Betula pendula subsp. mandshurica
Betula pendula subsp. mandshurica · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Betula pendula subsp. mandshurica is a plant species of significant pharmacological interest due to its diverse therapeutic potential. Research indicates that its total methanol extract and butanol fraction possess notable anticancer, anthelmintic, anti-HIV, and antibacterial activities. Central to these biological effects is the presence of the chemical compound betulin, which plays a crucial role in mediating cellular responses. Studies have specifically investigated its impact on conditions such as cancer, osteoarthritis, and the management of hydrogen peroxide (H2O2) induced lipid peroxidation. Consequently, this subspecies serves as a vital subject in the search for natural compounds to combat complex pathological processes.
- Synonyms
- Betula Alba Var. Resinifera · Betula Alba Var. Tauschii · 53 more
- Common names
- Not available
- Family
- Betulaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Betula pendula subsp. mandshurica is a versatile species recognized by a wide variety of regional names. It is frequently referred to as the Alaska birch or the Alaska paper birch depending on the local context. Many enthusiasts also identify this tree as the Alaska white birch to highlight its distinctive bark. Beyond its North American aliases, it is widely known as the Asian white birch. Finally, it is often called the Japanese birch, reflecting its significant presence in Eastern landscapes.
Sources: Catalogue of Life (COL)
Synonyms
Betula pendula subsp. mandshurica is a complex botanical taxon that is associated with several different scientific names. Within various taxonomic frameworks, this subspecies is recognized by the synonym Betula ajanensis. It is also frequently linked to multiple variations of the white birch, such as Betula alba subsp. mandshurica and Betula alba var. humilis. Furthermore, the plant's classification encompasses other historical designations including Betula alba var. japonica and Betula alba var. kamtschatica. Understanding these overlapping relationships is essential for navigating the diverse nomenclature used by botanists.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Betula pendula subsp. mandshurica is a distinctive organism that belongs to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. The plant is further organized into the order Fagales, showcasing its evolutionary connections. It holds a position within the Betulaceae family, which characterizes its specific botanical traits. Ultimately, this subspecies is a proud member of the genus Betula.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Betula |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Betula pendula subsp. mandshurica is a distinctive subspecies primarily distributed across the vast Asia-Temperate region. Its presence is well-established throughout China, spanning from the northern reaches of Inner Mongolia to the historic landscapes of Manchuria. The plant also flourishes across Eastern Asia, with significant populations found in both Japan and Korea. Additionally, its natural range extends into the Russian Far East, specifically within the Amur region. This wide geographic spread highlights the adaptability of the subspecies across diverse temperate environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Biological Activities
Betula pendula subsp. mandshurica demonstrates significant medicinal potential through its dual biological activities. Research indicates that this plant possesses potent antioxidant properties, which help protect cells against oxidative damage. Specifically, its extracts have shown the ability to scavenge radicals and increase the activity of essential cellular antioxidant enzymes. Beyond its protective qualities, the plant also exhibits notable anticancer activity by inducing apoptosis in specific leukemia cell lines. These combined findings highlight the importance of studying this species for its therapeutic applications in managing oxidative stress and cancer.
Compounds
Betula pendula subsp. mandshurica serves as a significant source of various bioactive aromatic constituents. Research into its bark composition has identified the presence of Aceroside VIII, a compound noted for its protective activity against cytotoxicity. Additionally, this subspecies contains Betulin, a primary chemical component with promising medicinal properties. Studies indicate that Betulin demonstrates significant potential in cancer management and the alleviation of chemotherapy-induced side effects. Together, these chemical relationships highlight the plant's importance in the development of functional foods for therapeutic use.
Conditions
Betula pendula subsp. mandshurica demonstrates significant biological potential through its ability to treat 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals. This plant also effectively treats D-GalN-induced cytotoxicity, providing protective benefits against liver injury. Its strong DPPH scavenging activity contributes to its overall therapeutic profile. Furthermore, the species treats $O_2^-$ scavenging to mitigate oxidative stress. Ultimately, these combined effects allow Betula pendula subsp. mandshurica to treat various antioxidative activities within biological systems.
Preparations
Betula pendula subsp. mandshurica is prepared as a butanol fraction to explore its potential protective effects on cartilage alterations. This specific fraction has been studied for its ability to suppress stiffness and manage histological scores in osteoarthritis models. Additionally, the plant is prepared as a total methanol extract to investigate its biological properties. This extract has demonstrated significant antioxidant and anticancer activities, such as inducing apoptosis in leukemia cells. These diverse preparations highlight the plant's versatility in pharmacological research.