Bixa orellana
What's the taxonomical classification of Bixa orellana?
Bixa orellana belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Following its taxonomic hierarchy, it is placed in the class Equisetopsida and the subclass Magnoliidae. The plant is further categorized under the order Malvales and within the family Bixaceae. Finally, it is situated in the genus Bixa, specifically identified as the species orellana.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malvales |
| Family | Bixaceae |
| Genus | Bixa |
| Species | orellana |
What are the morphological characteristics of this plant?
Bixa orellana has woody, perennial shrubs or small trees characterized by simple, elliptical leaves with entire margins and a distinctively coriaceous texture. The foliage often features prominent venation that provides structural support to the broad leaf blades. During flowering, the plant produces small, fragrant blossoms that typically emerge in clusters from the axils of the leaves. These flowers eventually give rise to dense, ovoid capsules that are covered in fine, soft bristles. Inside these specialized fruits, numerous small, reddish seeds are housed, which contain the concentrated pigments characteristic of the genus.
What is the geographical distribution of this plant?
This plant is native to the tropical lowland rainforests of the Amazon Basin, primarily spanning across Brazil, Peru, and parts of Colombia. Its distribution is closely tied to high humidity and consistent warm temperatures found near river systems. Within these ecosystems, it thrives in the understory where it can access filtered sunlight. The species is not found in arid or high-altitude regions due to its specific moisture requirements. Consequently, its range is geographically restricted to the humid equatorial belt of South America.
How is this plant cultivated?
This plant, Bixa orellana, requires tropical climates with consistent rainfall, well-draining soil, and full sun exposure to thrive.
Growers typically propagate the species using seeds sown in warm, moist soil during the onset of the rainy season. Maintaining a pH level between 5.5 and 7.0 is essential for healthy development and robust seed production. Regular irrigation is necessary to prevent drought stress, especially during the flowering and fruiting stages.
Once the shrub reaches maturity, it produces distinctive red seeds used widely as a natural food coloring.
What parts of this plant are used medicinally?
This plant Bixa orellana provides medicinal value through its arils, bark, fruit shell, leaf, and seed. The vibrant red arils surrounding the seeds are frequently utilized for their antioxidant properties and coloring agents. Traditional healers often apply the bark and fruit shell externally to treat skin ailments or inflammation. The leaves are commonly prepared as infusions to aid in digestive health or to reduce fever. Additionally, the seeds themselves are processed for various therapeutic applications in folk medicine.
According to a study published by "Planta", the seeds or their arils of Bixa orellanana L. are used to derive the natural dye or coloring agent known commercially as E160b. The main active component of this dye is the water-insoluble bixin, although the water-soluble norbixin also has commercial applications. Bixin is widely applied as an antioxidant in the medico-pharmaceutical, food, cosmetic, and dye industries. While bixin has also been isolated from leaves and bark, the yield is lower than that obtained from seeds.
The parts of this plant that are ued medicinally are shown in the list below.
- arils
- bark
- fruit shell
- leaf
- seed
What traditional systems uses this plant?
This plant, Bixa orellana, has been utilized extensively within Brazilian traditional medicine to treat various ailments and serve as a natural coloring agent. Indigenous communities in the Amazon basin historically applied the red pigment from the seeds to their skin for sun protection and ritualistic body painting. Medicinally, preparations made from the leaves and seeds have been used to address digestive issues, skin inflammations, and wound healing. The seeds are also frequently integrated into culinary practices to provide a vibrant orange hue to traditional foods. These longstanding practices demonstrate the plant's deep integration into the cultural and therapeutic frameworks of South American societies.
According to a study published by "Journal of ethnopharmacology", Bixa orellana is one of 20 plants used in the Brazilian traditional medicine for the treatment of several infectious and inflammatory disorders. This plant was evaluated through methanol extracts against two species of Leishmania and two yeasts. Among the tested substances, Bixa orellana exhibited the best activity against C. neoformans. The antifungal activity against this yeast resulted in a MIC of 0.078 mg/ml.
The hystorical systems that uses this plant are shown in the list below.
- Brazilian traditional medicine
What are the pharmacological activities of Bixa orellana?
This plant has analgesic, anti-inflammatory, antibacterial, antioxidant, and antimicrobial pharmacological activities. Its chemical constituents work to reduce pain perception and mitigate swelling in various biological tissues. The presence of bioactive compounds also allows it to combat infection by inhibiting the growth of diverse bacterial species. Furthermore, its potent antioxidant properties help neutralize free radicals and prevent cellular damage. These combined medicinal effects make the plant a significant subject for pharmaceutical research.
According to a study published by "Phytotherapy research : PTR", Bixa orellanana leaf extracts exhibit antioxidant, broad antimicrobial, anti-inflammatory, analgesic, hypoglycemic, and antidiarrheal activities. Although no studies have specifically assessed the ability of leaf extracts to inhibit urogenital infections, Bixa products have been used in folkloric medicine to treat gonorrhea and other infections. A 6 month study in humans given 750 mg of leaf powder per day demonstrated no significant or serious adverse effects. Bixa leaf extracts appear to be safe when given under current conditions of use, though additional human and animal controlled safety and efficacy studies are needed.
The primary pharmacological activities of this plant are shown in the list below.
- analgesic
- anti-inflammatory
- antibacterial
- antioxidant
- antimicrobial
What medicinal compounds this plant contains?
This plant contains medicinal compounds including bixin, trans-bixin, beta carotene, tocotrienols, and a significant total phenolic content. The carotenoids bixin and its isomer trans-bixin provide potent antioxidant properties that help protect cells from oxidative damage. Additionally, the presence of beta carotene contributes to essential vitamin A activities within biological systems. The tocotrienols serve as a specific form of vitamin E that offers neuroprotective and cardiovascular benefits. Finally, the high total phenolic content enhances the overall anti-inflammatory potential of the plant extracts.
According to a study published by "Journal of AOAC International", Bixa orellana seeds contain bixin as a major pigment. The research proposes an analytical method using either thin layer or liquid chromatography for the detection of 4 pigments. These 4 pigments include bixin, lycopene, canthaxanthin, and beta-apo-8'-carotenal. This method can be used to control these pigments in their natural sources.
The primary medicinal compounds of this plant are shown in the list below.
- bixin
- trans-bixin
- beta carotene
- tocotrienols
- total phenolic content
What health conditions is this plant used for?
This plant is used for treating skin diseases, inflammation, inflammatory diseases, microbial infections, and urogenital infections. Its various parts are often prepared as decoctions or ointments to soothe irritated tissues and reduce swelling. The medicinal properties of the plant are frequently applied topically to combat external skin ailments and fungal growth. Internally, it is utilized to manage systemic inflammatory conditions and protect the body from harmful microbes. Furthermore, its antimicrobial qualities make it a traditional remedy for addressing specific urogenital infections.
According to a study published by "Preventive veterinary medicine", the inside of the pods of Bixa orellana are used for skin diseases. The research was conducted using a 4-stage process in 1995 to document ethnoveteriary practices. The study involved 28 ethnoveteriary respondents, 30 veterinarians, 27 extension officers, and 19 animal-health assistants and/or agricultural officers. Additionally, 7 key respondents were identified and 4 participatory workshops were hosted with 55 of the respondents. Supplementary interviews were conducted in 1997 and 1998 to gather more data.
The main health conditions this plant is used for are shown in the list below.
- Candida albicans infection
- Trichophyton rubrum infection
- diarrhrea
- diarrhoea
- skin diseases
What are the herbal preparations of this plant?
This plant is used to create medicinal preparations including oil, aqueous extracts, bush tea, crude Bixa orellana seed extract, and leaf powder. The seeds are frequently processed into a rich oil that serves various topical and therapeutic purposes. For internal use, people often brew a bush tea or utilize aqueous extracts derived from the plant's components. The crude Bixa orellana seed extract provides a concentrated form of the plant's bioactive properties. Additionally, the dried leaf powder is prepared for specific medicinal applications depending on the tradition.
According to a study published by "Molecules (Basel, Switzerland)", significant compounds present in Bixa orellana include geranylgeraniol and tocotrienols. These molecules from Bixa orellana and its Chronic granules have beneficial effects against hyperlipidemia and chronic diseases involving oxidative stress and inflammation. Research using in silico approaches like PASS, SEA, and GOLD software evaluated the possible mechanisms of action for these compounds. The results corroborate the antidyslipidemia and anti-inflammarotory activities of the geranylgeraniol and tocotrienols found in the plant. Predicted mechanisms for these Bixa orellana compounds include the inhibition of squalene monooxygenase, lanosterol synthase, and phospholipase A2. Pharmacokinetic and toxicological parameters were also screened using the PreADMET, SwissADME, and ProTox-II servers.
The main herbal preparations of this plant are shown in the list below.
- Oil
- aqueous extracts
- bush tea
- crude Bixa orellanana seed extract
- leaf powder
What side effects this plant can have?
This plant can cause significant health complications including damage to the endoplasmic reticulum, decreased blood glucose levels, diarrhoea, dyslipidemia, and hepatitis. Consumption of its components has been linked to cellular stress that impairs the function of the endoplasmic reticulum. The chemical constituents may also induce a drop in blood glucose levels and lead to gastrointestinal issues such as diarrhoea. Furthermore, certain compounds are associated with dyslipidemia and potentially life-threatening liver inflammation known as hepatitis. These diverse physiological impacts highlight the serious toxicity risks associated with the plant.
According to a study published by "Tropical and geographical medicine", the red powdery extract from the seeds of Bixa orellanana, a purified substance identified as trans-bixin with a molecular weight of 394 and a molecular formula of C24H30O4, was demonstrated to cause hyperglycaemia in anaesthetised mongrel dogs. Electron microscopy of tissue biopsies revealed damage to the mitochondria and endoplasmic reticulum, occurring mainly in the liver and pancreas. When the dogs were fed a diet fortified with riboflavin, there was neither demonstrable tissue damage nor associated hyperglycaemia. These findings suggest that Bixa orellanana extracts may play a role in the development of diabetes mellitus, particularly in an undernourished state.
The main side effects this plant can have are shown in the list below.
- damage to endoplasmic reticulum
- decrease blood glucose levels
- diarrhoea
- dyslipidemia
- hepatitis
What herbs are paired with Bixa orellana?
This plant, Bixa orellana, is most effectively paired with warming spices like cinnamon, clove, and ginger to enhance its earthy profile and digestive benefits.
These aromatic companions work synergistically to balance the plant's natural bitterness during culinary or medicinal preparations. When used in topical applications, pairing the seeds with coconut or almond oil helps stabilize the pigment and improve skin absorption. Some traditional uses also involve combining the extracts with citrus elements to brighten the flavor and increase antioxidant synergy.
These specific combinations allow for a more nuanced approach to utilizing the plant's potent coloring and nutritional properties.