Eugenia uniflora
What's the taxonomical classification of Eugenia uniflora?
Eugenia uniflora belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida and the subclass Magnoliidae, it follows the evolutionary lineage of the order Myrtales. The plant is a specific representative of the family Myrtaceae, falling under the genus Eugenia, and is formally identified by its unique species designation, uniflora.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Myrtales |
| Family | Myrtaceae |
| Genus | Eugenia |
| Species | uniflora |
What are the morphological characteristics of this plant?
Eugenia uniflora has an evergreen shrub or small tree structure characterized by oppositely arranged, elliptic to oblong leaves that possess an entire margin and an acute apex. The foliage typically exhibits a glossy, dark green upper surface and a slightly paler underside. Its small, white flowers are solitary and emerge from the leaf axils, featuring numerous delicate stamens. The plant produces small, globose drupes that transition from green to a deep red or purple color when mature. These fruits are often fleshy and serve as a primary morphological feature for identification.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of Brazil, specifically occurring within the Atlantic Forest biome. Its distribution is concentrated in the coastal and inland areas where high humidity and stable temperatures are prevalent. The species can be found inhabiting various elevations ranging from lowland forests to montane environments. Localized populations often exist in fragmented pockets due to the specific ecological requirements of the rainforest canopy. This limited range makes the plant highly dependent on the preservation of South American tropical ecosystems.
How is this plant cultivated?
This plant requires well-draining, slightly acidic soil and consistent moisture with high humidity to thrive in subtropical or tropical environments.
It flourishes when planted in a location that receives full sun to partial shade depending on the intensity of the local climate. Regular fertilization during the growing season supports the development of its dense, glossy foliage and eventual fruit production. Maintaining stable temperatures above freezing is essential to prevent damage to the delicate root system and leaves.
Pruning the branches periodically will encourage a more compact growth habit and stimulate new flowering sites.
What parts of this plant are used medicinally?
This plant Eugenia uniflora offers medicinal benefits through its bark, fruit, leaves, and seeds. The bark is often processed to extract compounds used for their anti-inflammatory and antimicrobial properties. Its small fruits are consumed for their high antioxidant content and nutritional value. The leaves are frequently utilized in traditional remedies to treat various ailments due to their bioactive constituents. Additionally, the seeds contain specific chemical profiles that contribute to the overall therapeutic potential of the species.
According to a study published by "Parasitology research", the barks of Eugenia uniflora L. are used in traditional medicine for the treatment of diarrhea by the indigenous Mbyá-Guarani population. The in vitro susceptibility qualitative analysis of G. lamblia to aqueous extracts was performed in serial dilutions from 2.5 to 0.02 mg/mL. Results revealed a minimal inhibitory concentration of 0.313 mg/mL for E. uniflora. Quantitative assays of viable trophozoites showed that E. uniflora presented a cytotoxic effect of 67.3%.
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- fruit
- leaf
- seeds
What traditional systems uses this plant?
This plant Eugenia uniflora is utilized in Brazilian Northeastern folk medicine and by the Mbyá-Guaraní people for its perceived therapeutic properties. In the northeastern regions of Brazil, local healers often employ various parts of the plant to treat common ailments. The Mbyá-Guaraní people integrate this species into their traditional knowledge systems to address specific health concerns within their communities. These historical uses reflect a deep cultural connection to the biodiversity found in their native habitats. Such medicinal practices highlight the long-standing relationship between indigenous groups and the local flora.
According to a study published by "Brazilian journal of biology = Revista brasleira de biologia", Eugenia uniflora is one of the medicinal plants from the Northeast of Brazil used in folk medicine. The research evaluated the bioactivity of ethanol extracts from this plant against Artemia salina Leach. Testing was conducted for extracts at concentrations of 1, 10, 100, and 1000 µg/mL in triplicate. The study utilized probit analysis to obtain the mean lethal concentration values (LC50).
The hystorical systems that uses this plant are shown in the list below.
- Brazilian Northeastern folk medicine
- Mbyá-Guaraní
What are the pharmacological activities of Eugenia uniflora?
This plant has anti-inflammatory, antibacterial, antioxidant, antimicrobial, and antiprotocoal pharmacological activities. These therapeutic properties are primarily attributed to the diverse concentration of bioactive secondary metabolites found within its tissues. The antioxidant capacity helps neutralize free radicals, which can protect cells from oxidative stress and damage. Furthermore, its strong antibacterial and antimicrobial actions allow it to inhibit the growth of various pathogenic microorganisms. Finally, the presence of antiprotocoal compounds suggests potential utility in managing infections caused by protozoan parasites.
According to a study published by "Journal of ethnopharmacology", the Eugenia uniflora leaf infusion is used to treat gastroenteritis, fever, hypertension, inflammatory and diuretic diseases. The curzerene chemotype essential oil of Eugenia uniflora yielded 2.6 ± 0.7% and showed antinociceptive effects, such as reducing abdominal writhes by 61.66%, 38.33%, and 33.33% at doses of 50, 100, and 200 mg/kg. At a dose of 200 mg/kg, the oil decreased paw licking time by 63.43% and inhibited formalin-induced acute pain paw licking by 80.87%. Anti-inflammatory activities included ear edema reduction of 50.26%, 55.17%, and 51.31% at doses of 50, 100, and 200 mg/kg, respectively. Furthermore, leukocyte recruitment was inhibited by 4.86%, 4.93%, and 47.25% at doses of 50, 100, and 200 mg/kg after 4 h of carrageenan application. Oral doses of 50, 300, and 2000 mg/kg did not change animal behavior or mortality, indicating low acute oral toxicity.
The primary pharmacological activities of this plant are shown in the list below.
- anti-Leishmania
- anti-giardial
- anti-inflammatory
- antibacterial
- anticancer
What medicinal compounds this plant contains?
This plant contains a diverse array of medicinal compounds including flavonoids, phenolics, polyphenolins, tannins, and essential oils. These bioactive constituents work together to provide significant antioxidant and antimicrobial properties to the species. The presence of tannins specifically contributes to the astringent qualities often utilized in traditional healing practices. Additionally, the essential oils provide a distinct aromatic profile and serve as potent therapeutic agents. Through this complex chemical makeup, Eugenia uniflora offers various health benefits to biological systems.
According to a study published by "Natural product research", extracts obtained from the leaves of Eugenia uniflora were analyzed to determine chemical composition. Using liquid chromatography with a diode array detector, researchers identified chlorogenic acids, flavonoids, tannins, proanthocyanidins, saponins, and triterpene compounds. The antioxidant activities of these extracts were found to be directly related to their total phenolic and flavonoid content. The Eugenia uniflora aqueous extract demonstrated a significant inhibition of α-glucosidase with an IC50 of 0.98 µg mL-1. This specific value indicates the plant's potential as a non-competitive inhibitor for managing Diabetes Mellitus.
The primary medicinal compounds of this plant are shown in the list below.
- flavonoids
- phenolics
- polyphenolins
- tannins
- essential oils
What health conditions is this plant used for?
This plant is used for managing diabetes mellitus, cancer, inflammation, metabolic syndrome, and hyperglycemia. Its bioactive compounds work to regulate blood glucose levels, which helps mitigate the effects of hyperglycemia. Researchers have also explored its potential to reduce systemic inflammation within the body. Additionally, the plant shows promise in addressing metabolic syndrome and inhibiting the progression of certain types of cancer. These diverse therapeutic properties make it a significant subject of pharmacological study.
According to a study published by "Natural product research", the aqueous extract of Eugenia uniflora showed significant inhibition of α-glucosidase with an IC50 of 0.98 µg mL-1. This specific inhibitory capacity indicates the plant's potential as a non-competitive inhibitor for managing Diabetes Mellitus. The antioxidant activities of the Eugenia uniflora extracts are directly related to their total phenolic and flavonoid content. This research contributes to the existing knowledge regarding the biological aspects of the genus.
The main health conditions this plant is used for are shown in the list below.
- Diabetes Mellitus
- Cancer
- Inflammation
- Metabolic syndrome
- Hyperglycemia
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations including aqueous crude extract, essential oil, various extracts, infusion of fresh leaves, and vaginal gel. Researchers utilize the aqueous crude extract and concentrated extracts to isolate specific bioactive compounds for therapeutic testing. The essential oil provides a potent concentrated form of the plant's aromatic and chemical properties. For milder applications, an infusion of fresh leaves is prepared to harness the nutrients found in the foliage. Additionally, a specialized vaginal gel is formulated from the plant to treat specific localized conditions.
According to a study published by "Journal of ethnopharmacology", the aqueous crude extract (ACE) of Eugenia uniflora L. (Myrtaceae) was produced with a yielding of 17% w/w. Intraperitoneal administration of this ACE decreased the blood pressure of normotensive rats dose-dependently until 47.1 +/- 8.2% of control, with an effective-dose 50 of 3.1 +/- 0.4 mg dried leaves/kg (d.l./kg). The ACE inhibited the maximal effect of phenylephrine non-competitively until 80% at a dose of 8 mg d.l. ACE/kg. Additionally, the ACE decreased perfusion pressure of rat hindquarters until -32.3 +/- 11.5% of tonic contraction at a concentration of 1.2 g d.l. ACE/100 ml. Finally, the ACE demonstrated diuretic activity at a dose of 120 mg d.l./kg, which is higher than the hypotensive dose.
The main herbal preparations of this plant are shown in the list below.
- aqueous crude extract
- essential oil
- extracts
- infusion of fresh leaves
- vaginal gel
What side effects this plant can have?
This plant can cause diarrhea, a diuretic effect, hemolytic activity, hypotension, and changes in diabetes management. Consuming the plant may lead to gastrointestinal distress or an increased frequency of urination due to its diuretic properties. Some studies suggest it possesses hemolytic activity, which involves the destruction of red blood cells. Additionally, the plant can cause hypotension by lowering blood pressure significantly. Finally, its chemical constituents may impact blood glucose levels, complicating the treatment of diabetes.
According to a study published by "Parasitology research", the aqueous extracts of the barks of Eugenia uniflora L. were evaluated for in vitro cytotoxicity against trophozoites of Giardia lamblia. The qualitative analysis of susceptibility was performed using serial dilutions ranging from 2.5 to 0.02 mg/mL. The results revealed that the minimal inhibitory concentration for Eugenia uniflora was 0.313 mg/mL. Quantitative assays of viable trophozoites showed that Eugenia uniflora presented a cytotoxic effect of 67.3%.
The main side effects this plant can have are shown in the list below.
- diarrhea
- diuretic effect
- hemolytic activity
- hypotension
- diabetes
What herbs are paired with Eugenia uniflora?
This plant Eugenia uniflora pairs best with citrusy or floral herbs such as lemon balm, lavender, and peppermint to enhance its delicate aromatic profile.
These combinations work well because the bright notes of the citrus herbs complement the subtle sweetness of the plant's blossoms. When used in culinary applications, the addition of mint can provide a refreshing contrast to its natural undertones. Lavender offers a calming scent that harmonizes with the plant's botanical essence for tea blends.
Selecting these specific herbs helps to elevate the sensory experience of using Eugenia uniflora in various preparations.