CN1024540C - 从樟树叶片中提取右旋龙脑的方法 - Google Patents

从樟树叶片中提取右旋龙脑的方法 Download PDF

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Publication number
CN1024540C
CN1024540C CN 92106841 CN92106841A CN1024540C CN 1024540 C CN1024540 C CN 1024540C CN 92106841 CN92106841 CN 92106841 CN 92106841 A CN92106841 A CN 92106841A CN 1024540 C CN1024540 C CN 1024540C
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China
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extracting
camphor
bomeol
dextroborneol
mother liquor
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Expired - Fee Related
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CN 92106841
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CN1075710A (zh
Inventor
孙秀泉
杨世忠
刘家兴
向开炎
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Tianjin Hunan Xinhuang Tasly natural borneol Co. Ltd.
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XINHUANG FORESTRY INDUSTRY ADMINISTRATION HUNAN PROV
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Priority to CN 92106841 priority Critical patent/CN1024540C/zh
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Abstract

一种提取右旋龙脑的方法，是以樟树叶片和小枝为原料，经粉碎，蒸馏，冷却，真空浓缩干燥，提纯等工艺提取。

Description

本发明涉及一种可以提取右旋龙脑的樟树以及从此樟树叶片中提取右旋龙脑的工艺。
目前的天然右旋龙脑是从龙脑香树（Drypbalanops    aromatica    Gartn）的树脂中提炼。该树产于印度尼西亚苏门答腊。在我国未发现有分布，我国所需要的天然右旋龙脑多年来是依靠从印度尼西亚进口。
本发明是发现一种可以提取右旋龙脑的樟树，及其从中提取右旋龙脑的工艺。
本发明的具体工艺为：将樟树树叶及小枝洗净后粉碎，置于蒸馏锅，在760～960mmHg压力下，80～110℃温度中，用水蒸汽蒸馏，通入冷凝器中冷却，升华后冷凝为晶体和母液，母液通过真空浓缩干燥得晶体，粗晶体提纯后成型即为成品右旋龙脑。
本发明提供了一种新的获取天然右旋龙脑的方法，从樟树中提取天然右旋龙脑。
下面举出一个具体实施例：将500g樟树叶及小枝洗净，粉碎至叶表层蜡质破坏，置于蒸馏锅中，用水蒸汽蒸馏，在845mmHg压力下，103℃温度中，500g原料蒸馏2小时，通入冷凝器冷却，升华后得晶体和母液，母液又经真空浓缩干燥得晶体，粗晶提纯后成型，即得成品，每100g樟树叶片原料可提取1～2g龙脑。

Claims (1)

1、一种从樟树叶片中提取右旋龙脑的方法，其特征是：先将樟树树叶及小枝洗净粉碎，然后置于蒸馏锅中，在760～960mmHg压力下，80～110℃温度中用水蒸汽蒸馏，通入冷凝器冷却，升华得晶体和母液，再将母液通过真空浓缩干燥得晶体，提纯后成型。
CN 92106841 1992-02-26 1992-02-26 从樟树叶片中提取右旋龙脑的方法 Expired - Fee Related CN1024540C (zh)

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CN 92106841 CN1024540C (zh) 1992-02-26 1992-02-26 从樟树叶片中提取右旋龙脑的方法

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CN 92106841 CN1024540C (zh) 1992-02-26 1992-02-26 从樟树叶片中提取右旋龙脑的方法

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CN1075710A CN1075710A (zh) 1993-09-01
CN1024540C true CN1024540C (zh) 1994-05-18

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101735018B (zh) * 2010-01-22 2012-06-27 楼天伟 从樟树枝叶中提取天然右旋龙脑的方法
TW201402188A (zh) * 2012-06-11 2014-01-16 Universiti Tunku Abdul Rahman 從龍腦樹滲出物萃取龍腦的方法
CN103255543A (zh) * 2013-05-06 2013-08-21 浙江大学 一种龙脑合成纤维防蚊虫功能面料的制备方法
CN103601619B (zh) * 2013-11-01 2014-09-17 宜昌万森生态科技发展有限公司 一种天然冰片的提取方法及设备
CN103755527B (zh) * 2014-02-01 2016-07-13 闻永举 由樟科提取物或艾纳香提取物制备高纯度龙脑的方法
CN104186872B (zh) * 2014-08-14 2016-10-05 华南理工大学 梅片树叶提取液和梅片树叶绿茶饮料及制备方法
CN105753648A (zh) * 2016-03-03 2016-07-13 陈爱华 一种从樟木枝叶提取龙脑的方法
CN105837405A (zh) * 2016-04-20 2016-08-10 江西林科龙脑科技有限公司 一种天然冰片的制备方法
CN105949035A (zh) * 2016-05-09 2016-09-21 南京明宽信息咨询中心 一种从樟木枝叶提取龙脑的方法及应用

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Free format text: CORRECT: PATENTEE; FROM: XINHUANG FORESTRY INDUSTRY ADMINISTRATION, HUNAN PROV. TO: HUNAN PROVINCE XINHUANG COUNTY LONGNAO DEVELOPMENT CO., LTD.

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Address before: No. 22 middle ring road, Xinhuang County, Hunan

Patentee before: Hunan Xinhuang Longnao Development Co., Ltd.

C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
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