Erythrina variegata
Erythrina variegata · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Erythrina variegata is a versatile botanical species known for its diverse pharmacological profile across its seeds, roots, leaves, and stems. Research indicates that extracts from this plant, including root bark and specialized MECS hard capsules, exhibit significant anxiolytic and sedative activities. These therapeutic effects are linked to key chemical constituents such as lectin, 8-prenyldaidzein, campesterol, and cajanin. Studies suggest these compounds may help manage conditions like anxiety and insomnia, particularly when interacting with biological factors like chymotrypsin and plasma kallikrein. Consequently, the various preparations of this plant offer promising potential for addressing specific neurological and physiological concerns.
- Synonyms
- Erythrina Divaricata · Erythrina Corallodendron Var. Orientalis · 33 more
- Common names
- Not available
- Family
- Fabaceae
- Distribution
- Southern America
- Plant Parts
- Seed · Root
Classification
Common Names
Erythrina variegata is a fascinating species known by a wide variety of names across different cultures and regions. In many areas, it is affectionately referred to as the Brasileirinho or the Colorín amarillo. It also carries the name Eritrínia-variegata, reflecting its formal botanical roots. In certain parts of Asia, the plant is recognized by the common name Gaogao. Finally, it is widely celebrated in English-speaking contexts as the striking India coralbean.
Sources: Catalogue of Life (COL)
Synonyms
Erythrina variegata is a botanically complex species that has been identified by several different scientific names throughout history. It is frequently associated with the synonym Chirocalyx divaricatus, reflecting its diverse taxonomic classification. The plant is also linked to Chirocalyx indicus and Chirocalyx pictus, illustrating the varied ways researchers have documented its characteristics. Furthermore, the species has been referred to as Corallodendron divaricatum in various botanical records. Finally, its classification includes the synonym Corallodendron lobulatum, highlighting the intricate web of nomenclature surrounding this tree.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Erythrina variegata is a distinctive species that belongs to the vast kingdom Plantae. Within this biological realm, the plant is classified under the class Equisetopsida. It specifically falls into the order Fabales, showcasing its evolutionary connections to other leguminous plants. Furthermore, it is a member of the diverse family Fabaceae, which is known for its significant ecological contributions. Ultimately, this plant is identified by its specific genus, Erythrina, which defines its unique botanical characteristics.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Erythrina |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Erythrina variegata exhibits a widespread distribution across several diverse regions of the African continent. Its presence can be found throughout East Tropical Africa, specifically within the territories of Tanzania and Uganda. The species also extends into Northern Africa, reaching as far as Egypt, and stretches into the Northeast Tropical reaches of Sudan and South Sudan. Furthermore, its range includes the unique island environments of Macaronesia, such as Cape Verde. This broad geographic spread highlights the plant's ability to adapt to various African climates and landscapes.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Erythrina variegata is a striking self-supporting tree that commands attention in any landscape. This species typically adopts a robust tree growth form as it matures. While it can reach a minimum height of 3 meters, it often grows much larger in ideal conditions. Most specimens are found scaling heights between 15 and 20 meters. Ultimately, its impressive stature makes it a standout feature in tropical environments.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Erythrina variegata serves as a critical component in the traditional Vietnamese pharmaceutical preparation known as MECS hard capsules. Recent scientific evaluations have demonstrated that this medicinal herb contributes significantly to the formulation's therapeutic efficacy. Specifically, research indicates that Erythrina variegata possesses notable anxiolytic activity, helping to reduce anxiety-related behaviors. Additionally, the plant exhibits sedative properties that assist in addressing sleep-related issues such as insomnia. These findings suggest that the inclusion of Erythrina variegata makes these natural-origin capsules a promising agent for managing anxiety and sleep disorders.
Compounds
Erythrina variegata is a plant species characterized by a diverse array of complex chemical and biological constituents. Research indicates that this plant contains lectin, which plays a significant role in biochemical interactions such as blood group specificity. Its chemical profile is further enriched by the presence of 8-prenyldaidzein, a specific compound found within its biological makeup. Additionally, the plant contains campesterol, a phytosterol identified through the fractionation of its bark extracts. Finally, Erythrina variegata contains EBI, a Bowman-Birk family proteinase inhibitor that has demonstrated specific cytotoxic properties in certain tumor cell lines.
Conditions
Erythrina variegata produces a chymotrypsin inhibitor that effectively treats chymotrypsin through specific intramolecular interactions and backbone structures. The lectins derived from this plant genus demonstrate a clear specificity for ABO(H) blood group antigens, particularly showing a preference for H/HI types. Furthermore, extracts from related species such as Erythrina indica serve as potent repellents against mosquito vectors, including Aedes aegypti and Anopheles stephensi. In medicinal applications, Erythrina variegata also treats calcium homeostasis imbalances in ovariectomized rats by regulating gene expression in the duodenum and kidney. These diverse biological activities highlight the plant's significant biochemical and pharmacological potential.
Preparations
Erythrina variegata is prepared as EV extracts to study its effects on calcium homeostasis and gene expression in ovariectomized rats. This plant is also prepared as MECS hard capsules, a traditional Vietnamese pharmaceutical formulation used for the sedative and anxiolytic treatment of insomnia and anxiety. The bark of Erythrina variegata is utilized to isolate inhibitors of the Na+/H+ exchange system, such as erythrinin B. Additionally, the plant is prepared as root bark and bark for various phytochemical isolations and medicinal applications. While the provided abstracts also discuss extracts from seeds in related species, Erythrina variegata is specifically highlighted through its use in extracts, capsules, and bark-derived preparations.
Parts used
Erythrina variegata is a versatile plant species that contains various biologically active components distributed throughout its different anatomical structures. Scientific research has focused extensively on the seeds, where researchers have isolated galactose-specific isolectins and Kunitz-type trypsin inhibitors. The roots of the plant are also of significant interest, as they serve as a source for unique diphenylpropan-1,2-diols. Furthermore, the stem bark has been identified as a rich source of new isoflavonoids and isoflavanones. While these abstracts primarily emphasize the chemical properties of the seeds, roots, and stem, the leaf is also a recognized part of this botanical species.