Two new compounds,schinifolin Ⅰ and acetoxyschinifolin Ⅱ,along with five known compounds(auraptenⅢ,dictamnine Ⅳ,scoparone Ⅴ,skimmianine Ⅵ,and β-sitosterol Ⅶ)were isolated from the roots of Zanthoxylum schinifo...Two new compounds,schinifolin Ⅰ and acetoxyschinifolin Ⅱ,along with five known compounds(auraptenⅢ,dictamnine Ⅳ,scoparone Ⅴ,skimmianine Ⅵ,and β-sitosterol Ⅶ)were isolated from the roots of Zanthoxylum schinifolium Sieb.et Zucc.col- lected in Yixing County,Jiangsu Province.The structure determination was based upon spectroscopic analysis(UV,IR,MS,PMR,CMR,2D NMR).The structures of schinifolin Ⅰ and acetoxyschinifolin Ⅱ were elucidated as 7[(3′,7′-dimethyl-2′,6′-octadienyl)] oxy-8-methoxy-2H-1-benzopyran-2-one,and 7[(3′,7′-dimethyl-5′-acetoxy-2′, 6′-octadienyl)]oxy-8-methoxy-2H-1-benzopyran-2-one,respectively. In the test of platelet aggregation caused by PAF,compounds Ⅰ,Ⅱ,Ⅲ and Ⅴ showed inhibitory activity.展开更多
There are more than 250 kinds of Zanthoxylum plants in the world, of which about 40 species grow in China. In last 30 years, nearly 80 kinds of the plants have been studicd intensively and the results show that they a...There are more than 250 kinds of Zanthoxylum plants in the world, of which about 40 species grow in China. In last 30 years, nearly 80 kinds of the plants have been studicd intensively and the results show that they are of different chemical compositions and various physiological actions, such as having anthelmintic action, bacteriostasis,展开更多
According to the recent practice in Laopingzi Village,Jiaopingdu Town,Luquan Yi and Miao Autonomous County(Luquan County hereinafter)in dry and hot valley of Jinsha River,the development of Zanthoxylum schinifolium Si...According to the recent practice in Laopingzi Village,Jiaopingdu Town,Luquan Yi and Miao Autonomous County(Luquan County hereinafter)in dry and hot valley of Jinsha River,the development of Zanthoxylum schinifolium Sieb.et Zucc planting industry can help farmers gradually get rid of poverty and achieve a virtuous cycle of ecological environment.It is a sustainable poverty alleviation way.Based on the three aspects of soil properties,climatic conditions,and topographical conditions influencing the growth of Z.schinifolium,this paper selected eight evaluation factors to establish a suitability evaluation system for Z.schinifolium,used the analytic hierarchy process to determine the indicator,and determined the weight of the evaluation indicators.Besides,it calculated the comprehensive suitability index of land suitability of Z.schinifolium and evaluated the suitability of Z.schinifolium land in Jiaopingdu Town of Luquan County.The results showed that the suitable area for the cultivation of Z.schinifolium in Jiaopingdu Town reached 7270.78 ha,accounting for 88.69%of the study area;the area of unsuitable land was 922.07 ha,accounting for 11.31%of the study area.Among the suitable land areas,the high suitability area reached562.99 ha,accounting for 7.79%;the moderate suitability area was 2206.76 ha,accounting for 28.61%;the low suitability area was4599.03 ha,accounting for 63.6%.Based on the results of suitability evaluation,it came up with pertinent recommendations for the development of Z.schinifolium industry in Jiaopingdu Town.展开更多
Zhaoyang District is an important Zanthoxylum schinifolium planting area in Zhaotong City and even Yunnan Province,and it has a long history of cultivation. Through the survey and analysis of the status and problems o...Zhaoyang District is an important Zanthoxylum schinifolium planting area in Zhaotong City and even Yunnan Province,and it has a long history of cultivation. Through the survey and analysis of the status and problems of the development of Z. schinifolium industry,it came up with the recommendations for improving the Z. schinifolium industry,including introducing foreign capital to increase the added value of the products,and strengthening selection and breeding of fine seeds and research of high-yield technologies.展开更多
为深入探讨4个品种青花椒中代谢物的差异,本研究基于超高效液相色谱和质谱的非靶向代谢组学技术对其差异代谢物进行全面的鉴定,结合单变量统计分析和多元统计分析进行组间差异分析,筛选出差异代谢物,再通过聚类分析、相关性分析和KEGG...为深入探讨4个品种青花椒中代谢物的差异,本研究基于超高效液相色谱和质谱的非靶向代谢组学技术对其差异代谢物进行全面的鉴定,结合单变量统计分析和多元统计分析进行组间差异分析,筛选出差异代谢物,再通过聚类分析、相关性分析和KEGG数据库注释差异代谢物参与的代谢途径,从中筛选出关键代谢物。结果表明,共鉴定出正、负离子模式下差异显著的代谢物131个,其中正离子模式54种,负离子模式77种。对这些差异代谢物进行化学分类归属信息的统计后,发现占比最大的是有机酸及其衍生物(16.11%),其次是有机氧化合物(14.44%)。在正离子模式下,新舟青椒(Zb005)与峨眉山藤椒(Zb003)存在24种显著的差异代谢物,新舟青椒(Zb005)与遵义大木椒(Zb004)存在17种差异代谢物,新舟青椒(Zb005)与江口青椒(Zb0010)存在13种差异代谢物。对所有的差异代谢物进行筛选后,发现有7种共有的差异代谢物,分别为N-甲基酪胺、1-吲哚酮、茉莉内酯、樟脑、香叶木素、L-哌啶酸、半乳糖酸,这些代谢物的表达情况存在差异,显示与青花椒的品种密切相关。通过层次聚类热图对其进行分析,发现在3个比较组(Zb005 vs Zb003、Zb005 vs Zb004、Zb005 vs Zb0010)中,新舟青椒(Zb005)的含量表现出比其他几种青椒更高表达的化合物有4种(1-吲哚酮、樟脑、茉莉内酯和香叶木素),这可能是遵义本地青椒(新舟青椒)口感较其他几种青椒好的原因。展开更多
文摘Two new compounds,schinifolin Ⅰ and acetoxyschinifolin Ⅱ,along with five known compounds(auraptenⅢ,dictamnine Ⅳ,scoparone Ⅴ,skimmianine Ⅵ,and β-sitosterol Ⅶ)were isolated from the roots of Zanthoxylum schinifolium Sieb.et Zucc.col- lected in Yixing County,Jiangsu Province.The structure determination was based upon spectroscopic analysis(UV,IR,MS,PMR,CMR,2D NMR).The structures of schinifolin Ⅰ and acetoxyschinifolin Ⅱ were elucidated as 7[(3′,7′-dimethyl-2′,6′-octadienyl)] oxy-8-methoxy-2H-1-benzopyran-2-one,and 7[(3′,7′-dimethyl-5′-acetoxy-2′, 6′-octadienyl)]oxy-8-methoxy-2H-1-benzopyran-2-one,respectively. In the test of platelet aggregation caused by PAF,compounds Ⅰ,Ⅱ,Ⅲ and Ⅴ showed inhibitory activity.
文摘There are more than 250 kinds of Zanthoxylum plants in the world, of which about 40 species grow in China. In last 30 years, nearly 80 kinds of the plants have been studicd intensively and the results show that they are of different chemical compositions and various physiological actions, such as having anthelmintic action, bacteriostasis,
文摘According to the recent practice in Laopingzi Village,Jiaopingdu Town,Luquan Yi and Miao Autonomous County(Luquan County hereinafter)in dry and hot valley of Jinsha River,the development of Zanthoxylum schinifolium Sieb.et Zucc planting industry can help farmers gradually get rid of poverty and achieve a virtuous cycle of ecological environment.It is a sustainable poverty alleviation way.Based on the three aspects of soil properties,climatic conditions,and topographical conditions influencing the growth of Z.schinifolium,this paper selected eight evaluation factors to establish a suitability evaluation system for Z.schinifolium,used the analytic hierarchy process to determine the indicator,and determined the weight of the evaluation indicators.Besides,it calculated the comprehensive suitability index of land suitability of Z.schinifolium and evaluated the suitability of Z.schinifolium land in Jiaopingdu Town of Luquan County.The results showed that the suitable area for the cultivation of Z.schinifolium in Jiaopingdu Town reached 7270.78 ha,accounting for 88.69%of the study area;the area of unsuitable land was 922.07 ha,accounting for 11.31%of the study area.Among the suitable land areas,the high suitability area reached562.99 ha,accounting for 7.79%;the moderate suitability area was 2206.76 ha,accounting for 28.61%;the low suitability area was4599.03 ha,accounting for 63.6%.Based on the results of suitability evaluation,it came up with pertinent recommendations for the development of Z.schinifolium industry in Jiaopingdu Town.
文摘Zhaoyang District is an important Zanthoxylum schinifolium planting area in Zhaotong City and even Yunnan Province,and it has a long history of cultivation. Through the survey and analysis of the status and problems of the development of Z. schinifolium industry,it came up with the recommendations for improving the Z. schinifolium industry,including introducing foreign capital to increase the added value of the products,and strengthening selection and breeding of fine seeds and research of high-yield technologies.
文摘为深入探讨4个品种青花椒中代谢物的差异,本研究基于超高效液相色谱和质谱的非靶向代谢组学技术对其差异代谢物进行全面的鉴定,结合单变量统计分析和多元统计分析进行组间差异分析,筛选出差异代谢物,再通过聚类分析、相关性分析和KEGG数据库注释差异代谢物参与的代谢途径,从中筛选出关键代谢物。结果表明,共鉴定出正、负离子模式下差异显著的代谢物131个,其中正离子模式54种,负离子模式77种。对这些差异代谢物进行化学分类归属信息的统计后,发现占比最大的是有机酸及其衍生物(16.11%),其次是有机氧化合物(14.44%)。在正离子模式下,新舟青椒(Zb005)与峨眉山藤椒(Zb003)存在24种显著的差异代谢物,新舟青椒(Zb005)与遵义大木椒(Zb004)存在17种差异代谢物,新舟青椒(Zb005)与江口青椒(Zb0010)存在13种差异代谢物。对所有的差异代谢物进行筛选后,发现有7种共有的差异代谢物,分别为N-甲基酪胺、1-吲哚酮、茉莉内酯、樟脑、香叶木素、L-哌啶酸、半乳糖酸,这些代谢物的表达情况存在差异,显示与青花椒的品种密切相关。通过层次聚类热图对其进行分析,发现在3个比较组(Zb005 vs Zb003、Zb005 vs Zb004、Zb005 vs Zb0010)中,新舟青椒(Zb005)的含量表现出比其他几种青椒更高表达的化合物有4种(1-吲哚酮、樟脑、茉莉内酯和香叶木素),这可能是遵义本地青椒(新舟青椒)口感较其他几种青椒好的原因。
