Background:Rosa chinensis Jacq.and Rosa rugosa Thunb.are not only of ornamental value,but also edible flowers and the flower buds have been listed in the Chinese Pharmacopoeia as traditional medicines.The two plants h...Background:Rosa chinensis Jacq.and Rosa rugosa Thunb.are not only of ornamental value,but also edible flowers and the flower buds have been listed in the Chinese Pharmacopoeia as traditional medicines.The two plants have some differences in efficacy,but the flower buds are easily confused for similar traits.In addition,large-scale cultivation of ornamental rose flowers may lead to a decrease in the effective components of medicinal roses.Therefore,it is necessary to study the chemical composition and make quality evaluation of Rosae Chinensis Flos(Yueji)and Rosae Rugosae Flos(Meigui).Methods:In this study,40 batches of samples including Meigui and Yueji from different regions in China were collected to establish high-performance liquid chromatography fingerprints.Then,the fingerprints data was analyzed using principal component analysis,hierarchical cluster analysis,and partial least squares discriminant analysis analysis chemometrics to obtain information on intergroup differences,and non-targeted metabolomic techniques were applied to identify and compare chemical compositions of samples which were chosen from groups with large differences.Differential compounds were screened by orthogonal partial least-squares discriminant analysis and S-plot,and finally multi-component quantification was performed to comprehensively evaluate the quality of Yueji and Meigui.Results:The similarity between the fingerprints of 40 batches roses and the reference print R was 0.73 to 0.93,indicating that there were similarities and differences between the samples.Through principal component analysis and hierarchical cluster analysis of fingerprints data,the samples from different origins and varieties were intuitively divided into four groups.Partial least-squares discriminant analysis analysis showed that Meigui and Yueji cluster into two categories and the model was reliable.A total of 89 compounds were identified by high resolution mass spectrometry,mainly were flavonoids and flavonoid glycosides,as well as phenolic acids.Eight differential components were screened out by orthogonal partial least-squares discriminant analysis and S-plot analysis.Quantitative analyses of the eight compounds,including gallic acid,ellagic acid,hyperoside,isoquercitrin,etc.,showed that Yueji was generally richer in phenolic acids and flavonoids than Meigui,and the quality of Yueji from Shandong and Hebei was better.It is worth noting that Xinjiang rose is rich in various components,which is worth focusing on more in-depth research.Conclusion:In this study,the fingerprints of Meigui and Yueji were established.The chemical components information of roses was further improved based on non-targeted metabolomics and mass spectrometry technology.At the same time,eight differential components of Meigui and Yueji were screened out and quantitatively analyzed.The research results provided a scientific basis for the quality control and rational development and utilization of Rosae Chinensis Flos and Rosae Rugosae Flos,and also laid a foundation for the study of their pharmacodynamic material basis.展开更多
Rosa rugosa Thunb. is a traditional medicinal and food plant in Hotan region,which has important medicinal and economic value. In recent years,the planting area in Hotan region has been expanding. This paper described...Rosa rugosa Thunb. is a traditional medicinal and food plant in Hotan region,which has important medicinal and economic value. In recent years,the planting area in Hotan region has been expanding. This paper described the cultivation techniques,planting models and field management,pest control,harvesting and processing of R. rugosa. Based on the analysis of the advantages and cultivation techniques of developing the rose industry in Hotan region,the paper discussed how to accelerate the development of rose cultivation and deep processing industry in Hotan region.展开更多
目的:优化野蔷薇根总黄酮提取及纯化工艺。方法:L9(34)正交试验回流提取确定最适提取剂乙醇浓度、料液比、提取时间组合;从静态吸附-解吸、动态吸附-解吸两方面筛选最佳树脂型号,单因素考察最佳纯化条件。结果:UV 508 nm检测波长下,最...目的:优化野蔷薇根总黄酮提取及纯化工艺。方法:L9(34)正交试验回流提取确定最适提取剂乙醇浓度、料液比、提取时间组合;从静态吸附-解吸、动态吸附-解吸两方面筛选最佳树脂型号,单因素考察最佳纯化条件。结果:UV 508 nm检测波长下,最佳提取条件为50%乙醇溶剂,料液比1∶10,进行90℃、90 min回流提取;14种大孔树脂中,HPD-400型大孔树脂对野蔷薇根总黄酮的吸附-解吸能力最好,树脂纯化最佳上样浓度为浸膏母液稀释1.5倍;上样量35 m L,流速3 s/滴;除杂用水量40 m L,流速1 s/滴;50%乙醇32 m L洗脱,流速2 s/滴。结论:最优提取纯化条件下,总黄酮回收率达50%以上。展开更多
基金supported by the key project at the central government level:The ability establishment of sustainable use for valuable Chinese medicine resources(Grant number 2060302)the National Natural Science Foundation of China(Grant number 82373982,82173929).
文摘Background:Rosa chinensis Jacq.and Rosa rugosa Thunb.are not only of ornamental value,but also edible flowers and the flower buds have been listed in the Chinese Pharmacopoeia as traditional medicines.The two plants have some differences in efficacy,but the flower buds are easily confused for similar traits.In addition,large-scale cultivation of ornamental rose flowers may lead to a decrease in the effective components of medicinal roses.Therefore,it is necessary to study the chemical composition and make quality evaluation of Rosae Chinensis Flos(Yueji)and Rosae Rugosae Flos(Meigui).Methods:In this study,40 batches of samples including Meigui and Yueji from different regions in China were collected to establish high-performance liquid chromatography fingerprints.Then,the fingerprints data was analyzed using principal component analysis,hierarchical cluster analysis,and partial least squares discriminant analysis analysis chemometrics to obtain information on intergroup differences,and non-targeted metabolomic techniques were applied to identify and compare chemical compositions of samples which were chosen from groups with large differences.Differential compounds were screened by orthogonal partial least-squares discriminant analysis and S-plot,and finally multi-component quantification was performed to comprehensively evaluate the quality of Yueji and Meigui.Results:The similarity between the fingerprints of 40 batches roses and the reference print R was 0.73 to 0.93,indicating that there were similarities and differences between the samples.Through principal component analysis and hierarchical cluster analysis of fingerprints data,the samples from different origins and varieties were intuitively divided into four groups.Partial least-squares discriminant analysis analysis showed that Meigui and Yueji cluster into two categories and the model was reliable.A total of 89 compounds were identified by high resolution mass spectrometry,mainly were flavonoids and flavonoid glycosides,as well as phenolic acids.Eight differential components were screened out by orthogonal partial least-squares discriminant analysis and S-plot analysis.Quantitative analyses of the eight compounds,including gallic acid,ellagic acid,hyperoside,isoquercitrin,etc.,showed that Yueji was generally richer in phenolic acids and flavonoids than Meigui,and the quality of Yueji from Shandong and Hebei was better.It is worth noting that Xinjiang rose is rich in various components,which is worth focusing on more in-depth research.Conclusion:In this study,the fingerprints of Meigui and Yueji were established.The chemical components information of roses was further improved based on non-targeted metabolomics and mass spectrometry technology.At the same time,eight differential components of Meigui and Yueji were screened out and quantitatively analyzed.The research results provided a scientific basis for the quality control and rational development and utilization of Rosae Chinensis Flos and Rosae Rugosae Flos,and also laid a foundation for the study of their pharmacodynamic material basis.
基金Supported by Western Youth Scholar Program of Chinese Academy of Sciences(2018-XBQNXZ-A-002)Autonomous Region Scientific Special Commissioner Poverty Alleviation Action Project (2019C01OO8)。
文摘Rosa rugosa Thunb. is a traditional medicinal and food plant in Hotan region,which has important medicinal and economic value. In recent years,the planting area in Hotan region has been expanding. This paper described the cultivation techniques,planting models and field management,pest control,harvesting and processing of R. rugosa. Based on the analysis of the advantages and cultivation techniques of developing the rose industry in Hotan region,the paper discussed how to accelerate the development of rose cultivation and deep processing industry in Hotan region.
文摘目的:优化野蔷薇根总黄酮提取及纯化工艺。方法:L9(34)正交试验回流提取确定最适提取剂乙醇浓度、料液比、提取时间组合;从静态吸附-解吸、动态吸附-解吸两方面筛选最佳树脂型号,单因素考察最佳纯化条件。结果:UV 508 nm检测波长下,最佳提取条件为50%乙醇溶剂,料液比1∶10,进行90℃、90 min回流提取;14种大孔树脂中,HPD-400型大孔树脂对野蔷薇根总黄酮的吸附-解吸能力最好,树脂纯化最佳上样浓度为浸膏母液稀释1.5倍;上样量35 m L,流速3 s/滴;除杂用水量40 m L,流速1 s/滴;50%乙醇32 m L洗脱,流速2 s/滴。结论:最优提取纯化条件下,总黄酮回收率达50%以上。
