Puerarin injection and quality control method thereof
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of puerarin and injection, applied in the field of medicine, can solve problems such as fluctuation of test results
Active Publication Date: 2015-12-09
CHENGDU TIANTAISHAN PHARMA
View PDF1 Cites 4 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
However, in the quality control of puerarin injection, the fluctuatio
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0039] Embodiment 1: prepare puerarin injection
[0040] formula:
[0041] Puerarin 50mg,
[0042] Propylene glycol 500 mg,
[0043] Water for injection, appropriate amount, added to 1ml.
[0044] Preparation method: add puerarin to propylene glycol, add about 200mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
[0049] Water for injection, appropriate amount, added to 1ml.
[0050] Preparation method: add puerarin to propylene glycol, add about 100mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
[0055] Water for injection, appropriate amount, added to 1ml.
[0056] Preparation method: add puerarin to propylene glycol, add about 100mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention relates to a puerarin injection and a quality control method thereof. 1Ml of the puerarin injection comprises 10-100mg of puerarin, 400-600mg of propylene glycol, and injection water added to an equilibrium volume. The method using HPLC to detect relevant substances in the puerarin injection has an excellent methodological performance.
Description
technical field [0001] The invention belongs to the technical field of medicine, relates to a puerarin injection, and also relates to a quality control method of the puerarin injection. The method of the invention can advantageously control the puerarin injection. Background technique [0002] Pueraria is a perennial leguminous twining vine, with many side vines and fibrous roots, but the roots are deep, spindle-shaped or long rod-shaped, and the skin is light yellow and wrinkled. It is the main edible and medicinal part. Pueraria lobata is the dried root of Pueraria Lobata (Willd.) Ohwi or P. thomsomi Benth. As a commonly used traditional Chinese medicine, kudzu root was first recorded in "Shen Nong's Materia Medica", and it was listed as a middle-grade product. It has been recorded in herbal medicines since the past dynasties. It is sweet, pungent, and flat in nature. Improve the body's immunity and other functions. At present, kudzu root is widely used in traditional Ch...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more