Capsicum frutescens

Capsicum frutescens · Accepted scientific name

Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆

Capsicum frutescens is a versatile plant primarily valued for the medicinal potential found within its fruit. The plant contains potent chemical compounds such as capsaicin, capsaicinoids, carotenoids, and dihydrocapsaicin. These bioactive elements allow various preparations, including aqueous extracts, crude fruit extracts, and creams, to exhibit significant antioxidant, antibacterial, and antiplasmodial activities. Research suggests these extracts may offer therapeutic benefits for conditions like anemia and asthma, while also providing (-)-chronotropic effects. Furthermore, studies have explored their effectiveness against pathogens like Bacillus cereus and their potential role in comparative studies with aspirin.

Quick facts
Synonyms
Capsicum Crispum Var. Piper-Rabiosum · Capsicum Conicum Var. Angustifolium · 22 more
Common names
Not available
Family
Solanaceae
Distribution
Not available
Plant Parts
Fruit

Classification

Common Names

Capsicum frutescens is a versatile plant known by a diverse array of regional names across the globe. It is widely recognized by the common names African Chilli and African Pepper, highlighting its importance in various culinary traditions. In many Spanish-speaking cultures, the plant is frequently referred to as Aji or Aji caballero. Those looking for a more descriptive name might encounter it called Aji picante to denote its heat. Additionally, it is often simply known as Bird pepper due to its distinct appearance and spicy profile.

Sources: Catalogue of Life (COL)

Synonyms

Capsicum frutescens is a plant species characterized by a complex taxonomic history involving several botanical synonyms. It has been historically classified under various forms of Capsicum annuum, including the varieties conicum and conoideum. Additionally, the plant is linked to the names Capsicum annuum var. frutescens and Capsicum annuum var. oblongoconicum. Further records also identify it through the synonym Capsicum annuum var. parvoacuminatum. Understanding these overlapping designations is essential for accurate botanical identification and scientific study.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Capsicum frutescens belongs to the vast kingdom Plantae, representing a diverse group of multicellular organisms. Within this kingdom, it is classified under the class Equisetopsida, marking its place among the flowering plants. The species is further organized into the order Solanales, which helps define its biological characteristics. It resides within the well-known family Solanaceae, a group often recognized for its ecologically significant members. Finally, its scientific identity is solidified by its membership in the genus Capsicum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Solanales
Family Solanaceae
Genus Capsicum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Capsicum frutescens exhibits a diverse geographical distribution spanning several key regions across the African continent. In East Tropical Africa, this species is commonly found throughout the landscapes of Kenya, Tanzania, and Uganda. Beyond the mainland, its reach extends to the Atlantic islands within the Macaronesia archipelago. Specifically, populations can be identified inhabiting both the Canary Islands and Madeira. This wide-ranging presence highlights the plant's ability to thrive in varied tropical and island environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Capsicum frutescens is a versatile plant that typically takes on a sturdy shrub growth form. This species is entirely self-supporting, allowing it to maintain its structure without external assistance. Depending on its environment, the plant can reach a minimum height of only 0.25 m. However, many specimens grow much taller, with a standard minimum height often reaching 1.1 m. Ultimately, these shrubs can achieve a maximum height of up to 2 m.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Capsicum frutescens exhibits a diverse range of biological activities that highlight its significant therapeutic potential. Scientific studies have confirmed that the plant possesses potent antioxidant properties, which can be utilized to combat oxidative stress-related diseases. Furthermore, its extracts demonstrate strong antimicrobial and antibacterial effects against various bacterial and yeast species. Research into its medicinal applications also reveals significant antiplasmodial activity, suggesting it may serve as a valuable source for new antimalarial agents. These multifaceted characteristics underscore the importance of the plant in both traditional medicine and modern pharmacological development.

Compounds

Capsicum frutescens is a chemically diverse plant characterized by its rich profile of bioactive compounds. It contains capsaicinoids, which include both capsaicin and dihydrocapsaicin, molecules often studied for their biological effects and used in various analytical methods. Beyond these pungent amides, the plant also contains significant levels of carotenoids, which contribute to its nutritional value and antioxidant properties. Additionally, the presence of flavonoids within the species plays a key role in the complex antioxidant activities observed during fruit maturation. Together, these various chemical constituents define the phytochemical complexity of Capsicum frutescens.

Conditions

Capsicum frutescens was studied under 700 ppm CO2 to measure its enzyme capacities, specifically regarding its PEP-Co and NADP+ malic enzyme levels. The plant also demonstrates significant antimicrobial properties, as aqueous extracts of the species show varying degrees of inhibition against Bacillus cereus and Bacillus subtilis. Furthermore, these extracts have been found to effectively treat Clostridium sporogenes in laboratory testing. In the context of the COVID-19 pandemic, spiked pepper, which includes Capsicum species, was identified as a medicinal plant used by the public for COVID-19 prevention.

Preparations

Capsicum frutescens is prepared as aqueous extracts for the green synthesis of silver nanoparticles to evaluate their antibacterial and antioxidant properties. The plant is also processed as a crude fruit extract using 80% methanol to test its in vivo antiplasmodial activity against malaria in mouse models. For the management of chronic low-back pain, Capsicum frutescens is prepared as a cream or plaster which has been shown to produce more favorable results than a placebo. Additionally, the plant is prepared as ethanol extracts to investigate its antioxidant activities, specifically its phenolic content and free radical scavenging abilities. Finally, various studies utilize the plant in the form of crude extracts to assess its potential efficacy in treating diseases such as Newcastle disease in poultry.

Parts used

Capsicum frutescens is a plant species that yields significant medicinal potential through its specialized fruit components. Research indicates that the dried fruits can be processed into crude extracts that exhibit potent antiplasmodial activity against malaria parasites. These fruit-derived extracts have demonstrated the ability to inhibit parasitemia and prolong survival rates in animal models without showing overt toxicity. Beyond therapeutic use, the fruits serve as a vital source for developing quantitative reference herbs used in high-performance liquid chromatography assays. Consequently, the fruit of Capsicum frutescens remains a critical resource for both pharmacological innovation and the quality control of ethnic medicines.