酚的

Methods:To develop the HPLC method for determination of Thymol and Carvacrol ,and compare the physico-chemical property.

高效液相色谱法测定百里香酚和香芹酚的含量，比较理化性质。

Result:The average recovery of carvacrol and thymol were 97\^49%( RSD =1\^78) and 99\^16%( RSD =2\^05) respectively.

结果 ：香芹酚和百里香酚的平均加样回收率分别为 97 4 9%和 99 1 6 %，RSD =1 78和RSD =2 0 5。

A synchronous fluorescence method for simultaneous determination of catechol and hydroquinone has been established.

建立固定波长同步荧光法同时测定邻苯二酚和对苯二酚的分析方法。

Objective: To establish a method for content determination of paeonol in Compound Paeonol Gelatin.

目的：建立复方丹皮酚凝胶中丹皮酚的含量测定方法。

However, some of the subjects who took gossypol suffered from hypokalemia.

但部分棉酚受试者出现低钾血症，这成为临床上应用棉酚的主要障碍。

Their electrochemical behaviors for single solute and mixed systems of hydroquinone(H2Q) and pyrocatechol are investigated.A pair of redox peak of H2Q and two pairs of redox peaks of PC on the composite film electrodes can be obviously distinguished in their mixed systems,which show the composite film electrodes have excellent electrocatalytic activity for two ...

结果表明聚苯胺复合膜电极具有很好的电催化作用，在混合体系中对苯二酚的一对氧化还原峰和邻苯二酚的两对氧化还原峰能够清楚地区分；并且在一定的浓度范围内单组分的浓度与峰电流呈良好的线性关系，说明该电极对苯二酚的测定在定性、定量中具有潜在的应用价值。

The effect of aqueous ethanol (50% v/v) on the activity of purified mushroom polyphenol oxidase has been found to be as follows:(1)The oxidation of catechol or pyrogallol is greatly stimulated,an increase in the rate of oxygen uptake of over 100% having been invariably observed with catechol as the substrate,whereas the oxidation of other substituted o-dihydric phenols is inhibited in 50% ethanol.

三无论有无抗坏血酸的存在，50%乙醇对多酚氧化酶活力的提高程度是一样的，在有一定量的抗坏血酸的存在下，多酚氧化酶对儿茶酚的 Michaelis 常数(25℃)在水溶液及50%乙醇溶液中各为0.072×10~(-3)M 及0.49×10~(-3)M。

The factors relevant to the running buffer and their effects on separation were investigated. The buffer solution composed of 30 mmol/L sodium borate and 2.4 mmol/L β-CD was found to be the most suitable electrolyte for separation. The second order dissociation constant range of honokiol was estimated. The content range of honokiol in Cortex Magnoliae Officinalis and was 3.42-5.98 mg/g, while the mean content of honokiol in its preparation 0.021 mg/mL.

优化了厚朴提取物的分离条件，考察了缓冲溶液浓度、pH 值、β-CD的添加浓度对分离的影响，确定了最佳的分离缓冲溶液组成为30 mmol/L 硼砂和2.4 mmol/L β-CD，pH 值为9.48；推测出和厚朴酚的二级离解常数pKa2 的范围为9.94-10.83；在优化的分离条件下，测定了厚朴药材和藿香正气口服液中和厚朴酚的含量分别为3.42-5.98 mg/g、0.021 mg/mL，和厚朴酚的线性范围是0.020-0.405 mg/mL，其线性相关系数R=0.998(n=5)，加样回收率为98.4-103.5%，RSD 为3.2-5.7%(n=3)。

Strains beneficial to transform isoeugenol to vanillin were isolatied from soil based on the screening model using high concentration of isoeugenol.

在含有高浓度异丁香酚的筛选平板上获得的14支菌株均有转化异丁香酚生成香草醛的能力，其中SW-B9的转化能力最好，能从2%异丁香酚生成1.10 g/L香草醛，高于文献报道的菌种转化水平，并且其进一步降解产物香草醛的能力较为微弱。

Although the mechanism of the protective effect of XN is unclear, our results indicate that XN exhibits antigenotoxic effects in fresh liver tissue and provide additionalevidence for the cancer preventive potential of XN.

虽然黄腐酚的保护作用机制是不太明显，但我们的结果表明，黄腐酚在新鲜的肝组织中显示出抗基因毒化性作用，且为黄腐酚的潜在癌症预防提供了更多的证据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。