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双语推荐:广藿香酮

目的:优化广藿香挥发油的提取工艺,建立同时测定广藿香酮和百秋李醇含量的方法,比较不同产地广藿香药材的质量。方法采用正交试验考察广藿香挥发油的最佳提取工艺;采用气相色谱法同时测定不同产地广藿香挥发油中百秋李醇和广藿香酮的含量,以百秋李醇和广藿香酮的总含量与挥发油收率为指标评价不同产地广藿香药材的质量。结果广藿香挥发油最佳提取工艺为加8倍量水浸泡4 h,蒸馏提取4 h;建立的含量测定方法线性关系良好,准确度高,稳定可靠。结论优选的提取工艺科学合理,适合广藿香挥发油的工业化生产;建立的百秋李醇和广藿香酮测定方法准确可靠、易于操作、重复性好,适用于广藿香药材的质量控制;5个不同产地的广藿香药材在挥发油收率、百秋李醇和广藿香酮总含量等的差异均较大。
Objective To optimize the extraction process of patchouli volatile oil,to establish a simultaneous determination method of the patchoulenone and patchouli alcohol contents,and to compare the qualities of the Pogostemon cablin from different habitats. Methods The optimal extraction technology of patchouli volatile oil was determined with the orthogonal experiment;the gas chromatography method was adopted to simultaneously determining the content of patchoulenone and patchouli alcohol. The qualities of the patchouli medicinal material from different habitats were evaluated by the total content of patchoulenone and patchouli alcohol,as well as the yield of volatile oil. Results The optimal extraction of patchouli volatile oil was adding 8 times the amount of water,soaking for 4 h,then con-ducting distillation extraction for 4 h;the established content determination method had good linearity and high accuracy,and was stable and reliable. Conclusion The optimized extraction techno

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比较广藿香和土藿香挥发油化学成分以及两种藿香的显微特征,建立区别广藿香和土藿香的方法。方法:GC-MS法比较广藿香、土藿香挥发油化学成分;显微鉴定法区别广藿香叶、土藿香叶。结果:广藿香油、土藿香油的主要成分分别为广藿香醇(71.45%)和长叶薄荷(37.58%),可分别作为广藿香油、土藿香油的特征性成分,用于广藿香、土藿香的鉴定。广藿香叶腺毛头部多为2细胞,土藿香叶腺毛头部多为单细胞;广藿香叶非腺毛以1~4细胞为主,土藿香叶以1~3细胞为主,差别较明显,可用于鉴别广藿香、土藿香。结论:本法简单可靠,可用于广藿香和土藿香的种类鉴别。
Objective:To compare the chemical components of Herba Pogostemonis and Herba Agastachis rugosae, and develop a new method for the identification of them. Methods: Comparing the chemical components in volatile oil of Herba Pogostemonis and Herba Agastachis rugosae by GC-MS, and identifing leaves of them by micro-characteristics. Results: Patchouli alcohol(71.45% ), the major component of Herba Pogostemonis, was its characteristic constituent and pulegone(37. 58% ) was the major component and characteristic constituent of Herba Agastachis rugosae. Two cells formed the head of glandular hairy in Herba Pogostemonis, while only one formed the head of glandular hairy in Herba Agastachis rugosae. The nonglandular hair was mainly constituted by one to three cells in Herba Pogostemonis, while one to four cells constituted the nonglandular hair in Herba Agastachis rugosae. Conclusion: A simple and dependable identification method has been developed for Herba Pogostemonis and Herba Agastachis rug

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以水蒸气蒸馏法提取了橡胶林下栽培和露地栽培的广藿香精油,并利用GC-MS对所产的广藿香精油进行了成分分析,以研究橡胶林下栽培与露地栽培广藿香精油的产量与品质差异。结果表明:橡胶林下栽培广藿香和露地栽培广藿香2种栽培模式下的广藿香精油产量分别为1.77%和2.09%,其主要成分都是δ-愈创木醇、广藿香醇、α-愈创木醇,β-藿香萜烯,α-藿香萜烯等28种挥发性成分,其成分的一致度100.00%,其主要差异为同种组分间的含量差异,其中差异较大的成分有宝丹广藿香醇、δ-愈创木醇、β-藿香萜烯和α-愈创木醇,差异率从1.18%~4.60%不等。2~3年树龄橡胶林是广藿香适宜栽培环境,其对广藿香精油产量与品质影响较小,在海南橡胶林下推广种植广藿香具有良好的经济效益和生态效益。
In order to study the quantity and quality difference of patchouli essential oils with singlecropping and intercropping with Hevea brasiliensis,the patchouli essential oils were extracted by steam distillation. Then the chemical composition was analyzed by GC-MS. The yields of patchouli essential oils from singlecropping and intercropping with Hevea brasiliensis were 1. 77% and 2. 09%. The chemical composition of patchouli essential oils with different cropping mode had little difference,and main compounds were δ-guaiene,patchouli alcohol,α-guajene,β-patchoulene,α-patchoulen,etc. The difference of patchouli essential oils with different cropping mode were the amount of same chemical composition,such as boldenon,patchouli alcohol,δ-guaiene,β-patchoulene and α-guajene,and the variance ratios of contents ranged from 1. 18% to 4. 60%. 2-3 year-age of Hevea brasiliensis grove was a suitable cultivation environment for Pogostemon cablin planting,and the patchouli essential o

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目的:分析广藿香挥发油的傅里叶变换红外光谱及所含的化学成分。方法采用傅里叶变换红外光谱法和气相色谱-质谱法测定样品挥发油的指纹图谱和化学成分,用色谱峰面积归一法计算各化学成分的相对百分含量。结果从4批广藿香饮片挥发油中共鉴定出20种化学成分,占挥发油总量的90.6%~96.0%。其中特征成分均为广藿香醇(19.6%~46.2%)、广藿香酮(5.2%~27.5%)、α-愈创木烯(3.8%~6.7%)、δ-愈创木烯(4.8%~8.3%)、α-广藿香烯(3.8%~4.3%)、β-广藿香烯(4.5%~14.8%)、刺蕊草烯(4.1%~5.0%)、β-丁香烯(4.3%~5.0%)等。结论上述方法简单,迅速,准确,可用于市售广藿香的质量控制。
Objective To analyze through infrared spectroscopy the chemical components of the essential oils in processed Pogostemonis Herba. Methods The fingerprints and constituents of the essential oils from 4 samples were analyzed by FTIR and GC-MS. The relative content of each component was determined by area normalization. Results The compounds of 20 kinds were all identified from the volatile oils of 4 samples,which accounted for 92.7%-94.3% of the total volatile oils. The characteristic compounds of the volatile oils are patchouli alcohol (19.6%-46.2%),pogostone (5.2%-27.5%),α-guaiene (3.8%-6.7%),δ-guaiene(4.0%-8.3%), α-patchoulene(3.8%-4.3%),β-patchoulene(4.5%-14.8%),seychellene(4.1%-5.0%),β-caryophyllene(4.2%-5.0%),etc. Conclusion This method is simple, rapid and accurate for the quality control.

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目的:研究广藿香Pogostemon cablin(Blanco) Benth.地上部分的化学成分。方法:采用硅胶、Sephadex LH-20及反相C18柱色谱等分离,运用波谱数据鉴定化合物的结构。结果:从广藿香地上部分中分离鉴定了13个化合物,分别为:百秋李醇(1)、广藿香酮(2)、木栓(3)、表木栓醇(4)、齐墩果酸(5)、齐墩果酸甲酯(6)、50α-豆甾-3,6-二(7)、豆甾-4-烯-3-N(8)β-谷甾醇(9)、藿香黄醇(10)、5-羟基-3,3’,4’,7-四甲氧基黄(11)、(一)-愈创木基丙三醇(12)和邻苯二甲酸二丁酯(13)。结论:其中,化合物6、7、8、12和13为首次从该属植物中分离得到。
Objective:To investigate the chemical constituents of the aerial parts of Pogostemon cablin.Methods:The constituents were isolated by column chromatography over silica gel,Sephadex LH-20 and C18.Structures were identified by spectroscopic data analysis.Results:Thirteen compounds were obtained and elucidated as patchouli alcohol (1),pogostone (2),friedelin (3),epifriedelinol (4),oleanolic acid (5),methyl oleanolate (6),5 α-stigmast-3,6-dione (7),stigmast-4-ene-3-one (8),β-sitosterol (9),pachypodol (10),retusin (11),(-)-guaiacylglycerol (12) and dibutyl phthalate (1 3).Conclusion:Compounds 6,7,8,12 and 13 are isolated from this genus for the first time.

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目的研究药用植物广藿香内生真菌露湿漆斑菌(Myrothecium roridum)菌丝体的化学成分。方法采用正相硅胶柱层析、C18反相硅胶柱层析、sephadex LH-20凝胶柱层析以及薄层层析等色谱方法进行分离纯化,通过波谱数据分析结合文献对照对化合物结构进行鉴定。结果从广藿香内生真菌露湿漆斑菌菌丝体中分离并鉴定出5个化合物,分别为啤酒甾醇(1)、麦角甾醇-3-O-β-D-吡喃葡萄糖苷(2)、吡咯烷(3)、大黄酚(4)、尿嘧啶核苷(5)。结论化合物1~4均为首次从该属真菌中分离得到。
Objective To study on the chemical constituents of the mycelia of an endophytic Myrothecium roridum from Pogostemon cablin. (Blanco) Benth.. Methods The compounds were isolated and purified by various chromatographic methods such as silica gel, reverse phase silica gel, sephadex-LH20, preparative TLC,and so on. Their structures were determined by extensive analysis of their spectroscopic data as well as comparison with literature reports. Results Five compounds were isolated and identified as cerevisterol( 1) , ergosterol-3-O-β-D-glucopyranoside(2),pyrrolidone(3), chrysophanol(4) and uridine(5). Conclusion Compounds 1-4 are isolated from the genus Myrothecium for the first time.

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目的:采用叶绿体基因psbA-trnH间隔区序列探讨广藿香及其常见伪品的分子鉴定方法。方法分别提取广藿香及藿香、广防风植物的总DNA,经PCR扩增psbA-trnH间隔区序列,产物纯化后测序,采用Clustal_X 1.8和MEGA 5.05软件对序列进行分析。结果广藿香与藿香、广防风的最小种间K2P 距离(0.1592)大于最大种内K2P距离(0.0043),邻接树中广藿香9个不同产地来源样品聚为一支。广藿香与藿香、广防风之间存在多个特异性信息位点。结论 psbA-trnH序列可作为广藿香及藿香、广防风分子鉴定的依据。
Objective To perform the molecular identification of Pogostemon cablin, Agastache rugosus and Epimeredi indica based on psbA-trnH intergenic spacer sequences. Methods Total DNA was extracted and psbA-trnH intergenic spacer sequences were amplified by PCR.PCR products were directly sequenced after purification.Sequences were analyzed with Clustal_X 1.8 and MEGA 5.05 software. Results The minimum inter-specific K2P distance was 0.159 2, higher than the maximum intra-specific K2P distance (0.004 3). The different samples from nine origin places of P. cablin were clustered into one clade in the Neighbor-Joining tree. Distinctive variation sites between P. cablin, A. rugosus and E. indica could be identified. Conclusion The psbA-trnH intergenic spacer sequences can be used to identificate P. cablin, A. rugosus and E. indica in molecule level.

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目的改进藿香正气口服液制剂处方中广藿香油、紫苏叶油的添加工艺,得到澄清、质量合格的制剂。方法利用滑石粉的分散吸附作用,提高广藿香油、紫苏叶油的溶解性。将广藿香油、紫苏叶油加入到滑石粉中,充分研匀,加入到藿香正气口服液中充分搅拌,过滤,即得澄清制剂。结果制剂澄清,口感好,质量合格。结论该方法可行,工艺简单而稳定,且生产成本低。
Objective To obtain a clear and qualified oral liquid preparation of Huoxiangzhengqi by improving the addition methods of patchouli oil and perilla leaf oil. Methods Pulvis Talci was used to improve the solubility of patchouli oil and perilla leaf oil. Firstly, the two kinds of oil were mixed with Pulvis Talci and triturated sufficiently. Then, the mixture was mixed with the physic liquor and agitated sufficiently. At last, the clear preparation was obtained after filtration. Results The preparation was clear, well-tasted and qualified. Conclusion The improved method is feasible, simple, stabilized and economical.

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根据已获得的广藿香转录组数据中的PSY转录本序列,利用Primer 3在线设计基因全长扩增引物,采用RT-PCR方法获得广藿香的八氢番茄红素合成酶(phytoene synthase,PSY)基因。并利用在线分析平台和生物软件对该其因进行生物信息学分析。获得的广藿香PSY1基因长1550bp,编码439个氨基酸,命名为PcPSY1,GenBank登录号为KC862310;预测了PcPSY1编码蛋白的结构与功能,且基于PSY基因利用NJ法构建了与21个不同物种间的进化树,进化树表明广藿香PcPSY1基因与桂花的PSY序列亲缘关系最近。成功克隆并分析广藿香PcPSY1基因的全长序列,为进一步阐明广藿香萜类代谢途径奠定基础。
Phytoene synthase (PSY)is a key enzyme in plant terpenoid biosynthetic pathway.According the tran-scriptome dataset of Pogostmen cablin,one unique sequence encoding PSY was discovered.The primers were de-signed according to the transcript sequence of PcPSY1 from the P .cablin transcriptome dataset with Primer 3 on-line.The open reading frame of PcPSY1 was cloned using RT-PCR strategy.The cDNA named as PcPSY1 contains a 1 550 bp open reading frame and encodes a predicted protein of 439 amino acids.The GenBank accession number for this gene is KC862310.PcPSY1 has no signal peptide.PcPSY1 is highly homologous to other PSY protein in 21 dif-ferent species and is more related to that from Osmanthus fragrans.This study cloned and analyzed mechanism of terpenoid biosynthesis in Pogostemon cablin plants.
目的:建立红外光谱技术,快速鉴别不同产地藿香的方法。方法采用傅里叶变换红外光谱技术和二维相关红外光谱法鉴定石牌广藿香(牌香),高要广藿香(肇香),海南广藿香(南香),湛江广藿香(湛香)等四种药材。结果四种不同产地的广霍香(南香、湛香、牌香、肇香)的一维红外光谱和高分辨的二阶导数谱的结果相一致,确切地佐证了南香药材与其它三个产地药材相比具有明显的差异性,很好地解释了南香属于广藿香伪品的论证。二维红外相关谱表明:肇香在940 cm-1的自动峰最强,而牌香和湛香在947 cm-1为最强峰,两者相差了7个波数。湛香1151 cm-1的自动峰明显强于牌香的自动峰,另外湛香947 cm-1的交叉峰也明显强于牌香的交叉峰。凭借自动峰和交叉峰的强弱既可以作为鉴别相似度较大的牌香和湛香的依据。结论红外光谱、二阶导数谱和二维相关红外光谱等三谱技术可以相互补充,相互佐证,可以鉴别四种广藿香的产地,同时也可以看到肇香与牌香、湛香的品质相近,但不完全相同,品质最差的是南香,即海南产的广藿香
Objective To establish the infrared spectroscopic technique to identify pogostemon ca-blins from different areas .Methods Fourier transform infrared spectroscopy and two-dimensional infrared correlation spectroscopy analysis were used to identify pogostemon cablins , including Paixiang , Zhaoxiang , Nanxiang and Zhanxiang .Results The results of one-dimensional infrared correlation spectroscopy were consistent with those of second derivative spectroscopy , which indicated that Nanxiang was markedly differ-ent from the other three varieties , leading support to the argument that Nanxiang was a fake pogostemon ca -blin.The result of two-dimensional infrared correlation spectroscopy suggested that the strongest automatic peak of Zhaoxiang was at 940 cm-1 while that of Paixiang and Zhanxiang was strongest at 947 cm-1 .More-over, the auto peak of Zhaoxiang was stronger than that of Paixiang at 1151 cm-1 and the cross peak of Zhaoxiang was stronger than that of Paixiang at 947 cm-1