期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 45, 期 7, 页码 919-925出版社
PHARMACEUTICAL SOC JAPAN
关键词
X-ray computed tomography; internal morphology; crude drug; microscopic examination; Ephedra Herb
资金
- Japan Agency for Medical Research and Development (AMED)
The use of HRXCT technology allows for easy observation of the internal morphology of crude drugs. Compared to microscopic examination, HRXCT can observe the same internal morphological characteristics and simplifies the technical steps.
The microscopic test method (microscopic examination) used to identify crude drugs is a common method in the identification of the original plant source by determining the characteristics from a small sample quantity. However, in recent years, the number of examiners who are familiar with the microscopic examination technique has decreased. In recent years, high-resolution X-ray computed tomography (HRXCT) has been used to visualize the internal structure of plants. HRXCT scans an object using X-rays and enables visualization of the internal structure of the crude drug using a computer. Therefore, in this report, HRXCT was used to easily observe the internal morphology of crude drugs using the Ephedra Herb as an example. The same internal morphological characteristics were observed using both, microscopic examination and HRXCT methods. Image analysis using HRXCT did not require specific techniques, such as sectioning, and the same tissue could be observed from any orientation using a single scan. It afforded remarkable technical simplification and reduction in time to inspect the organization's characteristics. Therefore, image analysis using HRXCT is a useful method for crude drug identifications.
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