Annona glabra
What's the taxonomical classification of Annona glabra?
Annona glabra belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within this lineage, it is classified in the class Equisetopsida and the subclass Magnoliidae. Moving further down the taxonomic hierarchy, it falls under the order Magnoliales and the family Annonaceae. Finally, the plant is situated within the genus Annona, with its specific designation being the species glabra.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Magnoliales |
| Family | Annonaceae |
| Genus | Annona |
| Species | glabra |
What are the morphological characteristics of this plant?
Annona glabra has a woody, evergreen shrub or small tree habit characterized by elliptical, coriaceous leaves that are glabrous on both the upper and lower surfaces. The foliage typically measures between 5 and 12 centimeters in length and possesses entire margins with distinct pinnate venation. Small, yellowish-green flowers emerge from the axils of the branches, often appearing solitary or in small clusters. The fruit develops into a large, fleshy, somewhat globose or oblong syncarp with a smooth, greenish skin. These botanical features distinguish the species from other members of the Annonaceae family that may possess pubescence.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of South America, specifically spanning across Brazil, Paraguay, and northern Argentina. It thrives primarily in seasonally dry forests and savannas where it can find suitable drainage. Its range is closely tied to specific climatic conditions found within the Cerrado and Chaco biomes. Within these habitats, the species often populates riparian zones or edges of woodlands. This distribution allows it to occupy distinct ecological niches across the central and eastern parts of the continent.
How is this plant cultivated?
This plant Annona glabra is cultivated in tropical and subtropical climates by planting it in well-drained, sandy loam soils that maintain consistent moisture without waterlogging.
Growers typically propagate the species through seeds or grafting to ensure desirable fruit characteristics and faster maturation. Because it thrives in warm environments, it requires protection from frost and regular irrigation during the dry season to support heavy fruiting cycles. Maintaining optimal soil pH and providing sufficient sunlight are essential steps for maximizing the yield of its edible fruit.
Periodic pruning and fertilization help manage the canopy and promote vigorous growth throughout its lifespan.
What parts of this plant are used medicinally?
This plant Annona glabra provides medicinal benefits through its aerial parts, fruit, leaves, seeds, and stem. The leaves are frequently harvested to prepare infusions or topical applications for various ailments. Extracts from the seeds are often utilized for their specific bioactive compounds in traditional remedies. The fruit serves as a nutritional source while contributing to the overall medicinal profile of the species. Additionally, the stem and other aerial components are integrated into complex herbal formulations to treat different conditions.
According to a study published by "Journal of microbiology and biotechnology", the aerial parts and leaves of Annona glabra are used to obtain essential oils through hydrodistillation. These essential oils yielded between 0.01% and 0.12% (v/w) on a fresh-weight basis. In vitro assessments showed that the essential oils of Annona glabra display antibacterial effects against methicillin-resistant Staphylococcus aureus. Specifically, the plant exhibits bacteriostatic effects with both minimum inhibitory concentration and minimum bactericidal concentration values of 0.8% EO. The main components identified in the Annona glabra essential oil are beta-caryophyllene, beta-guaiene, and alloaromadendrene.
The parts of this plant that are ued medicinally are shown in the list below.
- aerial parts
- fruit
- leaves
- seed
- stem
What traditional systems uses this plant?
This plant, Annona glabra, has been utilized extensively within Cuban traditional medicine to treat various ailments including digestive issues and skin inflammations. Local healers frequently employ the leaves and bark of the species to prepare medicinal decoctions or topical applications. These botanical preparations are often integrated into holistic practices aimed at restoring bodily balance and relieving pain. Beyond its role in local remedies, historical accounts suggest the plant held significance in regional folk healing traditions across the Caribbean. Such uses highlight the deep connection between indigenous flora and the long-standing health practices of the Cuban people.
According to a study published by "Revista cubaana de medicina tropical", hydroalcoholic extracts were prepared from Annona glabra L. as part of a study on six plant species used in Cuban traditional medicine. The activity of these extracts from Annona glabra L. was evaluated in vitro against Plasmodium falciparum and human fibroblasts MRC-5. Researchers estimated the mean inhibitory concentration, the mean cytotoxic concentration, and the selectivity index for the plant. The study aimed to evaluate the antimalarial activity and determine selectivity by measuring cytotoxicity against human cells.
The hystorical systems that uses this plant are shown in the list below.
- Cuban traditional medicine
What are the pharmacological activities of Annona glabra?
This plant has anticancer, cytotoxic, antibacterial, antifungal, and antiviral pharmacological activities. Its phytochemical constituents demonstrate significant cytotoxicity by inhibiting the proliferation of various malignant cell lines. The plant also exhibits potent antibacterial properties against several pathogenic bacterial strains. Additionally, it shows effectiveness in suppressing fungal growth and neutralizing various viral agents. These diverse biological actions highlight its potential as a source for novel therapeutic agents.
According to a study published by "Molecules (Basel, Switzerland)", Annona glabra hexane extract contains major compounds such as tritriacontane (30.23%), 13, 17-dimethyl-tritriacontane (22.44%), and limonene (18.97%). The extract demonstrated significant cytotoxic activity against CACO-2 and A-549 cancer cell lines with IC50 values of 47 ± 0.74 μg/mL and 56.82 ± 0.92 μg/mL, respectively, yielding selectivity indices of 3.8 and 3.1. It also showed moderate-to-weak activities against PC-3, PANC-1, MCF-7, and HepG-2 with IC50 values of 81.86 ± 3.26, 57.34 ± 0.77, 80.31 ± 4.13, and 57.01 ± 0.85 μg/mL, along with selectivity indices of 2.2, 3.1, 2.2, and 3.1. Regarding antiviral properties, the extract showed promising protective and virucidal activity against HSV1 with values of 79.55 ± 1.67 vs. 68.44 ± 7.62 and 70.91 ± 7.02 vs. 83.76 ± 5.67. Additionally, it exhibited mild protective antiviral activity against HAV with a value of 48.08 ± 3.46 compared to acyclovir at 36.89 ± 6.61.
The primary pharmacological activities of this plant are shown in the list below.
- anticancer
- antibacterial
- antifungal
- antiviral
- cytotoxicity
What medicinal compounds this plant contains?
This plant contains a diverse array of bioactive medicinal compounds including Annoglabayin, annoacaceous acetogenins, annoglabasin A, annoglabasin B, and annoglacin A. These specific chemical constituents are primarily categorized as acetogenins, which are known for their potent biological activities. Research into these substances often focuses on their potential cytotoxic and anti-tumor properties within pharmacological studies. The unique structural profiles of annoglabasin A and B contribute to the plant's complex chemical fingerprint. Furthermore, the presence of annoglacin A adds to the therapeutic interest surrounding the Annona genus.
According to a study published by "Journal of natural products", annoglabayin (1) is a novel dimeric kaurane diterpenoid that has been isolated from Annona glabra. This compound contains a unique carbon bridge between two nor-ent-kaurane monomeric units. The dose-response of 2 in Hep G2 cells indicated that 2 increased DNA damage. Furthermore, results showed that 2 induced a noticeable decrease in mitochondrial transmembrane potential during treatment. These findings indicate that 2 produces apoptotic events in Hep G2 cells by inducing changes in mitochondria.
The primary medicinal compounds of this plant are shown in the list below.
- Annoglabayin
- Annonaceous acetogenins
- annoglabasin A
- annoglabasin B
- annoglacin A
What health conditions is this plant used for?
This plant is used for inhibiting HIV replication and treating human liver cancer, breast carcinoma, human breast carcinoma, and human kidney carcinoma. Research indicates that extracts from Annona glabra contain bioactive compounds capable of interfering with viral processes. These phytochemicals demonstrate significant cytotoxic activity against various malignant cell lines in laboratory settings. Specifically, the plant shows promise in suppressing the growth of human breast carcinoma and human kidney carcinoma cells. Ongoing studies continue to investigate its potential therapeutic efficacy in managing these diverse health conditions.
According to a study published by "Journal of natural products", the fruits of Annona glabra were analyzed for bioactive kaurane diterpenoids. Phytochemical analysis identified 2 new compounds, annoglabasin A (1) and annoglabasin B (2), alongside 11 known derivatives (3-13). Within these substances, methyl-16 alpha-hydro-19-al-ent-kauran-17-oate (11) demonstrated mild activity against HIV replication in H9 lymphocyte cells. Additionally, 16 alpha-17-dihydroxy-ent-kauran-19-oic acid (4) showed significant inhibition of HIV-reverse transcriptase.
The main health conditions this plant is used for are shown in the list below.
- HIV replication
- Human Liver Cancer
- breast carcinoma
- human breast carcinoma
- human kidney carcinoma
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations including ethanolic extracts, aqueous extracts, and essential oils for various therapeutic applications. The ethanolic extract is often utilized to concentrate specific bioactive alkaloids and flavonoids from the leaves or bark. Aqueous extracts, such as decoctions or infusions, provide a water-based method for extracting water-soluble compounds. Essential oils are obtained through steam distillation to capture the volatile aromatic constituents of the plant. These diverse preparation methods allow for the targeted delivery of the plant's chemical properties in traditional and modern medicine.
According to a study published by "Fitoterapia", the most active ethanolic extract tested was that from the stem of Annona glabra. This medicinal plant preparation presented an LC50 value of 27 microg/l. These results were determined using an Aedes aegypti larvicidal bioassay. The study focused on the insecticidal activities of seventeen medicinal plants of Brazil.
The main herbal preparations of this plant are shown in the list below.
- ethanolic extract
- aqueous extracts
- Essentiial oils
What side effects this plant can have?
This plant can be utilized in traditional medicine to treat conditions such as malaria and rheumatism. Various studies suggest that its chemical compounds possess antimalarial properties that target parasites in the bloodstream. Additionally, the plant is often used to reduce inflammation and ease the joint pain associated with rheumatism. Researchers continue to investigate these bioactive components to understand their specific physiological impacts. This ongoing study aims to clarify how the plant interacts with the human immune system.
According to a study published by "International journal of molecular sciences", Annona glabra L. is used in folk medicine to treat diseases such as rheumatism and malaria. The species belongs to the Annonaceae family, which is one of the most important botanical families in Brazil. These plants are used as medicinal plants and can serve as raw materials for cosmetics and perfumery. The essential oils from this family are rich in compounds like alpha-pinene, beta-pinene, limonene, (E)-caryophyllene, bicyclogermacrene, caryophyllene oxide, germacrene D, spathulenol, and beta-elemene. Research into the Annonaceae species collected in Brazil from 2011 to 2021 has described various biological activities including antimicrobial, anti-inflammatory, antileishmania, antioxidant, antiproliferative, cytotoxic, larvicidal, trypanocidal, and antimalarial effects.
The main side effects this plant can have are shown in the list below.
- malaria
- rheumatism
What herbs are paired with Annona glabra?
This plant, Annona glabra, is most effectively paired with aromatic herbs like basil, mint, and lemongrass to enhance its unique custard-like flavor profile.
The subtle sweetness of the fruit benefits from the peppery notes of basil, which adds a savory depth to tropical desserts. Mint provides a cooling contrast that complements the creamy texture of the flesh, making it ideal for refreshing summer beverages. Lemongrass introduces a citrusy brightness that cuts through the richness of the fruit's natural sugars.
These combinations create a balanced sensory experience by highlighting the complex botanical notes inherent in the plant.