• 目的优选山楂提最佳工艺条件

    ObjectiveTo study the alcohol extracting technical condition of Folium Crataegi.

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  • 主要叶醇、香草叶醇

    Type mainly containing geraniol, citronellol and cineole.

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  • 本文研究和橙花合成方法。

    The synthetic route of geraniol and nerol was studied.

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  • 主要成分凤梨鼠尾草香豆素叶醇

    Ingredients: Salvia Officinalis Saga, Coumarin, Geraniol.

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  • 结论糖苷可以作为原料应用卷烟中。

    The conclusion was that geranyl glycoside could be used as a flavor material in cigarette flavoring.

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  • 含量红豆杉最高,东北红豆杉及云南红豆杉次之。

    Taxol content in needle and swig of Taxus yunnanensis was the highest within four species from East Asia area, Taxus cuspid…

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  • 本文综述国内外制取各种方法及其应用开发现状,展望了其发展前景。

    In this paper, the methods of preparing leaf alcohol as well as its application and prospect in domestic and abroad were reviewed.

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  • 合成香茅的方法很多,目前香料工业上常用香茅醛还原或加氢合成香茅

    On the perfume industry at present, citronellol is prepared from oil of citronellal and geraniol.

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  • 综述的合成方法及国内外研究现状,并简单介绍了叶醇应用情况市场前景

    Leaf alcohol is an important perfumery component. This paper reviews its preparing methods, recent research progress, applications, and market prospect.

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  • 柠檬鹳草香茅精。香茅叶醇含量测定填充和毛细柱相色谱

    Oils of eucalyptus citriodora, geranium and citronella. determination of citronellol and geraniol content. gas chromatographic method on packed and capillary column.

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  • 今天更多研究发现天竺葵中确实存在一种使蚊虫不会靠近成分——香

    Today, the hard data exists that proves that the use of geraniums is more than a tradition passed down from generation to generation.

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  • 本文研究3-氯丙三苯基膦原料利用威蒂希反应合成路线

    A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied.

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  • 它们乙酸酯皂化制得相应通过高效精馏精馏使之分离和橙花

    Saponification of the acetates produced the respective alcohols. Pure geraniol and nerol were separated by rectification on a highly efficient packed column.

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  • 香型烤烟香精主要反-2-己烯醛、甲酸叶醇酯、乙酸薄荷酯、枣子山楂组分组成。

    The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate, methyl acetate, red date tincture, hawthorn tincture and the like.

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  • 主要介绍蒎烯、 双戊烯、香茅、 柠檬醛、 香和橙花等萜类化合物加氢催化剂种类及其工艺条件。

    The review focuses on the different catalysts and craft on the hydrogenation of the major terpene: pinene, dipentene, citronellal citral, geraniol etc over catalysts and craft.

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  • 方法THF溶剂,盐酸硝酸为催化剂,与苯亚磺酸钠回流反应1828h

    Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.

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  • 方法采用HPLC、NMRIRMS等方法,对红豆杉叶醇浸膏中分离精制所得的部分化合物进行结构鉴定

    Methods The compounds were isolated by HPLC. Their structures were identified by IR, MS, NMR spectral respectively.

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  • 事实上,Truvía 混合了中提取成分 rebiana水果中含有的赤)。

    In fact, Truvía combines rebiana, a substance derived from stevia bushes, with erythritol, a kind of sugar alcohol found in fruits.

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  • 香气滋味爽口底呈桐褐色带有松烟槟榔

    Aroma is mellow old flavor pleasant is mellow tastily foliaceous de chengtong is brown contain loose smoke flavour and areca ingredient.

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  • 目的银杏提取聚戊烯同系物提取工艺进行优化

    OBJECTIVE To extract the polyprenol homologues from Ginkgo biloba leaves and optimize the separation process.

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  • 年前纽卡斯尔大学科学家丹麦大学的同事们共同发现了存在胡萝卜中的叫做镰健康物质。 。

    Thee Newcastle scientist, along with colleagues at the University of Denmark, discovered the health benefits of falcarinol in carrots four years ago.

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  • 目的:比较5山梨银杏并用与单用5 单硝异山梨酯对心绞痛患者疗效

    Objective: To observe clinical therapeutic effective of 5 mono nitre isosorbide combined with ginkgo leaf in the treatment of angina pectoris.

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  • 绿通过水解绿素去除疏水性绿侧链获得一种水溶性衍生物

    Chlorophyllin is a water soluble derivative, which is obtained by hydrolyzing chlorophyll to remove phytyl alcohol.

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  • 目的观察西洋参皂苷实验性心室重构保护作用

    Objective To investigate the protective effect of Panax Quinquefolium L. Diol saponin on experimental ventricular remodeling in rats.

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  • 橙花叔衍生物其它多种原料不同化学反应手段可以合成金合欢

    Farnesol can be synthesized by different chemical means from different materials, such as, nerolidol, geranyl derivatives or other (compounds).

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  • 目的观察西洋参组皂苷(PQDS)对抗大鼠心室重构作用机制

    Objective To observe the mechanism of action of panax quinquefolium diolsaponins (PQDS) on anti-ventricular remodeling in rats.

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  • 金合欢型细毛樟、辛夷花、枇杷具有较好开发利用前景重要资源

    Cinnamomum tenuipilum Kosterm. (farnesol-type), flowers of Magnolia liliflora Desr. , leaves of Eriobotrya japonica, etc. are important potential resources of farnesol for industrial utilization.

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  • 介绍用水提取沉淀离子交换树脂精制等工艺提取甜菊苷方法

    The paper put forwards the way of extracting refining stevioside by boiling water from the leaves of stevia rebaudiana bertoni and removing impurities from extract by alcohol and ion exchanger.

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  • 不能发酵葡萄糖果糖、苦杏仁苷、阿拉伯糖、乳糖甘露糖核糖蔗糖木糖、鼠李糖、甘露山梨等。不能水解明胶

    They can't ferment glucose, fructose, esculin, amygdalin, arabinose, lactose, mannose, ribose, sucrose, xylose, raffinose, mannitol, inositol, sorbitol and gelatin.

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  • 不能发酵葡萄糖果糖、苦杏仁苷、阿拉伯糖、乳糖甘露糖核糖蔗糖木糖、鼠李糖、甘露山梨等。不能水解明胶

    They can't ferment glucose, fructose, esculin, amygdalin, arabinose, lactose, mannose, ribose, sucrose, xylose, raffinose, mannitol, inositol, sorbitol and gelatin.

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