Tea processing of aromatic substances in the complex process of chemical change, resulting in some of the fragrant aroma of flowers such as roses can form Phenylethanol incense and jasmine can form jasmone incense to the formation of linalool Magnolia incense Phenylpropanol Shannon can form, such as narcissus.

茶葉中的芳香物質(zhì)在加工過程中會發(fā)生復(fù)雜的化學(xué)變化久久久久综合欧美，產(chǎn)生某些鮮花的芬芳香氣欧美日韩国产黄，如苯乙醇能形成玫瑰香，茉莉酮能形成茉莉香超碰操乱伦，沉香醇能形成玉蘭香亚洲乱伦视频网站，苯丙醇能形成水仙香等。

He watched oat seedlings warn each other of danger by releasing jasmonate acid, and tracked the dropping of poisoned leaves by the Sonoran brittlebush to ward off competition.

他觀察到燕麥秧苗通過釋放茉莉酮酸酯來互相提醒危險又大又长又深又粗的操逼视频，并追蹤凋落的被索諾蘭矮灌木毒害的葉子的蹤跡老熟女毛多一区二区，以避開競爭。

It could be synthesized by a key intermediate 2-pentylidene cyclopentanone formed a condensation starting from cyclopentanone and n-valeraldehyde, followed by isomerization, Michael addition and a selective decarboxylation.

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Dihydrojasmone was synthesized from2-hexyl-5-methyl-1,2-oxaborolane,prepared frommethyl vinyl ketone and hexene,via the homologationwith 〓 followed by PCC oxidation and intra-molecular condensation.In stead of the oxidation ofthe C-B bond of 1,2-oxaborolane,fluoride inducedhalogenation of 2-alkoxy-1,2-oxaborolane was found togive 3-halopropanol.

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Spectrophotometry was used to determine and extract the content of the flavanone from the leaves of Jasminum sambac Air.

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Methods The flavonoids were extracted by ethanol as the solvent from the leaves of Jasminum sambac Air with ultrasonic wave.

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The studies took a investigation into the main biochemical constituent of the plant, and a set of quantitative analysis method to Jasminum flavonoids was established. Further more, the studies developed a water extract process, and a method to isolate and purificate Jasminum flavonoids.

本實驗較全面的分析了茉莉花干的生化成分久久国产热热，研究了以茉莉花干為原料的速溶產(chǎn)品提制工藝，探討了茉莉黃酮提取純化條件的優(yōu)化免费黄网址，并初步探索了茉莉黃酮的檢測技術(shù)国内偷拍专区，實驗結(jié)果如下：本研究建立了茉莉黃酮的分光光度測定方法。

To isolate Jasminum flavonoids, it took an investigation to the effect of various conditions in extraction. The result was with EtOH concentration 70%, temperature 75℃, extraction time 4h and the ratio of solution to liquid 1:15.The studies implemented macroporous resin to enrich Jasminum flavonoids.

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The main effective components of the volatile oil from Schizonepeta tenuifolia Briq. by GC-MS are pulegone and menthone. In addition, dihydrojasmone and terrein that had never been reported in literature have been identified.

由GC-MS鑒定出揮發(fā)油的主要有效成分是胡薄荷酮和薄荷酮久久精品视频这里，并鑒定出了二氫茉莉酮成年人小视频在线观看免费、土曲霉酮等文獻未曾報道過的成分。

Aromatic constituents of Huangdan Oolong tea were analysed with GC and MS and were compared in different green-making humid conditions.The major aromatic constituents of Huangdan Oolong tea were nerolidol,α-farnesene, linalool and its oxide, geraniol, pheny lacetal dehyde, indole, cis-jasmine lactone β-ionone cis-jasmone, benzyl acetate and so on.At the same temperature,the content of aromatic constituents were different, the aromatic quality in the 75% humid condition was better,which was more fragrant and kept longer.

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