Amaranthus caudatus
Amaranthus caudatus · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Amaranthus caudatus is a versatile plant that has garnered significant scientific interest due to its diverse pharmacological potential. Recent studies have focused on its potent antifungal and antimicrobial activities against various pathogenic organisms. Research specifically highlights its effectiveness in combating fungi, including the problematic species Candida albicans and Candida glabrata, which are responsible for causing candidiasis. To evaluate these biological properties, scientists utilize various preparations such as aqueous extracts, water extracts, and ethanol extracts. These ethanolic extracts serve as a crucial medium for isolating the bioactive compounds necessary to inhibit fungal growth.
- Synonyms
- Amaranthus Edulis Var. Spadiceus · Amaranthus Caudatus Var. Alopecurus · 18 more
- Common names
- Not available
- Family
- Amaranthaceae
- Distribution
- Not available
- Plant Parts
- Not available
Classification
Common Names
Amaranthus caudatus is a versatile plant known by a wide array of names across different cultures and languages. It is frequently referred to simply as Amarant or Amarant, as well as the descriptive Amaranto coda rossa. In German-speaking regions, it is commonly called Garten-Amarant, a name that highlights its popularity in ornamental gardening. English speakers often call this striking species Love-lies-bleeding, reflecting its unique drooping flower heads. Meanwhile, in Spanish-speaking communities, it is affectionately known as Alegría or Moco de pavo.
Sources: Catalogue of Life (COL)
Synonyms
Amaranthus caudatus is a taxonomically complex species that is frequently identified by various botanical synonyms. Scientific literature recognizes several alternative names for this plant, including Amaranthus abyssinicus and Amaranthus alopecurus. It is also known interchangeably as Amaranthus baileyanus and Amaranthus cararu in different contexts. Furthermore, specific variations such as Amaranthus caudatus f. alopecurus are documented within its classification. Understanding these diverse synonyms is essential for accurate identification in botanical studies.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Amaranthus caudatus belongs to the vast kingdom Plantae, representing the diverse life of the botanical world. Within this kingdom, it is classified under the class Equisetopsida. It further falls into the order Caryophyllales, which connects it to various other unique plant species. As a member of the family Amaranthaceae, it shares specific structural characteristics with its relatives. Ultimately, this plant is defined by its placement within the genus Amaranthus.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Caryophyllales |
| Family | Amaranthaceae |
| Genus | Amaranthus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Amaranthus caudatus exhibits a diverse geographical distribution across several regions within the African continent. In East Tropical Africa, this species is notably found within the borders of both Kenya and Uganda. Beyond the mainland, its presence extends to the Macaronesia islands, where it inhabits the unique landscapes of Madeira. The plant also thrives in the Atlantic archipelagos, specifically spanning the Canary Islands and Cape Verde. This wide range highlights the adaptable nature of the species across varying African ecosystems.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Amaranthus caudatus is a self-supporting herb characterized by its unique and upright growth form. This plant exhibits significant versatility in size, typically reaching a minimum height of 0.25 m. In many environments, it can develop into a much more substantial specimen with a minimum height of 1.3575 m. Regardless of its initial stage, the plant generally reaches a maximum height of approximately 1.5 m. These varying dimensions highlight the adaptable nature of this resilient herbaceous species.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Amaranthus caudatus demonstrates significant therapeutic potential through its documented antimicrobial and antifungal activities. Research involving ethanol and aqueous extracts from the plant's shoots shows that it can effectively target various pathogens. Specifically, the plant exhibits strong antifungal effects by significantly inhibiting the growth of Candida albicans. It also shows mild inhibitory activity against Candida glabrata and certain species of Penicillium. These properties suggest that the species could serve as a promising pharmacological candidate for treating fungal infections such as candidiasis.
Compounds
Conditions
Amaranthus caudatus exhibits significant antifungal properties by inhibiting the growth of Candida albicans and showing a mild effect against Candida glabrata. The plant extracts also demonstrate the ability to target Penicillium aurantiogriseum and Penicillium chrysogenum. Beyond its antimicrobial capabilities, the plant serves as a potential medicinal tool for managing Type 2 Diabetes Mellitus (T2DM). Specifically, grain amaranth helps improve calcium homeostasis in the blood, kidneys, and liver to exert its antidiabetic effects.
Preparations
Amaranthus caudatus is prepared as aqueous extracts to examine its toxicity and antimicrobial effects. The plant is also prepared as ethanol extracts for testing against various gram-negative and gram-positive bacteria. Research specifically utilizes ethanolic extracts to evaluate lethality levels via the Artemia salina assay. Furthermore, Amaranthus caudatus is prepared as water extracts to serve as potential pharmacological precursors. These different extraction methods, including the use of ethanol and water as solvents, are essential for determining the plant's suitability for household consumption.