Corydalis yanhusuo
Corydalis yanhusuo · Accepted scientific name
Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆
Corydalis yanhusuo is a medicinal plant valued for its therapeutic potential, particularly through the use of its rhizome and stem. Various preparations, including ethanol extracts and Corydalis Rhizoma, contain potent bioactive chemicals such as dehydrocorydaline, palmatine, columbamine, and dehydrocorybulbine. These compounds provide significant pharmacological activities, most notably analgesic and cardioprotective effects. Consequently, the plant is studied for its ability to manage conditions such as arthritis, myocardial ischemia, and atherosclerosis. Through these diverse chemical properties, Corydalis yanhusuo serves as a vital resource in traditional and modern medicinal research.
- Synonyms
- Corydalis Turtschaninovii F. Yanhusuo · Corydalis Ternata F. Yanhusuo
- Common names
- Not available
- Family
- Papaveraceae
- Distribution
- Not available
- Plant Parts
- Rhizome · Stem
Classification
Common Names
Corydalis yanhusuo is a plant recognized by several distinct names across different linguistic and cultural contexts. In English-speaking regions, it is most frequently referred to by its common name, yan hu suo. This botanical species also carries the Japanese name エンゴサク, reflecting its significance in East Asian traditions. Furthermore, it is widely known by its traditional Chinese designation, 延胡索. Understanding these various naming conventions helps researchers and herbalists identify the plant regardless of the terminology used.
Sources: Catalogue of Life (COL)
Synonyms
Corydalis yanhusuo is a botanical subject that has been identified through various taxonomic classifications over time. Within scientific literature, it is frequently associated with the synonym Corydalis ternata f. yanhusuo. Additionally, the plant is also recognized under the synonym Corydalis turtschaninovii f. yanhusuo. These overlapping names reflect the evolving nature of plant nomenclature and historical research. Understanding these relationships is essential for botanists seeking to maintain accurate records of the species.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Corydalis yanhusuo is a distinct member of the kingdom Plantae. Within this vast biological realm, the species is classified under the class Equisetopsida. It specifically belongs to the order Ranunculales, showcasing its evolutionary connections. Furthermore, it is a prominent representative of the family Papaveraceae. Ultimately, this plant is defined by its placement within the genus Corydalis.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ranunculales |
| Family | Papaveraceae |
| Genus | Corydalis |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Corydalis yanhusuo is a plant primarily found across various regions of the Asia-Temperate zone. Its distribution is notably widespread throughout China, spanning several distinct geographical areas. Specifically, the species can be located in the North-Central parts of the country. It also thrives within the South-Central territories of China. Furthermore, its presence extends into the Southeast regions, showcasing a broad ecological range.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Corydalis yanhusuo is a specialized herb that maintains a self-supporting growth form. This plant typically reaches a modest stature, generally staying within a height range of 0.1 to 0.3 meters. Depending on its specific environmental conditions, the height often stabilizes between 0.2 and 0.3 meters. Such compact dimensions allow it to thrive effectively within its natural habitat. This small-scale architecture characterizes the plant's physical presence in the wild.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Corydalis yanhusuo is a traditional Chinese medicinal plant that has been utilized for centuries due to its diverse biological activities. Research highlights its significant analgesic properties, which can even be used to enhance the efficacy of opioids while reducing their addictive potential. Beyond pain management, the plant demonstrates important cardioprotective effects, particularly through its quaternary ammonium alkaloids. Specifically, components like dehydrocorydaline have been identified as active constituents in treating coronary heart disease. However, because the concentration of these beneficial alkaloids varies widely in commercial supplements, establishing strict quality control is essential for ensuring consistent therapeutic results.
Compounds
Corydalis yanhusuo is a traditional Chinese medicinal plant recognized for its diverse bioactive profile and therapeutic potential. Extensive research has identified several key alkaloids within the plant, including dehydrocorydaline, which is noted for its cardioprotective and anti-H. pylori properties. The plant also contains significant amounts of columbamine and palmatine, both of which serve as important components in its chemical fingerprint. Additionally, dehydrocorybulbine has been highlighted as a major effective constituent for maintaining quality control in medicinal extracts. Finally, the presence of tetrahydropalmatine is frequently measured to determine the overall alkaloid yield and efficacy of various plant preparations.
Conditions
Corydalis yanhusuo treats myocardial ischemia through various effective components like quaternary ammonium alkaloids. The plant's extracts also treat heart failure by improving cardiac function, specifically evidenced by an elevated +/-dp/dt(max). In studies involving rabbit platelets, the plant effectively treats 5-hydroxytryptamine (5-HT) levels by decreasing them to inhibit platelet aggregation. Regarding safety, although the plant contains total As, its bioaccessible concentration does not exceed daily permissible intake limits. Finally, the derivative dehydrocorydaline treats the Bleomycin-induced PF mouse model by suppressing fibroblast activation.
Preparations
Corydalis yanhusuo is prepared as an ethanol extract for the simultaneous determination of protoberberine quaternary alkaloids and the isolation of dihydrochelerythrine. This plant is also prepared as an extract to study the pharmacokinetics of dehydrocorydaline and the analgesic properties of YHS. Various medicinal preparations include Corydalis yanhusuo being prepared as CECY through chloroform extraction, which demonstrates significant gastroprotective and antibacterial activities. Furthermore, the plant is prepared as EECY using ethanol, alongside WECY produced via water extraction. Finally, Corydalis yanhusuo is prepared as Corydalis Rhizoma, a recognized medicinal material used for regulating Qi and relieving pain.
Parts used
Corydalis yanhusuo is a traditional medicinal plant that contains several key anatomical structures used in various applications. The rhizome is a particularly significant part of the plant, as its extracts are rich in isoquinoline alkaloids that provide analgesic and cardioprotective effects. In addition to the rhizome, the plant also features a stem that undergoes specific morphological and histological developments. Scientific studies emphasize understanding these modified stem structures to ensure the accurate identification of the crude drug. By examining both the rhizome and the stem, researchers can better characterize the medicinal components essential for quality dietary supplements.