Gallbladder leaves extract, preparing method, its preparation and uses
An extraction method, the technology of the leaves of the leaves, which is applied in the field of extracts of the leaves of the leaves, and can solve the problems of the preparation process of the extracts and the reports of the extracts of the leaves of the leaves, etc.
Active Publication Date: 2008-10-29
JIANGSU KANION PHARMA CO LTD
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Problems solved by technology
However, so far, there has been no preparation process for obtaining the extract from the leaves of the leaves, nor has there been any report on the use of the extracts from the leaves of the leaves for the preparation of drugs for preventing and treating respiratory diseases.
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Abstract
The invention discloses a lignum naucleae leaf extract which is characterized in that the extract is obtained by using one of the following methods: (1) the lignum naucleae leaf extract is obtained by water extraction and impurity removal of traditional Chinese medicine lignum naucleae leaves; (2) the lignum naucleae leaf extract is obtained by alcohol extraction and impurity removal of the traditional Chinese medicine lignum naucleae leaves; (3) the lignum naucleae leaf extract is obtained by lipophilic organic solvent extraction and impurity removal of the traditional Chinese medicine lignum naucleae leaves, and the lipophilic organic solvent includes but not limited by n-butyl alcohol or ethyl acetate. The invention further discloses a preparation method of the lignum naucleae leaf extract, a preparation and a new purpose. The lignum naucleae leaf extract of the invention has exact effects of clearing heat and removing toxin. The extraction process of the invention is simple and reasonable, which can obtain the effective parts. The invention opens up a precedent of obtaining the lignum naucleae leaf extract from the lignum naucleae leaves to be used for the drugs for clearing heat and removing toxin, which can not only ease the shortage of raw materials, but is also conductive to the sustainable and rational development, utilization and protection of lignum naucleae resources.
Description
technical field The invention provides an extract of Chinese herbal medicine, in particular an extract of the leaves of the birch tree; the invention also relates to a preparation method of the extract, a pharmaceutical preparation and a medical application of the extract. Background technique Acute tonsillitis is a common disease in children and young adults, and it is rare under 3 years old and over 40 years old. The etiology is mainly bacterial or viral infection, often caused by cold and excessive fatigue; acute pharyngitis is an acute inflammation of the pharyngeal mucosa and spreads to the submucosal and lymphoid tissues, often secondary to acute rhinitis or acute tonsils or part of upper respiratory tract infection . It is also often a local manifestation of a systemic disease or a prodrome of an acute infectious disease; acute conjunctivitis is an acute inflammation of the conjunctiva. It is the most common bulb disease in ophthalmology clinic. Common causes are v...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/74A61P11/04A61P11/00A61P27/02A61K127/00
Inventor 肖伟戴翔翎凌娅丁岗王振中李明慧曹亮
Owner JIANGSU KANION PHARMA CO LTD
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