香豆素

Results and Conclusions; 90 kinds of volatile oils have been checked in Angelica pubescens Maxim .

结果和结论：二者在挥发油的组成和香豆素的分类上均存在差别。

Photoinduced reactions of 1 with 15, 16 and 19 gave the corresponding annulation products 21 (58%), 30 (71%) and 35 (87%) directly in one pot sequential reactions.

二氯香豆素（1）可分别与2-和3-苯基苯并呋喃以及2-甲基-4-苯基噻唑在光照条件下经一锅内的连续反应直接合成增环产物21（58％），30（71％）和35（87％）。

Objective: To survey the influence and mechanism of the coumarins from Radix Angelicae Dahuricae on the hypnotic effects of pentobarbital sodium and barbital sodium in mice.

目的：通过观察杭自芷香豆素对戊巴比妥钠和巴比妥钠催眠作用的影响，初步探讨其中枢作用及其发生机制。

Our results suggest that the chemical structure and number of hydroxyl groups on the benzene ring of coumarin were correlated with the effects of ROS suppression.

结果发现所有的香豆素衍生物都具有抑制黄嘌呤氧化酶活性的能力，且其抑制型态属於竞争型抑制剂。

This product not only contains VA, VC, VE, VK, VB1, VB2, flavonoid, and coumarin etc., but also is replenished with hawthorn (containing large amount of malol,malic acid, VB2, VC, carotin, calcium, iron, phosporus, flavone and other nutritive substances and numerous alkaloids, more than twenty kinds of ingredients all together) and apricot, which make it more nutritious and easier to be absorbed by the body.

沙棘精不仅保留了沙棘中的维生素A、C、E、K、B1、B2、黄酮类、香豆素等成分，而且因添加了山楂（大量的熊果酸、苹果酸、维生素B2、维生素C、胡萝卜素、钙、铁、磷、黄酮素等二十多种营养物质和大量的生物碱）、杏，使其营养成分更加丰富并且更容易被人体均衡吸收。

This product not only contains carotin, VA , niacin, ascorbic acid,lactochrome, linolic acid , medlar polyoses, calcium, phosphorus, iron, and protein etc, but also is replenished with red chinese date ( containing protein, polyoses, VC and other vitamins, CAMP, and ursolic acid etc) and seabuckthorn ( containing VA, VC,VE,VK,VB1,VB2, flavonoid, and coumarin etc.), which make it more nutritious and easier to be absorbed by the body.

枸杞红素不仅保留了枸杞中的胡萝卜素、维生素A、烟酸、抗坏血酸、核黄素、亚油酸、枸杞多糖、钙、磷、铁、蛋白质等成分，而且因添加了红枣（含有蛋白质、多糖、维生素C等多种维生素、环磷酸腺苷及熊果酸等成分）、沙棘（含有维生素A、C、E、K、B1、B2、黄酮类、香豆素等成分）使其营养成分更加丰富并且更容易被人体均衡吸收。

Water,Hydrogenated Polyisobutene,Cyclohexasiloxane,Glycerin,Alcohol Denat,Cetearyl Alcohol,PEG-20,Petrolatum,C13-14 Isoparaffin,Zea Mays Oil,Tocopheryl Acetate,Hydroxypropyl Tetrahydropyrantriol,Hydrolyzed Soy Protein,CI 14700/Red 4,Phenoxyethanol,Adenosine,PEG-100 Stearate,Ethylparaben,Triethanolamine,Polyacrylamide,Malus Domestica Stem Cell Culture,CI 19140/Yellow 5,Dimethyl Isosorbide,Dimethicone,Dimethiconol,Limonene,Xanthan Gum,Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate,Linalool,2-Oleamido-1,3-Octadecanediol,Capryloyl Salicylic Acid,Acrylates/C10-30 Alkyl Acrylate Crosspolymer,Passiflora Edulis Seed Oil,Disodium EDTA,Castanea Sativa Seed Extract,Butyrospermum Parkii· Cetyl Alcohol,Butylene Glycol,Octyldodecanol,Cetearyl Glucoside,Methylparaben,Citronellol,Prunus Armeniaca Kernel Oil,Laureth-7,Coumarin,Oryza Sativa Bran Oil,Glyceryl Stearate,Fragrance

水，甘油，氢化聚异丁烯，液体石蜡/矿油，丁二醇，环己硅氧烷，鲸蜡醇，甘油硬脂酸酯，棕榈油，玉米胚芽油，PEG-100硬脂酸酯，白蜂蜡/蜂蜡，肉豆蔻醇肉豆蔻酸酯，石蜡，香精，腺苷，苧烯，山梨醇，CI 14700，CI 19140，稻糠油，杏仁油，EDTA二钠，羟丙基四氢吡喃三醇，苯氧乙醇，聚乙二醇-14M，异十六烷，氢氧化钠，辛基十二醇，季戊四醇四（双-t-丁基羟基氢化肉桂酸）酯，山梨坦三硬脂酸酯，水解大豆蛋白，卡波姆，鸡蛋果籽油，苹果果实提取物，欧洲栗籽提取物，异山梨醇酐二甲醚，聚山梨醇酯-80，辛酰水杨酸，2-油酰胺基-1，3-十八烷二醇，氯苯甘醚，麦芽糖醇，香豆素，黄原胶，微晶蜡，丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物，丙二醇，芳樟醇，香茅醇，玉米油，羟苯丙酯，羟苯甲酯

Three methods for synthesis of coumarin were introduced in the article,and their advantages and disadvantages were compared.

对香豆素常用的三种合成方法进行了介绍，对其工业化生产的优缺点进行了对比，最终选定了水杨醛法，并给出了工艺流程图和操作步骤。

Firstly, analysis method of coumarin in melilotus was researched.

首先，对草木樨中的香豆素进行了分析方法的研究。

So right in ionic liquid medium of coumarin synthesis of high significance.

因此对在离子液体介质中的香豆素合成具有很高的研究意义。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失