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Aim To study the chemical constituents of Acrostichum aureurm.

目的对红树植物卤蕨的化学成分进行研究。

Medicinal chemistry ; structural identification ; column chromatography ; Acrostichum aureurm ; chemical constituents

药物化学；结构鉴定；柱色谱法；卤蕨；化学成分

ABSTRACT To study the antibacterial constituents from the fermentation broth of endophytic fungus Penicillium sp. 0935030 from mangrove plant Acrostichum aureurm. The separation procedure was guided by antibacterial bioassay. Seven compounds were isolated and purified by column chromatography, and their structures were identified as cyclo (1), cyclo (2), 1(2Furanyl)1,2ethanediol (3),(3β,4β,22β)olean12ene3,22,23triol (4), mannitol (5), uridine (6), and liquiritigenin (7) by physicochemical and spectral data.

为研究红树林植物卤蕨内生真菌Penicillium sp.0935030发酵物中的抗菌活性成分，采用活性追踪的方法，用多种色谱技术对化合物进行分离纯化，通过理化性质和光谱数据鉴定出7个化合物，分别为：环(1)，环(2)，1呋喃基1，2乙二醇(3)，(3β，4β，22β)12烯3，22，23三羟基齐墩果烷(4)，甘露醇(5)，尿苷(6)和甘草素(7)。

Aim To study the chemical constituents of the root of Actinidia deliciosa.

目的 研究美味猕猴桃（A。 deliciosa）根中的化学成分。

OBJECTIVE: To isolate and elucidate the chemical constituents from the Actinidia arguta roots.

目的：分离鉴定软枣猕猴桃根化学成分。

Investigation on the chemical constituents of Nepeta prattii,Salvia tricuspis and Adenophora stenanthina subsp.xifengensis

中文题名康藏荆芥，黄鼠狼花和西峰沙参化学成分研究

Efficacious drugs were made of these species for treatment of cough, phlegm, breathe heavily, especially, to cure lung disease. We have investigated on the Chemical constituents of Adenophora stenanthina subspecies xifengsis collected from Gansu Qingyang, and twenty four compounds were isolated from ethanol extraction by chromatography technigues. Twenty compounds were identified by means of chemical and spectra methods（IR, FAB-MS, EI-MS,〓,〓, DEPT , among which three compounds were new as 3βvanilloyloxy-stigmast-5-ene-7β-one; 3β-Vanilloyloxy-stigmast-5-en-7 β-ol; 3β-vanilloyloxy-stigmast-5-en-7β, 15 〓-diol.

我们对采自甘肃庆阳的西峰沙参Adenophorastenanthina subsp.xifengensis）进行了化学成分的研究，利用现代层析手段从该植物的乙醇浸膏中分离出二十四个化合物，经化学方法和波谱技术（红外，质谱，核磁共振谱）鉴定了二十个化合物的结构，其中三个为新的化合物，它们分别是：豆甾-5-烯-7-酮-3β-香草酸酯；7β-羟基-豆甾-5-烯-3β-香草酸酯；7β，15ξ-二羟基-豆甾-5-烯-3β-香草酸酯。

The ingredients defining the propellant are transformed adiabatically and irreversibly to reactions product constituents in the amounts fixed by equilibrium relations, chamber pressure, and mass balance at a reaction temperature fixed by the available energy of reaction.

成分确定推进剂转化adiabatically和不可逆转的反应，产品在功能组别的金额由平衡关系，商会的压力，和质量平衡，在反应温度固定由现有的能源反应。

Aim To study the saponin constituents of the seeds of Aesculus chinensis Bunge var. chekiangensis Fang.

目的研究传统中药浙江七叶树Aesculus chinensis Bunge var.chekiangensisFang种子中的皂苷类成分。

In this paper, the chemical constituents of essential oil of Agastache formosanum Hay.,planted in Dunhuang of Gansu Province of China, have been studied by capillary gas chroma-tography-mass spectrometry.

本文介绍采用毛细管气相色谱-质谱法研究了甘肃敦煌栽培的茴霍香精油的化学成分。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。