扁蓄种子的营养成分

对子午岭扁蓄种子的营养成分进行分析 ,扁蓄种子中含有丰富的氨基酸、维生素和种类比较齐全的矿物元素 ;种子油含大量人体所必需的不饱和脂肪酸。扁蓄种子和种子油具有较高的营养价值 ,在食物、香料和医药等领域具有潜在的开发利用前景。     

Synthesis and Study of Spectroscopic Properties of Imidazole Porphyrin and Its Zn(Ⅱ) Complex

A novel sensitizer with imidazole zinc porphyrin as electron donor has been synthesized. The structure has been characterized by UV-Vis, elemental analyses and 1 H NMR.UV-Vis and fluorescence spectra show that it has good light absorbing properties in the range of visible light and suggests that it has potential applications in dye-sensitized solar cells.     

白花茵陈挥发油主要化学成分及抑菌作用的研究

采用水蒸气蒸馏法从白花茵陈中提取挥发油．出油率为3．2％．利用GC—MS—DC联用方法，在最佳分析条件下．共分离出51个峰．并对其化学成分进行了分析．鉴定出了45个化学成分，鉴定率为88．24％．其主要成分为：百里香酚(thymol)58．43％、香荆芥酚(carvacrol)19．29％、异己烷(isohexane)2．74％、甲基香荆醚(methyl catvacryiether)2．67％、乙酸牦牛儿酯(geranylacetane)0．96％、甲基百里醚(methyl thymyiether)0．73％、对-聚伞花素(p—cymene)0．34％等．并对白花茵陈挥发油的部分抑菌作用进行了研究．     

Two Novel Coordination Polymers of Schiff Base Ligands: Synthesis,Crystal Structures and Antibacterial Properties Studies

Two novel complexes [Ag L~1(NO_3)H_2O]_n(1) and [Pb L_2(NO_3)_2]_n(2) were synthesized by the evaporation reaction with metal salts and Schiff base ligands. They were characterized by elemental analyses, IR spectra and X-ray single-crystal diffraction. 1 crystallizes in monoclinic, space group P21/c with a = 18.358(3), b = 10.0395(15), c = 13.4643(16) ?, β = 91.749(12)o, V = 2480.4(6) ?3, Dc = 1.597 g/cm~3, Mr = 596.35, F(000) = 1208, Z = 4, R = 0.0772 and w R = 0.0927. 2 crystallizes in monoclinic space group C2/c with a = 15.8549(10), b = 21.1988(17), c = 17.7198(12) ?, β = 105.829(8)o, V = 5729.9(7) ?~3, Dc = 1.645 g/cm~3, Mr = 709.63, F(000) = 2736, Z = 8, R = 0.0541 and w R = 0.1175. X-ray single-crystal diffraction experiments of 1 and 2 display that extensive π×××π stacking interactions and hydrogen bonds construct into a 2D rectangular network and a 3D supramolecular framework. The antibacterial properties of L1, L2, 1 and 2 were also studied.     

黄荆子挥发性成分的分析

分别采用水蒸汽蒸馏法和超临界流体CO2萃取法提取黄荆子中的挥发性成分.利用气相色谱-质谱(GC/MS)联用技术对其化学成分进行了分析鉴定,并通过面积归一法测定了各成分的相对含量.对两种提取方法的结果进行了比较.结果表明,子午岭的黄荆子中含有多种药用成分,而超临界流体CO2萃取法更能有效地提取黄荆子中的有效成分.     

香薷化学成分的研究

从香薷全草的乙醇提取物中分离出5个化合物,经对理化性质和波谱数据分析,鉴定其结构分别为:咖啡酸(1),阿魏酸正十八酯(2),β-胡萝卜苷(3),熊竹素(4)和儿茶素(5),其中化合物(2)和(5)为首次从该属植物中分离得到.     

蕤核挥发油化学成分的分析

采用普通水蒸气蒸馏法提取蕤核挥发油,通过气相色谱-质谱(GC-MS)联用技术进行分析鉴定,共鉴定出33种化学组分,占挥发油总量的78.038%.主要含有斯巴醇(10.265%),亚油酸(8.075%),β-石竹烯(7.278%),7-辛烯-4-醇(6.572%),枯茗醛(4.435%),α-非兰烯醇(4.093%)等。