燥全株95%乙醇提取物中分离鉴定了15个脂肪族类化合物,分别鉴定为10α-葫芦-7,24二烯醇(1)、β-香树脂醇乙酸酯(2)、豆甾烷-3-酮(3)、豆甾-4-烯-3-酮(4)、β-谷甾醇(5)、schleicheol 1(6)、豆甾-4,6,8(14),22-四烯-3-酮(7)、(22E,24R)-5α,8α-epidioxyergosta-6,22-dien-3β-ol(8)、豆甾-4-烯-6β-醇-3-酮(9)、3β-羟基豆甾-5-烯-7-酮(10)、6α-羟基豆甾-4-烯-3-酮(11)、豆甾烷-3,6-二醇(12)、正二十二烷醇(13)、二十四烷醇(14)、去氢木香内酯(15)。结论化合物1为新化合物,命名为表葫芦二烯醇;化合物2、13和14为首次从该植物中分离得到,化合物3、4、6~12和15为首次从红景天属中分离得到;化合物15对恶性疟原虫3D7株具有一定抗疟活性。展开更多
Objective:This study aims to provide the material basis for the molecular mechanism of Yuxingcao(Houttuynia cordata Thunb,HCT)through the method of evidence-based study to summarize the natural constituents isolated f...Objective:This study aims to provide the material basis for the molecular mechanism of Yuxingcao(Houttuynia cordata Thunb,HCT)through the method of evidence-based study to summarize the natural constituents isolated from HCT.Methods:We searched CNKI,Wanfang,VIP,Pubmed and relevant conference compilations.The keywords were'Yuxingcao or Houttuynia cordata Thunb'and'components'or'ingredients'or'constituent'or'volatile oil'or'flavonoids'or'terpene'or'content',both in Chinese and English.According to the inclusion and exclusion criteria,the reported compositions and contents have been summarized,and SPSS software was used to draw the boxplot of contents.Results:A total of 603 natural compounds in 11 categories were obtained from pooled articles.In the diverse components,the number of aliphatic compounds(n=259)and terpenoids(n=158)are more than those of flavonoids(n=26),alkaloids(n=42)and aromatics(n=42).While,in the part of volatile oils of HCT,the largest components are aliphatic compounds(mainly distributed on the ground)and terpenoids(mainly distributed in the underground).Although,methyl n-nonylketone is distributed in the whole herb plant,a large proportion is present in the underground parts.As for non-volatiles,the flavonoid content(mainly distributed on the ground)was the highest,among which quercetin and its glycosyl derivatives were the prominent.Conclusion:The results of this study provide a more comprehensive material basis for the further study of HCT.It is also helpful to explain the mechanisms of anti-oxidant,anti-inflammatory,anti-bacterial,anti-viral and anti-cancer effects from the molecular target and molecular network levels.展开更多
文摘Objective:This study aims to provide the material basis for the molecular mechanism of Yuxingcao(Houttuynia cordata Thunb,HCT)through the method of evidence-based study to summarize the natural constituents isolated from HCT.Methods:We searched CNKI,Wanfang,VIP,Pubmed and relevant conference compilations.The keywords were'Yuxingcao or Houttuynia cordata Thunb'and'components'or'ingredients'or'constituent'or'volatile oil'or'flavonoids'or'terpene'or'content',both in Chinese and English.According to the inclusion and exclusion criteria,the reported compositions and contents have been summarized,and SPSS software was used to draw the boxplot of contents.Results:A total of 603 natural compounds in 11 categories were obtained from pooled articles.In the diverse components,the number of aliphatic compounds(n=259)and terpenoids(n=158)are more than those of flavonoids(n=26),alkaloids(n=42)and aromatics(n=42).While,in the part of volatile oils of HCT,the largest components are aliphatic compounds(mainly distributed on the ground)and terpenoids(mainly distributed in the underground).Although,methyl n-nonylketone is distributed in the whole herb plant,a large proportion is present in the underground parts.As for non-volatiles,the flavonoid content(mainly distributed on the ground)was the highest,among which quercetin and its glycosyl derivatives were the prominent.Conclusion:The results of this study provide a more comprehensive material basis for the further study of HCT.It is also helpful to explain the mechanisms of anti-oxidant,anti-inflammatory,anti-bacterial,anti-viral and anti-cancer effects from the molecular target and molecular network levels.
