目的分析高山辣根菜中挥发油及多糖含量。方法根据2020年版《中华人民共和国药典》第四部挥发油测定方法乙法测定挥发油的含量,通过气相色谱质谱联用仪(gas chromatography and mass spectrometry,GC-MS)分析挥发油中的化学成分,并用峰...目的分析高山辣根菜中挥发油及多糖含量。方法根据2020年版《中华人民共和国药典》第四部挥发油测定方法乙法测定挥发油的含量,通过气相色谱质谱联用仪(gas chromatography and mass spectrometry,GC-MS)分析挥发油中的化学成分,并用峰面积归一化法进行定量分析,计算各成分的相对百分含量,用紫外分光光度法测定高山辣根菜中多糖的含量。结果高山辣根菜中多糖和挥发油含量分别为5.87%、0.77 g·mL^(-1);从高山辣根菜挥发油中分析、鉴定出38种化合物,其中苄基异硫氰酸酯、苯甲腈的含量较高。结论藏药高山辣根菜挥发油中苄基异硫氰酸酯的含量最多,具有很好的开发、利用价值。展开更多
[Objectives]To understand the function and ritual uses of juniper wood in Tibetan communities.[Methods]Detailed surveys were carried out amongst students of the School of Nationalities at Qinghai Normal University,in ...[Objectives]To understand the function and ritual uses of juniper wood in Tibetan communities.[Methods]Detailed surveys were carried out amongst students of the School of Nationalities at Qinghai Normal University,in order to analyze the practical application and examine the variety of viewpoints concerning functions and importance of juniper wood in Tibetan culture.[Results]193 out of 200 survey respondents completed and returned valid survey questionnaires.Among the responses,slightly more than 95%(185/193=95.8%)of the total number of informants stated that the primary function of juniper wood was its use as an incense,burned as part of religious ritual or home purification.73%(142/193=73.58%)of informants said that juniper wood also represents a kind of sacred wood or prayer-wood(tib.lab-tse).An equal number of respondents also shared about the use of juniper in the making of prayer-beads.About 62%(121/193=62.6%)responded that juniper is used to make prayer-flag poles.About 45%said that juniper wood is understood as a sacred plant and thus"marked"with sheep wool or silk,and therefore protected from other human interaction by such markings.Additionally,49%(96/193=49.7%)of the informants indicated that juniper wood is also used for medicinal incense.Finally,about 34%(67/193=34.7%)noted juniper is also used for medicinal bath.[Conclusions]The survey responses demonstrate that the function and importance of juniper wood permeate several aspects of Tibetan belief and culture.展开更多
文摘目的分析高山辣根菜中挥发油及多糖含量。方法根据2020年版《中华人民共和国药典》第四部挥发油测定方法乙法测定挥发油的含量,通过气相色谱质谱联用仪(gas chromatography and mass spectrometry,GC-MS)分析挥发油中的化学成分,并用峰面积归一化法进行定量分析,计算各成分的相对百分含量,用紫外分光光度法测定高山辣根菜中多糖的含量。结果高山辣根菜中多糖和挥发油含量分别为5.87%、0.77 g·mL^(-1);从高山辣根菜挥发油中分析、鉴定出38种化合物,其中苄基异硫氰酸酯、苯甲腈的含量较高。结论藏药高山辣根菜挥发油中苄基异硫氰酸酯的含量最多,具有很好的开发、利用价值。
基金Supported by Higher Innovation&Entrepreneurship Talents Project at Qinghai Normal University.
文摘[Objectives]To understand the function and ritual uses of juniper wood in Tibetan communities.[Methods]Detailed surveys were carried out amongst students of the School of Nationalities at Qinghai Normal University,in order to analyze the practical application and examine the variety of viewpoints concerning functions and importance of juniper wood in Tibetan culture.[Results]193 out of 200 survey respondents completed and returned valid survey questionnaires.Among the responses,slightly more than 95%(185/193=95.8%)of the total number of informants stated that the primary function of juniper wood was its use as an incense,burned as part of religious ritual or home purification.73%(142/193=73.58%)of informants said that juniper wood also represents a kind of sacred wood or prayer-wood(tib.lab-tse).An equal number of respondents also shared about the use of juniper in the making of prayer-beads.About 62%(121/193=62.6%)responded that juniper is used to make prayer-flag poles.About 45%said that juniper wood is understood as a sacred plant and thus"marked"with sheep wool or silk,and therefore protected from other human interaction by such markings.Additionally,49%(96/193=49.7%)of the informants indicated that juniper wood is also used for medicinal incense.Finally,about 34%(67/193=34.7%)noted juniper is also used for medicinal bath.[Conclusions]The survey responses demonstrate that the function and importance of juniper wood permeate several aspects of Tibetan belief and culture.
