Gallbladder leaves extract, preparing method, its preparation and uses
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A technology of bile leaf and extract, applied in the field of birch leaf extract, to achieve the effects of reducing medical treatment costs, reducing the risk of antibiotic abuse, and improving medical quality
Active Publication Date: 2012-10-31
JIANGSU KANION PHARMA CO LTD
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[0005] However, so far, there has not been a preparation process for obtaining extracts from the leaves of the birch leaves, and there has been no use of the leaf extracts for the preparation and prevention of respiratory diseases. reports of drug use
Method used
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Embodiment 1
[0172] Example 1. A kind of birch leaf extract, it is the extract that obtains by one of following methods:
[0173] (1) Leaf extract of gall tree leaves, which is the extract obtained after water extraction and impurity removal of leaves of gall tree leaves of traditional Chinese medicine;
[0174] (2) the leaf extract of the leaves of the tree, which is the extract obtained after the leaves of the Chinese medicine tree of the tree are extracted with alcohol;
[0175] (3) Leaf extract of the Chinese herbal medicine Lemonia chinensis, which is the extract obtained after the leaves of the Chinese medicine Lemonia chinensis are extracted and removed with a lipophilic organic solvent, wherein the lipophilic organic solvent is n-butanol or ethyl acetate.
Embodiment 2
[0176] Example 2. A kind of eucalyptus leaf extract, it is the extract that obtains by one of following methods:
[0177] (1) Leaf extract of gall tree leaves, which is the extract obtained after water extraction and removal of impurities from the leaves of the traditional Chinese medicine gall tree leaves;
[0178] (2) the leaf extract of the leaves of the tree, which is the extract obtained after the leaves of the Chinese medicine tree of the tree are extracted with alcohol;
[0179] (3) Leaf extract, which is the extract obtained after the leaf of the Chinese medicine Leaf is extracted and removed by a lipophilic organic solvent, and the lipophilic organic solvent is chloroform, isopropanol, amyl alcohol, ethyl acetate, butylacetate esters or other lipophilic organic solvents.
Embodiment 3
[0180] Example 3. An extract of the leaves of P. birch, which is an extract obtained by the following method of water extraction and impurity removal: the method of water extraction and removal of impurities comprises the following steps: taking the leaves of P. biloba, extracting with water, filtering, concentrating, and precipitating with ethanol Methods to remove impurities, that is, the extract of the leaves of the gallbladder.
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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 [0001] 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 [0002] 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. Co...
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