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| | By the end of the year 1956, 84 commercial samples of different botanic origin named "Pai-Tou-Weng" (白头翁) were collected from 18 provinces and municipal districts in China, among which 16 species in the following table are identified. № Scientific Name Family Sourcos 1. Pulsatilla chinensis (Bge.) Reg. Ranunculaceae Hupeh, Anhwei 2. Anemone tomentosa (Max.) S. & Z. Ranunculaceae Kansu 3. Anemone japonica (Th.) S. & Z. Ranunculaceae Szechuan 4. Anemone vitifolia Buch. -Ham. Ranunculaceae Kansu, Houan 5... | | 作者等在全国十八个省市收集到有关中药“白头翁”样品84号,进行了植物及生药鑑定,共发現有18种不同的植物来源,其中16种的学名已經确定,除正品白头翁以及委陵菜、翻白草的生药学研究已于前文报告外,本文繼續报告秋牡丹、大火草、野棉花、祈州、漏蘆及毛大丁草的生药学研究結果,对其余八种,也作了植物形态的简要記述。白头翁、秋牡丹等八种的生药形态及組織特征列如表2。 | | 文摘来源 | | The roots of Anemone tomentosa (Maxim. ) Pei (Ranunculaceae) have been used as traditional medicine for the treatment of dysentery, infantile malnutrition, carbuncles, etc. Ethyl acetate extract of the roots displaied stronger antifeedant activity against Leucania separata Walker. Eleven compounds were isolated by silica gel columm chromatography from the extract and their structures were identified as 4,5-dimethoxyl-7-methyl-coumarin (1 ), 4-methoxyl-5(methyl-6, 7 - methylenedioxy- coulnarin (2 ), 4, 7 - d... | | 大火草(Anemone tomentosaa(Maxim.)Pei)根状茎提取物的乙酸乙酯部分对粘虫(LeucaniaseparataWalker)有较好的非选择性拒食活性。从该部分分离得到11个化合物,通过NMR、MS等波谱分析确定它们的结构分别为4,5-二甲氧基-7-甲基香豆素(1)、4-甲氧基-5-甲基-6,7-二氧亚甲基香豆素(2)、4,7-二甲氧基-5-甲基香豆素(3)、齐墩果酸(4)、齐墩果酮酸(5)、齐墩果酸-3-O-β-D-吡喃木糖甙(6)、β-谷甾醇(7)、豆甾醇(8)、胡萝卜甙(9)、豆甾醇-3-O-β-D-吡喃葡萄糖甙(10)和过氧化麦角甾醇(11)。这些化学成分均为首次从该植物中分离得到,其中1和2为新化合物。 | | 文摘来源 | | The somatic chromosome number and detailed chromosome morphology have been studied in ten species of Anemone , one species of Anemoclema , and six species of Clematis , all from China, namely Anemone davidii Franch. (2n=4x=32), A. stolonifera Maxim. (2n=2x=16), A. flaccida Fr. Schmidt (2n=2x=14), A. rivularis Buch._Ham. (2n=2x=16), A. begoniifolia Lévl. et Vant. (2n=2x=16), A. hupehensis Lem. f. alba W. T. Wang (2n=2x =16), A. tomentosa (Maxim.) Péi (2n=2x=16), ... | | 研究了国产毛茛科银莲花族Trib .Anemoneae 1 7种植物的染色体数目和核型。 1 0种银莲花属AnemoneL .植物中 ,1种 (西南银莲花A .davidii)为x =8的四倍体 ( 2n =4x =32 ) ,5种 (匍枝银莲花A .stolonifera、草玉梅A .rivularis、卵叶银莲花A .begoniifolia、水棉花A .hupehensisf.alba、大火草A .tomen tosa)为x =8的二倍体 ( 2n =2x =1 6) ,4种 (鹅掌草A .flaccida、湿地银莲花A .rupestris、蓝匙叶银莲花A .trullifoliavar.colestina、拟条叶银莲花A .trullifoliavar.holophylla、展毛银莲花A .demissa)为x=7的二倍体 ( 2n =2x =1 4)。罂粟莲花Anemoclemaglaucifolium为x =8的二倍体。 6种铁线莲属ClematisL .植物 (滇川铁线莲C .kockiana、长花铁线莲C .rehderiana、毛茛铁线莲C .ranunculoides、扬子铁... | | 文摘来源 | |   | | << 更多相关文摘 |
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