Sitosterol

Process study on isolation of β - sitosterol from tall oil

塔尔油中提取β-谷甾醇的工艺研究

Study of the Extraction of β - sitosterol in Bare Oat Bran

裸燕麦麸皮中β-谷甾醇的提取

Study on β - Sitosterol in Grape and Grape Wine

酿酒葡萄及其葡萄酒中β-谷甾醇的初探

Sitosterol when administered in general dose showed uncertain efficacy , and so is used less in clinical settings .

甾体衍生物谷固醇一般剂量疗效可疑，临床少用；

Analysis of β - sitosterol in Edibile Oil with HPLC

HPLC测定食用菜籽油中β-谷甾醇的含量

Lipase-catalyzed synthesis of β - sitosterol ester with conjugated linoleic acid in organic solvent

有机相脂肪酶催化合成共轭亚油酸β-谷甾醇酯的研究

Isolation of β - Sitosterol From the Skin and Bagasse of Sugar Cane

从甘蔗皮及渣中提取β-谷甾醇

Characterization and analysis by HPLC of the esterified product of β - sitosterol with maleic anhydride

β-谷甾醇与马来酸酐酯化产物的表征及高效液相色谱分析

Besides , this dissertation also studied extraction and refinement of phytosterol , and got the high purity β - sitosterol .

从萃余物中提取出粗植物甾醇，粗植物甾醇经进一步的精制得到高纯度的β-谷甾醇。

Study on esterification kinetics of β - sitosterol / campesterol with lauric acid

β-谷甾醇/菜油甾醇与月桂酸酯化反应动力学研究

β - sitosterol is one of activity components of insecticidal in the Daphne genkwa .

β谷甾醇是芫花中具有强烈杀虫活性的组分之一。

Separation and Purification of Stigmasterol and β - Sitosterol from Phytosterol by the Crystallization Method

结晶法分离精制混合植物甾醇中β-谷甾醇和豆甾醇

The yield of ? ? sitosterol is 0.36 % in n-hexane extracts .

-谷甾醇，其含量占正己烷提取物重量的0.36%。

Study About Sitosterol in the Roots of Rhododendron Simsii Planch From Xiangxi Country

湘西杜鹃花植物根中甾醇类化合物的研究

HPLC Analysis of Stigmasterol and β - Sitosterol in Phytosterols

混合植物甾醇中豆甾醇和β-谷甾醇的高效液相色谱分析

The results showed that they both are containing stigmasterol ,β - sitosterol , and small quantities of campesterol .

结果表明，两种组分均主要含有豆甾醇和β-谷甾醇以及少量菜油甾醇物质。

Stigmasterol acetate , β - sitosterol acetate and mixed phytosterol acetates were analyzed by HPLC .

应用高效液相色谱对豆甾醇乙酸酯、β谷甾醇乙酸酯和混合甾醇乙酸酯进行了分析测定；

In this article , we review the researches of β - sitosterol , including its structure , origin , separation and purification , content menstruation and medical application .

对β-谷甾醇的结构、分布、分离纯化、含量测定、医药应用等方面的研究状况作了概述。

The composition of phytosterol in Samara Oil is as follows : β - sitosterol , 82.34 % ;

4翅果油中植物甾醇的组成如下：β-谷甾醇，82.34%；

A Dual-wavelength TLC-densitometric Method for the Determination of β - Sitosterol m Morinda officinalis How

双波长薄层扫描法测定巴戟天β&谷甾醇含量

METHODS : To isolate the flavonoides and sitosterol derivants , the solvent extraction together with the column , chromatography and TLC methods were used .

方法：采用溶剂分离法结合柱色谱法进行成分分离。

Grape fruits could directly transfer into β - Sitosterol in grape wine and true grape wine could be identified by the existence of β - Sitosterol .

葡萄酒中的β-谷甾醇是由葡萄果实直接转化而来的，可根据β-谷甾醇的存在来鉴别真假葡萄酒。

After saponification , non - saponifiable matter was extracted . GC / MSD identification showed that the principal composition was β - sitosterol .

再经皂化、提取不皂化物，不皂化物以GC/MSD检测，鉴定其中的主要成分是β-谷甾醇。

The fungicidal activities of those compouds were firstly reported except β - sitosterol 、β - daucosterol and D-mannitol .

在鉴定的化合物中，除β-谷甾醇、β-胡萝卜甙和D-甘露糖醇外，其余11种化合物的农用杀菌活性为首次报道。

The results suggested that there existed β - Sitosterol in both grape juice and grape seed and β - Sitosterol relative content differed for grape of different mature period .

结果表明，在酿酒葡萄的葡萄汁中以及葡萄籽中都存在β-谷甾醇，且在不同成熟期的果实中β-谷甾醇的相对含量不同。

The experimental results show that mono - β - sitosteryl maleate is the only esterified product of β - sitosterol with maleic anhydride .

实验结果表明：β-谷甾醇与马来酸酐发生酯化反应，产物为β-谷甾醇马来酸单酯；

Results : Temporary quality criteria was established that TLC of β - sitosterol and succinic acid should be positive , guanosine content should be not lower than 0.004 mg / g.

结果：暂定姜半夏的β-谷甾醇和琥珀酸的薄层层析结果应呈阳性，鸟苷的含量不得少于0.004mg/g。

Results : Four compounds were isolated and identified as β - sitosterol ( 1 ), gallic acid ( 2 ), luteolin ( 3 ), quercetin ( 4 ) .

结果：分离鉴定了4个结晶化合物，分别为β-谷甾醇（1），没食子酸（2），木樨草素（3），槲皮素（4）；

Through literature research , we know that β - sitosterol and daucosterol not only have the effect on promoting insulin secretion , but more importantly they have a wide range of immunomodulatory activity .

通过文献调研，β-谷甾醇与胡萝卜苷不仅具有促胰岛素分泌作用，更为重要的是具有广泛的免疫调节活性，此发现可能为地黄地上部分的综合开发提供了新的思路。

The main chemical constituents are palmitic acid ,β - sitosterol , 4-Hydroxybenzyl alcohol , monomethyl ester , citric acid , daucosterol , gastrodin and sucrose .

天麻的主要化学成分为棕榈酸、β-谷甾醇、对羟基苯甲醇、单甲酯、柠檬酸、胡萝卜甙、天麻素和蔗糖。