共查询到15条相似文献,搜索用时 78 毫秒
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用气相色谱-质谱-数据系统联用技术以及红外和核磁共振光谱分析了树兰花净油的化学成份。其萜烯部分除已报道过的(王古)(王巴)烯、丁香烯、蛇麻烯、榄香烯之外,还发现有a-橙椒烯、β-橙椒烯、双环榄香烯、β-檀香烯、γ-木罗烯、金合欢烯、α-木罗烯、β-没药烯、β-荜澄茄烯、γ-荜澄茄烯、δ-荜澄茄烯、γ-榄香烯、白菖烯、甜旗烯等倍半萜烯;而含氧部分的主要成份是茉莉酮酸甲酯和蛇麻烯环氧物Ⅱ;此外还发现有蛇麻二烯酮、蛇麻烯环氧物Ⅰ、蛇麻烯-7醇、丁香烯环氧物、T-荜澄茄醇、δ-荜澄茄醇、表-橙椒醇、橙椒醇、芳萜醇等。 相似文献
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七里香蔷薇花属蔷薇科蔷薇属,学名Rosa banksia R.Br.normalis Regel。它大量地野生在我国秦岭山区。我们采用了甘肃省成县地区的七里香浸膏~*。将它用乙醇在0℃时脱蜡三次,脱蜡后的净油用硅胶柱层析,并将其粗分成萜烯和含氧部分两段。取其含氧部分用气相色谱-质谱联用仪进行分析鉴定。重建总离子流(RIC)色谱图上有64个主峰(见图1、2)。把这些谱图对31,000个化合物的EPA/NIH/MSDC谱库进行检索并对照了其它已发表的谱图(EPA/NIH Mass SpectralData Base;Mass Spectrometry Data Centre,Eight Peak Index of Mass Spectra等),鉴定出15个化合物,它们是:丁香酚,甲基丁香酚,γ-紫罗兰酮,二氢β-紫罗兰酮,α-紫罗兰 相似文献
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继树兰花净油的分析之后,我们用气相色谱-质谱-数据系统联用技术以及红外和核磁共振光谱分析了树兰花水汽蒸馏挥发油的化学成份。发现其萜烯部分有:α-橙椒烯、(王古)(王巴)烯、丁香烯、双环榄香烯、蛇麻烯、β-檀香烯、γ-木罗烯、双氢姜黄烯、α-木罗烯、β-没药烯、白菖烯、甜旗烯。其含氧部分有甲基庚烯酮、2-乙基己醇-1、橙做醇、表-橙椒醇、丁香烯环氧物、乙酸苄酯、苄醇、蛇麻二:烯酮、芳萜醇、表-苦本醇、蛇麻烯环氧物Ⅰ、蛇麻烯环氧物Ⅱ、T-荜澄茄醇、蛇麻醇、δ-荜澄茄醇、荜澄茄烯醇、丁香二烯醇、蛇麻烯-7醇和茉莉酮酸甲酯。 相似文献
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上犹八角茴香挥发油化学成份的研究 总被引:3,自引:0,他引:3
八角茴香(Illicium verum Hook,f.)系木兰科(Magnoliaceae)八角属常绿乔木,是我国特产的芳香植物。主要分布于广西、广东、贵州、云南等省区。江西北纬26°以南地区从五十年代初开始引种。八角茴香的果实是广泛使用的调味香料,入药则有温中理气、健胃止呕的功效,并有很强的抑菌作用。 相似文献
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吉林省长白山野生百花中微量元素的分析 总被引:1,自引:0,他引:1
应用电感耦合等离子发射光谱仪(ICP-AES),首次对采自长白山野生百合花进行了微量元素成分分析,其结果为综合开发利用长白山野生百合花资源提供科学依据。 相似文献
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Xiao Yu Huaibi Zhang Juan Wang Junming Wang Zhenxing Wang Jinbo Li 《Molecules (Basel, Switzerland)》2022,27(9)
Essential oils were extracted from dark-purple, red and yellow petals of Paeonia delavayi using Supercritical Carbon Dioxide method. The compositions of essential oils were analyzed using gas chromatography-mass spectrometry (GC-MS). Antioxidant activity assays were carried out using DPPH, ABTS- and FRAP methods. Total polyphenols and total flavonoids were measured to evaluate the in vitro antioxidant activity in addition to the volatile compounds contained in the essential oils extracted from the flower petals of P. delavayi with the three flower colors. A total of 194 compounds were detected from essential oils of P. delavayi flowers, including 83 in dark-purple petals, 90 in red petals and 80 in yellow petals. These compounds mainly include alcohols, aldehydes, ketones, alkenes, alkanes, esters and polyphenols. The results showed that the volatile compounds accumulated differentially among the essential oils from the different colors of flower petals. Principal component analysis (PCA) indicated that essential oils derived from dark-purple and red petals were more closely clustered while the yellow petal essential oil was very different with both the purple-red and red. Antioxidant assays suggested that the radical scavenging activity and the iron reduction antioxidant activity in the essential oils were highly correlated with the flower petal colors. These results suggest P. delavayi flower petals are potentially good resources for high quality essential oils and natural antioxidants. 相似文献
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采用超临界二氧化碳萃取含笑花的挥发油性成分,经毛细管气相色谱-质谱联用仪(GC-MS)分析,鉴定了其中的31个挥发性化合物,用气相色谱峰面积归一法测定各组分的相对百分含量。其挥发性组分主要是倍半萜氧化物、倍半萜类物质,其相对含量分别是49.87%和32.08%。该法获得的相对含量最高的是丁香烯环氧物(30.25%),其次是匙叶桉油醇(6.78%)、β-榄香烯(5.83%)。其它含量较高的成分依次是:长蠕孢吉码烯(5.62%)、棕榈酸(4.02%)、α依兰烯醇(3.26%)、β-香桦烯(3.25%). 相似文献