Cryptocarya chinensis
Cryptocarya chinensis · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Cryptocarya chinensis is a plant species of significant pharmacological interest due to its diverse chemical profile. Scientific investigations have focused on the leaf of this plant, particularly through the use of ethanol extract preparations. Research indicates that these extracts contain specialized bioactive compounds, including (+)-8,9-dihydrostepharine, (+)-eschscholtzidine N-oxide, (-)-12-hydroxycrychine, and isoamuronine. These specific chemicals have demonstrated notable cytotoxic activities during laboratory evaluations. Consequently, studying this species provides valuable insights into the development of potential therapeutic agents.
- Synonyms
- Beilschmiedia Chinensis
- Common names
- Not available
- Family
- Lauraceae
- Distribution
- Not available
- Plant Parts
- Leaf
Classification
Common Names
Cryptocarya chinensis is a botanical species known by several distinct regional names. In certain contexts, it is referred to by the common name シナクスモドキ. It is also widely recognized in Chinese-speaking regions under the designation 厚壳桂. Depending on the specific character usage, it may also be written as 厚殼桂. These various names reflect the diverse linguistic traditions associated with the plant.
Sources: Catalogue of Life (COL)
Synonyms
Cryptocarya chinensis is a distinctive plant species often recognized in botanical studies for its unique characteristics. Within scientific literature, it is important to note that this species is also identified by the synonym Beilschmiedia chinensis. This nomenclature overlap can sometimes cause confusion for researchers navigating various taxonomic databases. Understanding these synonymous relationships is essential for ensuring accurate identification and classification in the field. Consequently, recognizing both names allows for a more comprehensive study of the plant's ecological role.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Cryptocarya chinensis is a fascinating botanical specimen that belongs to the vast kingdom Plantae. Within this biological kingdom, it is specifically classified under the class Equisetopsida. Moving down the taxonomic hierarchy, this plant is a distinguished member of the order Laurales. It further finds its place within the diverse family Lauraceae, showcasing its evolutionary connections. Finally, it is identified by its unique genus, Cryptocarya, which defines its specific scientific identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Laurales |
| Family | Lauraceae |
| Genus | Cryptocarya |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Cryptocarya chinensis is a plant species primarily found across various regions of Asia-Temperate. Within China, its distribution is quite broad, spanning from the South-Central areas to the Southeast and including the island of Hainan. The species also extends its reach into Eastern Asia, where it can be found growing in Japan. Specifically, it inhabits the Nansei-shoto islands, demonstrating a notable range across the region. This diverse geographic presence highlights the adaptable nature of the plant within its temperate habitats.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Cryptocarya chinensis is a self-supporting tree that exhibits a sturdy growth form. This species can reach a maximum height of 18 meters as it matures. Its structural integrity allows it to stand prominently within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Cryptocarya chinensis has demonstrated significant therapeutic potential through the isolation of bioactive compounds from its leaves. During bioassay-guided fractionation, researchers identified several new tetrahydroflavanones known as cryptochinones A-F. These chemical structures were precisely determined using advanced spectroscopic techniques such as 2D-NMR and X-ray crystallography. Notably, specific isolates like infectocaryone and cryptocaryanone A exhibited potent cytotoxic activities against various cancer cell lines. These findings highlight the plant's capacity to provide valuable secondary metabolites for medicinal research.
Compounds
Cryptocarya chinensis serves as a rich source of diverse secondary metabolites found within its leaves and wood. Research into the plant's leaves has identified significant tetrahydroflavanones, including cryptocaryanone A and infectocaryone, which both exhibit notable cytotoxic activities. Meanwhile, chemical analysis of the wood reveals a complex profile of alkaloids. Specifically, the ethanol extract of the wood contains several proaporphine alkaloids such as isoamuronine, isocryprochine, and prooxocryptochine. These various chemical constituents highlight the significant pharmacological potential inherent in the different parts of the species.
Conditions
Cryptocarya chinensis demonstrates significant therapeutic potential through its ability to treat various cancer cell lines. Specifically, compounds isolated from its leaves show effective cytotoxic activity against MCF-7 cells. The plant's extracts also prove successful in treating NCI-H460 cell lines. Furthermore, the bioactive components within the plant are capable of treating SF-268 cell lines. These specific relationships highlight the plant's diverse medicinal efficacy against these targeted cellular models.
Preparations
Cryptocarya chinensis is prepared as an ethanol extract to facilitate the isolation of various chemical compounds. This specific extraction process from the wood was utilized to identify several new alkaloids, including pavine and proaporphine types. Researchers successfully isolated four new pavine alkaloids and four new proaporphine alkaloids through this method. The resulting extract also yielded nine previously known compounds for further study. Structural elucidation of these substances was subsequently achieved using spectral analysis and X-ray crystallography.
Parts used
Cryptocarya chinensis serves as a significant source of bioactive chemical compounds, particularly within its foliage. Scientific investigation has focused on the leaves of this plant to isolate various cytotoxic flavonoids. Through bioassay-guided fractionation, researchers successfully identified six new tetrahydroflavanones known as cryptochinones A-F. These specific compounds were extracted from the neutral chloroform fraction of the leaf material. The study highlights the medicinal potential of these leaf-derived isolates, especially regarding their activity against various cancer cell lines.