Study on extraction and purification of hypericin from hypericun perforatum l . with ethanol 金絲桃素的提取純化工藝研究
The content of total hypericin in hypericum perforatum linn varies according to different medicinal parts . the content in the leaf comes to the highest 02604人貫葉連翹不同藥用部位的總金絲桃素含量差異較大,葉的含量最高。
This conclusion is typically significant in phytochemical classification and quality evaluation . in order to comprehensively evaluate the qualities of the herbs from hypericum , tlc identification of the chief bioactive components , contents determination of hypericin , total flavones and hyperoside , contents determination of the essential oils and gs - ms analysis of their chemical components have been carried out 全面的評價了藥材品質(zhì),本課題對樣品藥材的主要有效成分進行了tlc鑒別,總金絲桃素、總黃酮、金絲桃昔含量測定,揮發(fā)油含量測定及成分分析。
The distributions of various glands and their sizes and densities on leaves have also been observed . combining with the data obtained from ultraviolet spectra , it has been concluded that hypericin does not exist in sect ascyreia and sect spachinm . hypericin is only limited to sect hypericum and sect adenosepalum 還觀察統(tǒng)計了各類腺體的分布及在葉片上的大小、密度,結(jié)合紫外光譜,總結(jié)提出的金絲桃組和地耳草組植物不含金絲桃素、金絲桃素僅局限分布于貫葉連翹組和遍地金組的結(jié)論,具有典型的植物化學(xué)分類意義及藥材品質(zhì)評價意義。
Based on the revealed relationship between the secretary structures and substances , the secretary tissues of hypericum are classified into 2 main types : type i is the tissue that secretes and stores such dianthrone compounds as hypericin . this a group of secretary cells , forming into black glands . type ii is the tissue that secretes and stores essential oils 進行了金絲桃屬藥用植物分泌組織的系統(tǒng)研究,揭示出其分泌結(jié)構(gòu)與分泌物質(zhì)的關(guān)系,并在此基礎(chǔ)上提出了該屬藥用植物分泌組織主要類型的劃分:一類是分泌和貯存二蒽酮金絲桃素類化合物的組織,多為分泌細胞組成的細胞團,形成黑色腺體;另一類是分泌和貯存揮發(fā)油類成分的組織,是裂生性的分泌腔或分泌道,常形成半透明腺體。