World J Gastrointest Surg
November 2023
Background: Gallbladder and biliary diseases (GABDs) are a major public health issue.
Aim: To analysis the cause-specific incidence, prevalence, and years lived with disability (YLDs) and its temporal trends of GABDs at the global, regional, and national level. Data on GABD were available from the Global Burden of Disease study 2019.
Objective: To investigate the influence of environment on the genetic structure and chemical ingredients of different Codonopsis species.
Methods: Amplified fragment length polymorphism( AFLP) molecular markers were used to analyze the genetic polymorphism of Codonopsis species from 24 different populations,and high performance liquid chromatography( HPLC) fingerprints were performed to analyze the chemical ingredients of 10 batches of Codonopsis roots.
Results: According to species classification,the 24 populations were categorized into three groups by UPGMA cluster method.
In this paper, the RP-HPLC specific chromatography was adopted, with DIKMA-C18 (4.6 mm x 250 mm, 5 µm) as the chromatographic column, with a gradient elution compose of acetonitrile and 0.1% phosphoric acid at flow rate of 0.
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