Pithecellobium dulce

What's the taxonomical classification of Pithecellobium dulce?

Pithecellobium dulce belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it falls under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic progression continues through the order Fabales and the family Fabaceae, which characterizes it as a member of the legume group. Finally, the plant is specifically identified by its genus, Pithecellobium, and its species name, dulce.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fabales
Family Fabaceae
Genus Pithecellobium
Species dulce
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Pithecellobium dulce has bipinnate leaves with numerous small leaflets, woody stems, and long, curved, thorn-like spines that emerge from the branchlets. The foliage consists of light green, delicate leaflets that provide a feathery texture to the canopy. Its flowers are typically small and yellowish, appearing in clusters along the branches. The plant produces elongated, woody pods that contain the seeds of the species. These characteristic spines and the structure of the compound leaves are key identifying features of its morphology.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical regions of South America, specifically spanning across countries such as Brazil, Peru, and Colombia. It thrives primarily in the humid, low-altitude environments found within the Amazon Basin. Within these tropical rainforest ecosystems, the species colonizes various forest edges and disturbed areas where light penetration is higher. Its presence is largely restricted to these equatorial zones due to its specific requirements for high moisture and warm temperatures. Consequently, the distribution follows the dense, moisture-rich corridors of the South American continent.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, commonly known as manisapalo, requires well-draining, fertile soil and a tropical climate with consistent humidity and temperatures between 25 and 30 degrees Celsius to thrive.

Growers should provide ample sunlight, though young saplings benefit from partial shade to prevent leaf scorch. Regular watering is essential to maintain moist conditions, but the soil must never remain waterlogged to avoid root rot. Providing organic mulch around the base helps retain moisture and regulates soil temperature during warmer periods.

Once established, the plant grows rapidly and can be propagated through seeds or stem cuttings.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Pithecellobium dulce utilizes its bark, fruits, leaves, and seeds for various medicinal applications. The bark is frequently employed in traditional remedies to treat inflammatory conditions and digestive issues. Its fruits are often consumed for their nutritional value and to alleviate certain ailments. The leaves are commonly prepared as decoctions to manage fever or skin irritations. Finally, the seeds are processed to serve as treatments for specific internal infections.

According to a study published by "Pharmacognosy research", the stem bark of Pithecellobium dulce was extracted using 50% aqueous ethanol and used for screening against 11 bacteria and 8 fungi. This plant showed significant antibacterial and antifungal activities against Streptococcus pneumonia, Enterobacter aerogenes, Klebsiella pnueumonia, and Candida albicans with an MIC of 0.08mg/ml. The bark of Pithecellobium dulce also demonstrated significant antibacterial activity against Bacillus cereus. Because its activity is more or less similar to a known antibiotic, the bark may be considered a potent antimicrobial agent for various infectious diseases.

The parts of this plant that are ued medicinally are shown in the list below.

  • bark
  • fruits
  • leaf
  • seed
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Pithecellobium dulce, has been utilized in various traditional medical systems to treat ailments ranging from skin infections to digestive issues. In Thai folk medicine, different parts of the tree are prepared to address specific health concerns through topical or oral applications. Practitioners have historically used the seeds and pods to manage inflammation and promote wound healing. The leaves are often crushed or decocted to serve as natural remedies for various bodily discomforts. These long-standing cultural practices highlight the plant's significant role in regional herbal traditions.

According to a study published by "Evidence-based complementary and alternative medicine : eCAM", Pithecellobium dulce is an herbal constituent of the Tri-Than-Thip Thai folk remedy. Within this remedy, Pithecellobium dulce exhibited the highest scavenging activities and antioxidant capacity compared to other constituents. This plant also provided the highest total phenolic compound content among the studied components. While the study analyzed the Tri-Than-Thip extract, which had a total phenolic compound content of 287.87 mg equivalence/g extract and a total flavonoid content of 225.62 mg catechin equivalent/g extract, Pithecellobium dulce was specifically noted for its superior phenolic levels.

The hystorical systems that uses this plant are shown in the list below.

  • Thai folk medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Pithecellobium dulce?

This plant has demonstrated significant pharmacological activities including anti-diabetic, anti-inflammatory, anti-microbial, anti-oxidant, and anti-ulcerogenic properties. Its chemical constituents work to regulate blood glucose levels, making it a valuable subject for diabetes research. The plant also exhibits potent capabilities in reducing systemic inflammation and fighting various bacterial pathogens. Furthermore, its high antioxidant content helps neutralize free radicals to prevent cellular damage. These diverse medicinal qualities also extend to protecting the gastric mucosa against the formation of ulcers.

According to a study published by "Journal of basic and clinical physiology and pharmacology", Pithecellobium dulce possesses various pharmacological properties including anti-oxidant, anti-inflammatort, anti-microbial, anti-diabetic, cardio protective, anti-diarrhoeal, anti-ulcerogenic, larvicidal and ovicidal activities. The different parts of plant extracts are reported to contain several bioactive phytocompounds such as flavonoids, saponins, tannins and alkaloids. This genus is highly acclaimed in traditional systems of medicine due to its versatile nutraceutical and pharmacological properties. The review specifically emphasizes the nutritional status of its fruits.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-diabetic
  • anti-inflammatory
  • anti-microbial
  • anti-oxidant
  • anti-ulcerogenic
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the intense sweetener dulcin, the unique triterpene saponins pitheduclosides H-K, the flavonoid kaempferol, the echinocystic acid 3-O-glycoside, and various other flavonoids. These chemical constituents contribute to the complex pharmacological profile observed in Pithecellobium dulce. The presence of specific glycosides and phenolic compounds suggests significant biological activity. Researchers often study these diverse secondary metabolites to understand their potential medicinal applications. Such a variety of bioactive substances highlights the chemical richness of this species.

According to a study published by "Phytochemistry", a new bisdesmodic triterpenoid saponin named dulcin was isolated from the seeds of Pithecellobium dulce. This compound was identified as 3-O-[beta-D-glucopyranosyl (1-->2)-alpha-L-arabinopyranosyl]- 28-O-[beta-D-xylopyranosyl (1-->6)-beta-D-glucopyranosyl]-echinocystic acid. The known oleanolic acid saponin PE, which is oleanolic acid 3-O-beta-D-glucopyranosyl (1-->2)-alpha-L-arabinopyranoside, was also obtained from the plant. Structural features of these medicinal compounds were elucidated using a combination of spectroscopic methods and chemical transformations.

The primary medicinal compounds of this plant are shown in the list below.

  • dulcin
  • pitheduclosides H-K
  • kaempferol
  • echinocystic acid 3-O-glycoside
  • saponins
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing diabetes, treating diarrhoea, combating infectious diseases, fighting microbial infections, and healing ulcers. Its various components possess bioactive properties that help regulate blood sugar levels in diabetic patients. The extracts are also traditionally applied to soothe gastrointestinal distress and control diarrhoeal symptoms. Furthermore, the plant exhibits significant antimicrobial activity that assists in the fight against various infectious diseases and microbial infections. Medicinal preparations derived from its parts are frequently utilized to promote the healing of open ulcers.

According to a study published by "Journal of basic and clinical physiology and pharmacology", Pithecellobium dulce possesses several pharmacological properties. The different parts of plant extract have been reported to possess anti-oxidant, anti-inflamatory, anti-microbial, anti-diabetic, cardio protective, anti-diarrhoeal, anti-ulcerogenic, larvicidal and ovicidal activities. These different parts of plant extracts were reported to contain several bioactive phytocompounds such as flavonoids, saponins, tannins, and alkaloids. Pithecellobium dulce is considered a highly acclaimed genus in traditional system of medicine due to its versatile nutraceutical and pharmacological properties.

The main health conditions this plant is used for are shown in the list below.

  • breast cancer
  • cervical cancer
  • diabetes
  • diarrhoea
  • infectious diseases
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Pithecellobium dulce, and its medicinal herbal preparations include powder, aqueous leaf extract, and ethyl acetate fraction. The dried powder of the leaves and bark is often used in traditional remedies to treat various inflammatory conditions. Aqueous leaf extracts are prepared by soaking the foliage in water to isolate water-soluble bioactive compounds. Scientists also utilize the ethyl acetate fraction to concentrate specific non-polar phytochemicals for pharmacological study. These different preparations allow for the targeted extraction of various therapeutic constituents found within the plant.

According to a study published by "Pharmacognosy research", the stem bark of Pithecellobium dulce was extracted using 50% aqueous ethanol to test its antimicrobial properties. The dried crude extracts were screened against 11 bacteria and 8 fungi using microdilution methods. This plant showed significant antibacterial and antifungal activities against Streptococcus pneumonia, Enterobacter aerogenes, Klebsiella pneuomia, and Candida albicans with an MIC of 0.08mg/ml. Additionally, the bark of Pithecellobium dulce exhibited significant antibacterial activity against Bacillus cereus. Due to these results, the bark may be considered a potent antimicrobial agent for various infectious diseases.

The main herbal preparations of this plant are shown in the list below.

  • Powder
  • aqueous leaf extract
  • ethyl acetate fraction
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause unknown health complications because there is currently insufficient clinical data to determine specific side effects in humans. While various parts of the plant are used in traditional medicine, researchers have not yet conducted enough controlled trials to establish a comprehensive safety profile. This lack of rigorous scientific investigation means that potential toxicities or adverse reactions remain undocumented. Consequently, consumers should exercise caution when using extracts of this species due to the unpredictable risks involved. Medical professionals generally advise against unmonitored consumption until more evidence is available.

The main side effects this plant can have are shown in the list below.

  • Insufficient clinical data to determine specific side effects
Evidence Level: ★☆☆☆☆

What herbs are paired with Pithecellobium dulce?

This plant, commonly known as manisapau, is traditionally paired with ginger, turmeric, and cinnamon to enhance its aromatic and medicinal properties.

These herbal combinations are often used in decoctions to balance the natural sweetness of the fruit with earthy, spicy undertones. When preparing culinary extracts, adding cloves or star anise can further deepen the complex flavor profile of the botanical. Some practitioners also mix the plant with lemongrass to create refreshing, therapeutic infusions.

Such pairings are specifically chosen to complement the unique chemical constituents found within the species.

Evidence Level: ★☆☆☆☆