Annona squamosa
What's the taxonomical classification of Annona squamosa?
Annona squamosa belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is categorized under the subclass Magnoliidae and falls within the order Magnoliales. The plant is a member of the family Annonaceae and is further classified into the genus Annona, with its specific designation being the species squamosa.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Magnoliales |
| Family | Annonaceae |
| Genus | Annona |
| Species | squamosa |
What are the morphological characteristics of this plant?
Annona squamosa has a small to medium-sized tree structure characterized by a spreading crown, woody branches, and elliptical, dull green leaves that measure approximately 5 to 15 centimeters in length. The leaves are arranged alternately along the stems and possess a smooth, entire margin. Its flowers are typically solitary and emerge from the axils, displaying fleshy, yellowish-green petals. The fruit is a large, globose aggregate berry covered in distinctive, knobby protuberances that resemble scales. These scales separate as the fruit matures to reveal a white, pulpy interior filled with numerous black seeds.
What is the geographical distribution of this plant?
This plant is native to tropical regions of the Americas, specifically ranging from Mexico through Central America and into parts of northern South America. It has since been widely naturalized across many other tropical and subtropical zones throughout the world. Current distributions include significant populations in South and Southeast Asia, as well as various islands in the Pacific and Indian Oceans. Because it thrives in warm, humid climates, it is commonly cultivated in many countries within the tropical belt. The species continues to spread into new areas where frost is minimal and consistent warmth is available.
How is this plant cultivated?
This plant, Annona squamosa, is cultivated in tropical and subtropical climates by planting seeds or saplings in well-drained, sandy loam soils with a pH between 5.5 and 7.5.
Growers typically require warm temperatures and full sunlight to ensure the fruit develops its characteristic sweetness. Regular irrigation is necessary during the early growth stages, though the mature trees are relatively drought-tolerant once established. Pruning is an essential management practice to maintain tree height and encourage productive fruit bearing.
Proper fertilization with organic matter or nitrogen-based compounds further enhances the overall yield of the crop.
What parts of this plant are used medicinally?
This plant, Annona squamosa, provides various medicinal benefits through its bark, flowers, fruit, leaves, and roots. The bark is often utilized in traditional medicine to treat intestinal worms and inflammatory conditions. Flowers can be prepared as infusions to help soothe the nervous system and reduce fever. The fruit is consumed for its nutritional value and serves as a remedy for digestive issues. Leaves are frequently crushed into poultices to treat skin ailments or brewed into tea for their calming properties. Finally, the roots are processed to address various ailments including fever and stomach pain.
According to a study published by "Parasitology research", the leaf, bark, and seed ethyl acetate, acetone and methanol extracts of Annona squamosa L. were tested against the parasite H. contortus. The assays were run in 24-well cell culture plates with five replicates. The methanol extracts of A. squamosa showed 100% egg hatching and larvicidal inhibition at 25 mg/ml. This effect was similar to the positive control of Albendazole at 0.075 mg/ml and Ivermectin at 0.025 mg/ml. All plant extracts showed moderate parasitic effects after 48 hours of exposure for egg hatching and LDA.
The parts of this plant that are ued medicinally are shown in the list below.
- bark
- flower
- fruit
- leaf
- root
What traditional systems uses this plant?
This plant, Annona squamosa, has been utilized for centuries across various cultures to treat diverse ailments through its medicinal properties. In Traditional Thai Medicine, different parts of the tree such as the leaves, bark, and roots are prepared as decoctions or topical applications to address specific health concerns. Historical use often focuses on its potential to manage inflammation, digestive issues, and parasitic infections. Many traditional practitioners also employ the fruit and seeds in rituals or as dietary supplements to promote general wellness. These long-standing practices demonstrate a deep historical reliance on the plant's phytochemical profile for therapeutic purposes.
According to a study published by "Natural product research", leaves of Annona squamosa are used in traditional Thai medicine to treat dysentery and other diseases. The extract of Annona squamosa contained flavonoids, terpines, tannins and alkaloids. This plant had the broadest spectrum of antibacterial activity, inhibiting Bacillus cereus, Listeria monocytogenes, Staphylococcuus aureus and C. jejuni between 62.5 and 500 µg mL(-1). MBCs were 2- to 4-fold higher than MICs against C. jejuni and B. cereus. These findings suggest that Annona squamosa could potentially be used in modern applications aimed at the treatment or prevention of foodborne diseases.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Thai Medicine
What are the pharmacological activities of Annona squamosa?
This plant has diverse pharmacological activities including anti-tumor, anti-oxidant, anti-diabetic, anti-inflammatory, and anti-microbial properties. Its bioactive compounds work to neutralize free radicals, which provides significant antioxidant protection against cellular damage. The plant also demonstrates the ability to inhibit the growth of various pathogens through its potent antimicrobial actions. Furthermore, specific phytochemicals within the species help regulate blood glucose levels and reduce systemic inflammation. Research also indicates that certain extracts can target and inhibit the proliferation of cancer cells to provide anti-tumor benefits.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", eleven compounds were obtained from the 95% EtOH extract of Annona squamosa. Among these, compounds 1, 2, 3, 5, and 9 showed different inhibitory activities against 95-D lung cancer cells, with compound 5 being the strongest at an IC50 value of 7.78 micromol x L(-1). Additionally, compounds 2, 5, and 9 showed inhibitory activities against A2780 ovarian cancer cells. Specifically, compounds 2 and 9 exhibited strong effects with IC50 values of 0.89 and 3.10 micromol x L(-1), respectively. The in vitro anti-tumor test demonstrated that compound 5 significantly inhibited 95-D lung cancer cells, while compounds 2 and 9 exhibited remarkable activity against A2780 ovarian cancer cells.
The primary pharmacological activities of this plant are shown in the list below.
- anti-tumor
- anti-oxidant
- anti-diabetic
- anti-inflammatory
- anti-microbial
What medicinal compounds this plant contains?
This plant contains a diverse array of medicinal compounds including annonaceous acetogenins (ACGs), annosquamosin A, anonaine, squaulosins, and bullatacin. These bioactive molecules are primarily responsible for the plant's significant pharmacological potential in treating various diseases. The annonaceous acetogenins are particularly noted for their potent cytotoxic properties against cancer cells. Additionally, alkaloids like anonaine and specialized compounds such as squaulosins contribute to the complex chemical profile used in traditional medicine. Research continues to investigate how these specific constituents interact with biological systems to provide therapeutic benefits.
According to a study published by "Pharmaceuotics", Annona squamosa seed oil (ASSO) is a waste product in the extraction of annonaceous acetogenins (ACGs) that displays good antitumor activity against a variety of tumor cells. When prepared as nanoparticles (ASSO-NPs) using TPGS as a stabilizer, they are spherical with a uniform size of less than 200 nm and show good storage stability at 25 ± 2 °C. In 4T1 tumor-bearing mice, the ASSO-NPs group at 15 mg/kg achieved a tumor inhibition rate (TIR) of 69.8%, which was greater than the 52.7% observed in the ASSO solution at 135 mg/kg (p < 0.05). Furthermore, the relative tumor-targeting index (RTTI) of (ACGs + ASSO)-NPs was 1.47-fold that of ACGs delivered alone. These findings suggest that ASSO-NPs have great potential as tumor-targeted delivery vehicles for natural bioactive compounds.
The primary medicinal compounds of this plant are shown in the list below.
- annonaceous acetogenins (ACGs)
- annosquamosin A
- anonaine
- bullatacin
- squafosacin B
What health conditions is this plant used for?
This plant is used for treating cancer, diabetes, inflammation, microbial infections, and wound healing. The bioactive compounds found in its leaves and fruit possess antioxidant properties that help inhibit the growth of malignant cells. Additionally, its medicinal extracts are utilized to regulate blood glucose levels in patients managing diabetes. The plant's natural antimicrobial agents serve as a defense against various bacterial and fungal infections. Furthermore, its soothing properties aid in reducing inflammation and accelerating the natural process of wound healing.
According to a study published by "Pakistan journal of pharmaceuctical sciences", the leaves of Annona squamosa Linn have been used for the treatment of various types of diseases. The study specifically evaluated the anticancer potential of organic and aqueous leaf extracts against 5 different human tumor cell lines. These tested lines included hepatocellular carcinoma cell line BEL-7404, lung cancer line H460, human epidermoid carcinoma cell line KB-3-1, prostatic cancer cell line DU145, breast carcinoma cell line MDA-MB-435, and colon cancer cell line HCT-116. While the human primary embryonic kidney cell line HEK293 was used as a control, significant anticancer activity was found only in the crude extract (Zcd) and Ethyl acetate extract (ZE) against 2 specific lines. These active lines were the human epidermoid carcinoma cell line KB-3-1 and the colon cancer cell line HCT-116.
The main health conditions this plant is used for are shown in the list below.
- cancer
- diabetes
- inflammation
- microbial infections
- parasitic infections
What are the herbal preparations of this plant?
This plant is used to create various medicinal preparations including a 70% ethanolic extract, methanolic extracts, Annona squamosa seed oil, decoction, and infusion. Researchers utilize methanolic extracts and a 70% ethanolic extract to isolate specific bioactive compounds for pharmacological study. The Annona squamosa seed oil is frequently processed for its unique fatty acid profile and potential topical applications. Traditional methods often involve preparing a decoction by boiling the plant parts or an infusion by steeping them in hot water to release medicinal properties. These diverse forms allow the plant's chemical constituents to be delivered in different therapeutic contexts.
According to a study published by "Pharmaceuedics", Annona squamosa seed oil (ASSO) displays good antitumoor activity against a variety of tumor cells but is insoluble with low bioavailability. To address this, ASSO-NPs were prepared as spherical nanoparticles with a uniform size of less than 200 nm. These nanoparticles showed good storage stability at 25 ± 2 °C and were suitable for oral administration and intravenous injection. In 4T1 tumor-bearing mice, the ASSO-NPs group (15 mg/kg) achieved the highest tumor inhibition rate (TIR) of 69.8%, which was greater than the ASSO solution (52.7%, 135 mg/kg, p < 0.05). Additionally, the relative tumor-targeting index (RTTI) of (ACGs + ASSO)-NPs was 1.47-fold that of ACGs delivered alone.
The main herbal preparations of this plant are shown in the list below.
- 70% ethanolic extract
- Annona squamosa seed oil
- Methanolic extracts
- decoction
- infusion
What side effects this plant can have?
This plant can cause serious health complications including abortifacient effects, antiovulatory properties, cardiovascular diseases, hemolytic activity, and general toxicity. Certain compounds found within the fruit and leaves may trigger the loss of a pregnancy or interfere with ovulation cycles. High doses have been linked to the development of cardiovascular diseases and damage to the heart muscle. Additionally, the plant exhibits hemolytic activity that can lead to the destruction of red blood cells. These combined factors contribute to the overall systemic toxicity observed in excessive consumption.
According to a study published by "The American journal of Chinese medicine", Annona squamosa L. has various ethno-medicinal uses including acting as a tonic, apophlegmatisant, cool medicine, abortient, and heart sedative. Research has identified numerous biological activities such as anticancer, anti-oxidant, antidiaabetic, antihypertensive, hepatoprotective, antiparasitic, antimalarial, insecticidal, microbiocidal, and molluscicidal activities. Phytochemistry investigations identified main constituents including 88 ACGs, 33 DITs, 19 ALKs, and 13 CPs. These specific compounds were reported from the species until 2016.
The main side effects this plant can have are shown in the list below.
- abortifacient
- antiovulatory
- cardiovascular diseases
- hemolytic activity
- toxicity
What herbs are paired with Annona squamosa?
This plant, Annona squamosa, is commonly paired with ginger, turmeric, and cinnamon to enhance its digestive and anti-inflammatory properties.
The pungent warmth of ginger complements the subtle sweetness of the fruit while stimulating gastric juices. Adding turmeric introduces potent antioxidants that work synergistically with the plant's natural bioactive compounds. Cinnamon provides a fragrant aromatic profile that balances the custard-like texture of the flesh.
Together, these herb combinations are often used in traditional wellness tonics to maximize therapeutic benefits.