1) Tenacissoside-B
通关藤苷B
1.
Comparison of Contents of Steroidal Glycosides and Tenacissoside-B in Marsdenia tenacissima from Different Habitats
不同产地通关藤药材中总皂苷与通关藤苷B的含量比较
2) 11α,12β-di-O-2-methylbutyryl-tenacigenin B
11α,12β-二-O-2-甲基丁酰基-通光藤苷元B
1.
Their structures were identified as 11α,12β-di-O-2-methylbutyryl-tenacigenin B (Ⅰ),11α-O-2-methylbutyryl-12β-O-acetyl-tenacigenin B (Ⅱ),tenacissoside H (Ⅲ),and marsdenoside A (Ⅳ),respectively.
结果从通光藤的70%乙醇提取物中分离得到了4个C21甾体化合物,分别鉴定为11α,12β-二-O-2-甲基丁酰基-通光藤苷元B(Ⅰ)、11α-O-2-甲基丁酰基-12β-O-乙酰基-通光藤苷元B(Ⅱ)、通光藤苷H(Ⅲ)和marsdenosideA(Ⅳ)。
3) tenacissoside-H
通光藤苷-H
1.
The average recoveries of tenacissoside-H at different concentrations were 95.
方法:样品用甲醇提取,经ADS-7大孔吸附树脂纯化,以通光藤苷-H为对照品,浓硫酸-甲醇(4∶1)显色,在325 nm处测定通光藤中C21甾体糖苷含量。
4) Tenacissosides J
通光藤苷J
1.
Determination of tenacissosides J in Marsdenia tenacissima by capillary zone electrophoresis;
中药通光藤中通光藤苷J的高效毛细管电泳分析
2.
ResultsTwo compounds were isolated from Marsdenia tenacissima and their stuctures w ere determined as tenacissosides J (I) and tenacissosides K (II).
结果 从云南昆明产通光藤茎中分离得到 2个化合物 ,分别鉴定为通光藤苷J(tenacissosidesJ,I)和通光藤苷K(tenacissosidesK ,II)。
5) tenacisso sides K
通光藤苷K
6) tenacissoside O
通光藤苷O
1.
Conclusion Compound Ⅰ is a new C21 steroid compound,named tenacissoside O.
结论化合物Ⅰ为新化合物,命名为通光藤苷O(tenacis-sosideO)。
补充资料:通关
通关即结关、清关,是指进口货物、出口货物和转运货物进入一国海关关境或国境必须向海关申报,办理海关规定的各项手续,履行各项法规规定的义务;只有在履行各项义务,办理海关申报、查验、征税、放行等手续后,货物才能放行,货主或申报人才能提货。同样,载运进出口货物的各种运输工具进出境或转运,也均需向海关申报,办理海关手续,得到海关的许可。货物在结关期间,不论是进口、出口或转运,都是处在海关监管之下,不准自由流通。
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