1) xanthone
[英]['zænθəun] [美]['zænθon]
山酮
1.
Distribution and Pharmacological Function of Xanthones in Plants
山酮在植物中的分布及其药理作用
2.
The electromigration behavior of ten xanthones in capillary zone electrophoresis (CZE) with βcyclodextrin (CD) or sulfated βCD as an additive was investigated, and apparent analyteselector binding constants (K) between sulfated βCD or βCD and the xanthones were calculated.
研究了毛细管区带电泳分离中以β 环糊精(β CD)和磺酸化β CD为添加剂时10个山酮类化合物电泳行为的差异,并用毛细管电泳求得β CD和磺酸化β CD与山酮类化合物间的结合常数。
2) hawthorn flavones
山楂黄酮
1.
To separate and purify the water soluble Hawthorn flavones and to establish the optimum technological parameters of purification.
利用大孔吸附树脂分离纯化山楂黄酮并确定合适的工艺参数,同时以比色法测定其含量,并对山楂黄酮的抗氧化活性做了初步研究。
3) hawthorn flavonoids
山楂黄酮
1.
The effect of purifying hawthorn flavonoids by macroporous adsorption resin is studied.
对5种大孔吸附树脂纯化山楂黄酮的效果进行了比较。
4) xanthone
[英]['zænθəun] [美]['zænθon]
口山酮
1.
Determination of four prenylated xanthones in the roots of Cudrania tricuspidata by RP-HPLC;
RP-HPLC法测定柘树根中四种异戊烯基口山酮的含量
2.
Their structures are identified by spectral method as 1-hydroxy-3,5-dimethoxyxanthone (Ⅰ),1-lydroxy-3,7,8-trimethoxy xanthone (Ⅱ),1,8-dihydroxy-3,5-dimethoxyxanthone(Ⅲ),1,8-dihydroxy-3,7-dimethoxyxanthone(Ⅳ),1,7-dihydroxy-3,8-dimethoxyxanthone(Ⅴ),β-sitosterol(Ⅵ) and β-daucosterol(Ⅶ).
的全草中分离得到了7个化合物,5种口山酮和2种甾醇类化合物。
3.
Six xanthone constituents have been isolated and elucidated as 2,3- dimethoxyxanthone (1),1,3- dihydroxy-5,6- dimethoxyxanthone (2),toxyloxanthone B (3),kielcorin (4),candensin D(Hypericorin) (5) and s.
Robson)全株的有效部位进行化学成分分离纯化,得6个口山酮类化合物,通过理化数据测定及波谱数据分析,鉴定了结构,分别是:2,3-二甲氧基口山酮(1),1,3-二羟基-5,6-二甲氧基口山酮(2),ToxyloxanthoneB(3),Kielcorin(4),CandensinD(Hypericorin)(5)和Subalatin(6)。
5) xanthone
[英]['zænθəun] [美]['zænθon]
(口山)酮
1.
To study the xanthones from the leaves of Calophyllum inophyllum Linn.
为了研究红厚壳叶中的(口山)酮类成分,采用多种色谱方法对红厚壳叶95%乙醇提取物进行分离纯化,从氯仿萃取物中分离得到1个新化合物inophyxanthone A(1)以及4个已知化合物pancixanthone A(2)、gerontoxanthone B(3)、jacareubin(4)和pyranojacareubin(5),其中化合物2为首次从该植物中分离得到,化合物3为首次从红厚壳属植物中分离得到。
6) xanthone glycosides
口山酮苷
补充资料:交互对生山酮
分子式:
CAS号:
性质:又称1-羟基-2,6,8-三甲氧基黄烷酮。黄色针状结晶。熔点149~150℃。能溶于氯仿、乙醇、丙酮,难溶于苯、石油醚,不溶于水。为黄烷酮衍生物,存在于龙胆科植物獐牙菜(Swertia decusata)的花中,可经石油醚萃取而得。用作染料原料。其衍生物:单乙酸酯,白色针状结晶,熔点167℃。单甲醚,淡黄色板状结晶,熔点165℃。
CAS号:
性质:又称1-羟基-2,6,8-三甲氧基黄烷酮。黄色针状结晶。熔点149~150℃。能溶于氯仿、乙醇、丙酮,难溶于苯、石油醚,不溶于水。为黄烷酮衍生物,存在于龙胆科植物獐牙菜(Swertia decusata)的花中,可经石油醚萃取而得。用作染料原料。其衍生物:单乙酸酯,白色针状结晶,熔点167℃。单甲醚,淡黄色板状结晶,熔点165℃。
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