Aframomum melegueta

Aframomum melegueta · Accepted scientific name

Scientific literature: Very Sparse (10 studies) · ★☆☆☆☆

Aframomum melegueta is a versatile plant whose medicinal potential is derived from its seeds, fruits, and roots. Various preparations, including chloroform extracts, have revealed a rich profile of bioactive chemicals such as terpenoids, catechins, cardiac glycosides, and flavonoids. These compounds facilitate significant biological activities, including antioxidant, antihypertensive, antimicrobial, and (-)-chronotropic effects. Research indicates that the plant's extracts can influence specific physiological conditions related to IL-6 and the enzymatic activities of CYP3A4 and CYP3A5. Consequently, this species serves as a valuable subject for studying complex biochemical interactions in human health.

Quick facts
Synonyms
Amomum Melegueta Var. Violacea · Zerumbet Autranii · 5 more
Common names
Not available
Family
Zingiberaceae
Distribution
Southern America
Plant Parts
Seed · Fruit

Classification

Common Names

Aframomum melegueta is a versatile botanical species known by many distinct regional names. In English-speaking circles, it is most frequently referred to as Grains of Paradise or Guinea Grains. Its popularity extends across linguistic borders, appearing as Cardamomo de Madagascar in certain contexts. In French, the plant is widely recognized as Graines de paradis, highlighting its exotic appeal. Finally, Spanish speakers often call it Granos del Paraíso, showcasing the global diversity of its common titles.

Sources: Catalogue of Life (COL)

Synonyms

Aframomum melegueta is a botanical species known to be identified by several different scientific synonyms. Within various taxonomic records, it is frequently referred to as Aframomum grana-paradisi or Aframomum meleguetella. The plant is also recognized under the names Alpinia grana-paradisi and Amomum grana-paradisi depending on the classification system used. Additionally, certain variations of the species are categorized as Amomum melegueta var. violacea. Understanding these diverse nomenclatures is essential for researchers tracking the plant's official identity.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Aframomum melegueta belongs to the vast kingdom Plantae, representing a diverse group of living organisms. Within this kingdom, it is classified under the class Equisetopsida, marking its place among the flowering plants. This species is further organized into the order Zingiberales, which connects it to many other unique tropical plants. As a member of the genus Aframomum, it shares specific structural characteristics with its close botanical relatives. Finally, it is nested within the family Zingiberaceae, placing it among the celebrated ginger family.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Zingiberales
Family Zingiberaceae
Genus Aframomum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Aframomum melegueta is a plant species characterized by a wide distribution across the African continent. It is found throughout South Tropical Africa, including the nation of Angola. The species also maintains a strong presence in West Tropical Africa, spanning several different countries. Specifically, its range extends through Benin, Gambia, and Ghana. Furthermore, it is widely documented to grow within the borders of Guinea.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Aframomum melegueta is characterized by a distinct herb growth form. As a self-supporting plant, it maintains its structural integrity without the need for external assistance. While it can reach a maximum height of approximately 2 meters, it frequently remains much shorter. In many instances, the plant's stature typically peaks at around 0.91 meters.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Aframomum melegueta, commonly known as grains of paradise, is a versatile medicinal plant recognized for its wide array of therapeutic properties. Research confirms that this species exhibits significant antioxidant and antimicrobial activities, making it useful for enhancing the bio-functional potential of various food products. Beyond its protective qualities, the plant has demonstrated notable anthelmintic potential against parasitic infections such as Taenia spp. In traditional medicine, it is frequently utilized in recipes aimed at treating hypertension, highlighting its antihypertensive capabilities. Furthermore, studies on its aqueous seed extract reveal antinociceptive effects, specifically providing peripheral analgesic activity to mitigate inflammatory pain.

Compounds

Aframomum melegueta is a medicinal plant recognized for its diverse and potent phytochemical profile. Research indicates that this species contains several important bioactive compounds, including terpenoids and cardiac glycosides. Detailed chemical analyses have also identified the presence of catechin within its extracts. Furthermore, specific active metabolites such as 6-gingerol and 6-paradol have been isolated from the plant. These various constituents contribute to its significant therapeutic potential in treating various health conditions.

Conditions

Aframomum melegueta exhibits significant inhibitory effects on the human cytochrome P450 enzymes CYP3A4, CYP3A5, and CYP3A7, with inhibition levels exceeding 90%. In studies involving human adipocytes, this plant was found to significantly increase glucose uptake. Furthermore, its extracts demonstrate a protective role by preventing H2O2-induced erythrocyte hemolysis. These diverse biological activities highlight the plant's potent influence on both metabolic processes and enzymatic functions.

Preparations

Aframomum melegueta is prepared as extracts that exhibit high antioxidant capacity and potential antiviral activity against the SARS-CoV-2 main protease. Various preparation methods are utilized in research, such as the use of MeOH extracts which demonstrate significant cytotoxicity against pancreatic cancer cells. Additionally, the plant is prepared as CHCl3 extracts to study its bio-active constituents and metabolic effects. Specific preparations also include the CHCl(3) extract of the roots, which has been identified as having anti-austeritic properties. Ultimately, these diverse forms of Aframomum melegueta extracts serve as key subjects in evaluating medicinal benefits ranging from oxidative stress modulation to cancer cell inhibition.

Parts used

Aframomum melegueta is a versatile medicinal plant that offers various therapeutic benefits through its different anatomical parts. Research indicates that its seeds are highly valued for their antinociceptive properties and their ability to enhance reproductive functions in male rats. The fruit of the plant also holds significant medical promise, specifically regarding its potential for managing diabetes through the inhibition of key enzymes. Additionally, studies on the roots have revealed anti-austeritic properties that can target pancreatic cancer cells in nutrient-deprived environments. Because of these diverse qualities, this species serves as a vital component in both traditional herbal markets and modern pharmacological investigations.