Hermetica Superfood Encyclopedia
The Short Answer
Adenanthera pavonina seeds and leaves contain bioactive compounds including saponins, flavonoids, triterpenoids, trypsin inhibitor proteins, O-acetylethanolamine, and volatile terpenoids such as sabinene (27.9%) and D-limonene (14.79%), with molecular docking studies identifying diazoprogesterone as a candidate inhibitor of mutated insulin receptor tyrosine kinase (docking score −9.2 kcal/mol). Preclinical evidence in streptozotocin-induced diabetic rats suggests that aqueous seed extracts can reduce blood glucose, HbA1c, lipid levels, and markers of renal injury over 13 weeks, though no human clinical trials have been conducted to confirm these effects.
CategoryHerb
GroupPacific Islands
Evidence LevelPreliminary
Primary KeywordAdenanthera pavonina benefits
Touch-me-not — botanical close-up
Health Benefits
**Antidiabetic Potential**
Aqueous seed extracts reduced blood glucose and HbA1c in STZ-induced diabetic rat models over 13 weeks, with molecular docking identifying diazoprogesterone as an inhibitor of mutated insulin receptor tyrosine kinase at −9.2 kcal/mol, suggesting a mechanistic basis for glycemic modulation.
**Anti-inflammatory Activity**
O-acetylethanolamine isolated from seed and pod extracts exerts anti-inflammatory effects, and kernel extracts have demonstrated inhibition of inflammatory mediators in preclinical assays, supporting traditional use for arthritis and rheumatism.
**Antinociceptive Effects**
Bark extracts produce analgesic effects in rodent models via opioid receptor pathways (naloxone-reversible), with additional involvement of the cGMP signaling pathway as evidenced by potentiation with methylene blue, indicating a dual-mechanism pain-modulating action.
**Renal Protective Properties**
In diabetic rat studies, aqueous seed extract treatment reduced proteinuria, albuminuria, serum creatinine, and urea levels compared to diabetic controls, suggesting nephroprotective activity possibly mediated by improved glycemic control and anti-inflammatory compounds.
**Lipid-Lowering Effects**
The same 13-week preclinical trial in diabetic rats demonstrated reductions in serum lipid levels with aqueous seed extract treatment, consistent with the presence of saponins and sterols including β-sitosterol glucoside and stigmasterol glucoside identified in seeds and leaves.
**Antioxidant and Phytochemical Activity**
Leaves contain polyphenols, flavonoids, tannins, coumarins, and galactomannans with established free-radical scavenging potential in vitro, with GC-MS-identified sesquiterpenes such as 2-Naphthalenemethanol decahydro derivatives contributing to this antioxidant profile.
**Traditional Antipyretic Use in Samoa**
Seeds have been used in Samoan traditional medicine specifically for the management of fever, aligning with the known anti-inflammatory and possibly prostaglandin-modulating activity of flavonoids and triterpenoids present in seed preparations.
Origin & History
Natural habitat
Adenanthera pavonina is pantropically native to tropical Asia, including India, Sri Lanka, Malaysia, and across the Pacific Islands, and has naturalized widely throughout the Caribbean, Africa, and Oceania including Samoa. It thrives in lowland tropical forests, disturbed habitats, and coastal margins, tolerating a range of soil types and high humidity. The tree is cultivated ornamentally for its vivid scarlet seeds and has long been integrated into agroforestry systems across Pacific Island communities.
“Adenanthera pavonina has been employed across South and Southeast Asian, Pacific Island, and Caribbean traditional medicine systems for a remarkably diverse range of conditions, including diarrhea, stomach hemorrhage, hematuria, boils, inflammation, blood disorders, arthritis, rheumatism, cholera, paralysis, epilepsy, convulsions, spasms, indigestion, hypertension, gout, and cancer. In Samoa, the seeds hold particular significance as a traditional remedy for fever, and the bright red seeds have also been used as currency and jewelry beads across South and Southeast Asia, earning the tree the name 'coral bead tree' or 'red bead tree' in many regions. The species appears in Ayurvedic and Unani texts as a treatment for skin diseases and rheumatic disorders, with ground seeds applied as poultices and decoctions prepared from bark and leaves administered internally. The tree's pantropical spread facilitated the transfer of its medicinal applications across diverse ethnobotanical traditions, making it one of the more widely documented multi-indication plants of the humid tropics.”Traditional Medicine
Scientific Research
The available evidence for Adenanthera pavonina is exclusively preclinical, comprising in vitro phytochemical characterization, in silico molecular docking and molecular dynamics studies, and in vivo rodent experiments, with no published human clinical trials identified in the literature. A key in vivo study employed STZ-induced diabetic rats treated with aqueous seed extract (APSAE) over 13 weeks, measuring outcomes including blood glucose, HbA1c, lipid profile, renal biomarkers, and body weight, but the study did not report sample sizes, confidence intervals, or effect sizes, substantially limiting interpretability. GC-MS characterization of methanolic leaf extracts identified 17 phytochemicals with favorable ADMET profiles for select compounds, and in silico docking studies provide mechanistic hypotheses, but these computational findings require validation in biological systems. The current evidence base is characteristic of an early-stage ethnobotanical research program, and all findings must be considered hypothesis-generating rather than clinically actionable.
Preparation & Dosage
Traditional preparation
**Aqueous Seed Extract (APSAE)**
Used in preclinical diabetic rat studies over 13 weeks; no human-equivalent dose established; traditional preparation involves grinding dried seeds and preparing decoctions in water.
**Methanolic Leaf Extract**
Used in in vitro and in silico research; not a recognized supplemental form; laboratory preparation involves maceration in methanol followed by filtration and concentration.
**Ground Seeds (Traditional, Samoan)**
Seeds ground and administered orally for fever management; no standardized dose or preparation protocol documented in ethnobotanical literature.
**Bark Decoction**
Used traditionally for pain relief and inflammatory conditions; preclinical antinociceptive studies used unspecified crude bark extracts; no dose-ranging data available.
**Kernel Extract**
Applied traditionally and tested preclinically for anti-inflammatory effects; no standardized form or dosage established.
**Supplemental Forms**
No commercially standardized capsules, tablets, or extracts are currently available; all uses remain at the level of traditional or experimental crude preparations.
**Standardization**
No phytochemical standardization markers or minimum content specifications have been established for any preparation of Adenanthera pavonina.
Nutritional Profile
Adenanthera pavonina seeds are proteinaceous legume seeds containing trypsin inhibitor proteins at 17 kDa and 15 kDa molecular weights, which reduce net protein digestibility and represent an antinutritional factor in raw seed consumption. Seeds and pods contain saponins, steroids including β-sitosterol glucoside and stigmasterol glucoside, glycosides, and polysaccharides including galactomannans, which contribute dietary fiber equivalents. Leaves contain octacosanol (a long-chain fatty alcohol), dulcitol (a sugar alcohol), flavonoids, polyphenols, tannins, and coumarins, with the volatile fraction dominated by sabinene (27.9%) and D-limonene (14.79%) in leaf essential oil. No quantified macronutrient or micronutrient data (protein percentage, fat content, mineral concentrations) are available from peer-reviewed sources for any plant part, and bioavailability of phytochemicals has not been assessed in humans.
How It Works
Mechanism of Action
Molecular docking and 100-nanosecond molecular dynamics simulations demonstrate that diazoprogesterone, identified by GC-MS in methanolic leaf extracts, binds stably to the mutated insulin receptor tyrosine kinase (PDB: 5hhw) with a docking score of −9.2 kcal/mol, potentially inhibiting aberrant glucose uptake pathways implicated in type 2 diabetes mellitus. O-acetylethanolamine from seed and pod extracts provides anti-inflammatory activity, likely through modulation of eicosanoid biosynthesis or endocannabinoid-adjacent pathways. Bark-derived antinociceptive compounds engage opioid receptors, as confirmed by naloxone reversibility in rodent models, with the cGMP pathway serving as a secondary signaling axis since methylene blue (a guanylate cyclase inhibitor) enhances rather than blocks the analgesic response. Trypsin inhibitor proteins of 17 kDa and 15 kDa in seeds inhibit serine protease activity, which may contribute to anti-inflammatory and potentially antinutritional effects depending on dose and preparation method.
Clinical Evidence
No human clinical trials have been conducted on Adenanthera pavonina in any preparation or indication. The most substantive in vivo data come from a 13-week study in streptozotocin-induced diabetic rats using aqueous seed extract, which reported reductions in blood glucose, HbA1c, proteinuria, albuminuria, serum lipids, creatinine, and urea relative to untreated diabetic controls, with body weight increases exceeding those in the glibenclamide group. However, the absence of reported sample sizes, statistical parameters, and effect sizes in available data significantly limits the quality assessment of this study. Confidence in translating these preclinical results to human therapeutic applications is low, and rigorous Phase I/II clinical trials with standardized preparations are needed before any clinical recommendations can be made.
Safety & Interactions
No human safety data, documented adverse effects, or established maximum safe doses exist for Adenanthera pavonina in any preparation; all preclinical studies describe crude extracts as 'relatively safe' compared to synthetic agents, but this characterization lacks rigorous toxicological validation. The presence of trypsin inhibitor proteins (17 kDa and 15 kDa) in raw seeds poses a meaningful antinutritional concern, as these compounds can impair protein digestion and potentially reduce absorption of dietary proteins when seeds are consumed without adequate heat processing. No specific drug interaction data are available, though the proposed anti-diabetic mechanism involving insulin receptor tyrosine kinase modulation raises a theoretical concern for additive hypoglycemic effects if combined with insulin secretagogues, biguanides, or insulin itself. Pregnancy and lactation safety has not been studied; traditional use in some regions for abortifacient or emmenagogue purposes has been reported anecdotally, and therefore use in pregnant or lactating individuals cannot be considered safe based on current evidence.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Coral Bead TreeRed Bead TreePeacock Flower FenceAdenanthera pavoninaBead TreeSaga HutanTouch-me-not (Mimosa pudica)Circassian Seed Tree
Frequently Asked Questions
What is Adenanthera pavonina used for traditionally in Samoa?
In Samoan traditional medicine, the seeds of Adenanthera pavonina are used specifically for the treatment of fever, typically prepared by grinding the dried seeds and administering them orally as a decoction or powder. This antipyretic use is consistent with the known anti-inflammatory phytochemical profile of the seeds, which includes flavonoids, saponins, and triterpenoids that may modulate prostaglandin-mediated febrile responses. No standardized preparation or dose has been documented in the ethnobotanical literature.
Does Adenanthera pavonina have antidiabetic effects?
Preclinical evidence from a 13-week study in streptozotocin-induced diabetic rats showed that aqueous seed extract (APSAE) reduced blood glucose, HbA1c, and lipid levels compared to untreated diabetic controls. Molecular docking studies have further identified diazoprogesterone from leaf extracts as a candidate inhibitor of mutated insulin receptor tyrosine kinase (docking score −9.2 kcal/mol), suggesting a molecular basis for antidiabetic activity. However, no human clinical trials have been conducted, so these findings cannot currently be translated into clinical recommendations.
Are Adenanthera pavonina seeds safe to eat?
Raw seeds of Adenanthera pavonina contain trypsin inhibitor proteins of 17 kDa and 15 kDa molecular weight, which can impair protein digestion and represent an antinutritional concern if seeds are consumed without adequate heat processing. No formal human toxicology studies have been conducted, and no maximum safe intake has been established for any seed preparation. Traditional use generally involves processed or extracted forms rather than raw seed consumption, and caution is warranted particularly for individuals with protein absorption concerns.
What bioactive compounds are found in Adenanthera pavonina leaves?
GC-MS analysis of methanolic leaf extracts identified 17 phytochemicals, with the most pharmacologically notable being diazoprogesterone, alongside sesquiterpenes including 2,4,4,7a-tetramethyl-1-(3-oxobutyl)octahydro-1H-indene-2-carboxylic acid. The leaf essential oil contains sabinene (27.9%) and D-limonene (14.79%) as major volatile constituents, and leaves also contain octacosanol, dulcitol, glucosides of β-sitosterol and stigmasterol, flavonoids, tannins, and coumarins. ADMET analysis of the docked compounds from leaf extracts indicated favorable predicted pharmacokinetic properties.
How does Adenanthera pavonina relieve pain according to research?
Bark extracts of Adenanthera pavonina demonstrate antinociceptive activity in rodent models through a mechanism that is reversible by naloxone, indicating direct engagement of opioid receptors as a primary analgesic pathway. An additional role for the cGMP signaling pathway has been identified, as methylene blue (a guanylate cyclase inhibitor) potentiates rather than blocks the analgesic effect, suggesting a complex dual-mechanism action. These findings are limited to animal studies, and no clinical evidence supports the use of bark preparations for pain management in humans.
Does Adenanthera pavonina interact with diabetes medications like metformin or insulin?
While Adenanthera pavonina seed extracts have demonstrated antidiabetic properties in animal models, there is currently no published clinical research documenting specific interactions with metformin, insulin, or other diabetes drugs in humans. Because the plant may lower blood glucose levels independently, combining it with prescription diabetes medications could theoretically increase hypoglycemia risk, making medical supervision essential. Anyone taking diabetes medications should consult their healthcare provider before adding this ingredient to avoid potentially unsafe blood sugar fluctuations.
Is Adenanthera pavonina safe during pregnancy and breastfeeding?
There is insufficient safety data on Adenanthera pavonina use during pregnancy and breastfeeding in humans, and it is not recommended during these periods as a precautionary measure. While traditional use exists in some cultures, the plant's bioactive compounds and their effects on fetal development or lactation have not been formally studied. Pregnant or nursing women should consult a healthcare provider before considering supplementation with this ingredient.
What form of Adenanthera pavonina is most effective—seed extract, powder, or whole seed?
Clinical research on Adenanthera pavonina has primarily tested aqueous seed extracts, which concentrated bioactive compounds like diazoprogesterone and O-acetylethanolamine more effectively than whole seeds in demonstrating antidiabetic activity. Standardized seed extracts may offer superior bioavailability and consistent dosing compared to raw powder or whole seeds, though comparative bioavailability studies in humans are lacking. The optimal form depends on the intended use and therapeutic target, with extract forms likely providing more predictable pharmacological effects based on available research.
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