Hermetica Superfood Encyclopedia
The Short Answer
Abutilon indicum contains flavonoids (catechin at 48.87% by HPTLC, quercetin, luteolin), phenolics (gallic acid at 27.45%), and phytosterols (β-sitosterol at 88.05% GC-MS probability) that exert antioxidant effects via free radical scavenging and anti-inflammatory activity through sterol-mediated enzyme modulation. Preclinical in vitro assays of the ethanolic leaf extract demonstrated IC50 values of 70.12 µg/mL for nitric oxide scavenging and 76.16 µg/mL for superoxide scavenging, supporting its traditional Samoan application for wound healing through oxidative stress reduction and antimicrobial action.
CategoryHerb
GroupPacific Islands
Evidence LevelPreliminary
Primary KeywordMaisa Abutilon indicum benefits
Maisa — botanical close-up
Health Benefits
**Wound Healing Support**
Flavonoids and phenolics in ethanolic leaf extracts reduce oxidative stress at wound sites by scavenging superoxide (IC50 76.16 µg/mL) and nitric oxide (IC50 70.12 µg/mL), facilitating tissue repair consistent with its traditional Samoan use for wounds.
**Antioxidant Protection**: Total phenolics (11
46 mg GAE/g) and flavonoids (8.32 mg QE/g) in ethanolic leaf extract neutralize hydrogen peroxide (IC50 97.43 µg/mL) and other reactive oxygen species, protecting cellular components from oxidative DNA damage.
**Anti-Inflammatory Activity**: β-Sitosterol (identified at 88
05% probability by GC-MS in fruit extract) modulates inflammatory pathways, likely via COX enzyme inhibition, reducing pro-inflammatory mediator production in a manner consistent with Ayurvedic anti-inflammatory applications.
**Antimicrobial Properties**: Alkaloids (6
41 mg CE/g in ethanolic leaf extract) combined with phenolic compounds disrupt microbial cell membranes and inhibit bacterial enzyme activity, providing broad-spectrum antimicrobial coverage relevant to wound infection prevention.
**Antidiabetic Potential**
Traditional Ayurvedic and folk medicine use of Abutilon indicum for glycemic management is supported by preliminary evidence that flavonoids such as quercetin (7.25% by HPTLC) inhibit α-glucosidase and α-amylase enzymes, slowing carbohydrate digestion.
**Cytoprotective Effects**: The combination of gallic acid (27
45% by HPTLC) and catechin (48.87%) in ethanolic extracts provides cytoprotection against oxidative stress-induced cell death by quenching free radicals and chelating pro-oxidant metal ions.
**Diuretic and Urinary Tract Support**
Phytosterols and terpenoids identified in fruit extracts are associated with traditional use as a diuretic, with β-sitosterol contributing to modulation of sterol receptors involved in renal fluid regulation and urinary tract health.
Origin & History
Natural habitat
Abutilon indicum is native to tropical and subtropical regions spanning South Asia, Southeast Asia, and the Pacific Islands, including Samoa where it is commonly called Maisa. It thrives in disturbed habitats, roadsides, and forest margins at low to mid elevations, tolerating a range of well-drained soils and humid climates. The plant is widely naturalized across Africa, Australia, and the Pacific Islands, where it has been cultivated informally for medicinal and fiber purposes in traditional communities.
“In Samoan traditional medicine, Maisa (Abutilon indicum) has been employed as a topical wound remedy, with healers applying crushed or pounded leaf preparations directly to lacerations and skin infections, a practice documented in Pacific Islands ethnobotanical surveys. In Ayurvedic medicine on the Indian subcontinent, the plant—known locally as Atibala or Kangi—appears in classical formulations for urinary disorders, inflammation, fever, and as an aphrodisiac, with references traceable to traditional Sanskrit medical texts. The plant's fiber-bearing stems have also been used in South and Southeast Asia for rope and textile production, giving it dual utilitarian and medicinal significance in rural communities. Across Africa and the Pacific, its naturalized presence has led to independent ethnomedicinal rediscoveries, making it one of the more widely distributed pantropical medicinal herbs with consistent anti-inflammatory and wound-care applications across cultures.”Traditional Medicine
Scientific Research
The evidence base for Abutilon indicum is limited exclusively to in vitro phytochemical characterization studies and preclinical antioxidant assays; no human clinical trials, randomized controlled trials, or systematic reviews have been published on this ingredient. GC-MS studies have identified 13–20+ bioactive compounds in ethanolic and chloroform fruit and leaf extracts, with HPTLC quantification confirming catechin (48.87%), gallic acid (27.45%), and quercetin (7.25%) as dominant polyphenols. Antioxidant capacity has been measured via DPPH, superoxide radical, nitric oxide, and hydrogen peroxide scavenging assays using crude ethanolic leaf extracts, with IC50 values ranging from 70.12 to 97.43 µg/mL, showing potency comparable to ascorbic acid as a reference standard. The overall evidence quality is low by clinical standards, and all reported bioactivities require validation through in vivo animal models and subsequently designed clinical trials before therapeutic claims can be substantiated.
Preparation & Dosage
Traditional preparation
**Traditional Poultice (Samoan wound use)**
Fresh leaves are crushed or pounded and applied topically to wounds; preparation is anecdotal and not standardized.
**Decoction (Ayurvedic/folk use)**
5–10 g plant material per 200 mL water) and consumed as a tea for internal applications; no clinical dose established
Dried leaves or fruits are boiled in water (approx. .
**Ethanolic Extract (research form)**
46 mg GAE/g); no commercial supplement form exists
Studies used crude ethanolic extracts standardized by HPTLC to catechin content (48.87%) and phenolics (11..
**Chloroform Extract (research form)**
Used in phytochemical profiling for alkaloid and terpenoid isolation; not applicable to consumer use.
**Effective Dose Range**
No clinically validated dose range exists; in vitro antioxidant assays used concentrations in the range of 50–200 µg/mL of crude extract, which cannot be directly extrapolated to oral dosing.
**Standardization**
No commercial standardization percentage or certified reference material has been established for Maisa/Abutilon indicum supplements.
Nutritional Profile
Abutilon indicum leaves and fruits contain a rich phytochemical profile rather than significant macronutrient content: total phenolics measure 11.46 mg gallic acid equivalents per gram of dried ethanolic extract, and total flavonoids measure 8.32 mg quercetin equivalents per gram, with alkaloids at 6.41 mg caffeine equivalents per gram. Dominant polyphenols identified by HPTLC include catechin (48.87%), gallic acid (27.45%), quercetin (7.25%), and luteolin (confirmed at Rf 0.38). Phytosterols—principally β-sitosterol (dominant by GC-MS at RT 24.31 min) and α-sitosterol (4.35–4.55%)—contribute to the lipophilic fraction, alongside terpenoids and minor sterol derivatives including cholest-5-en-3-ol (0.87%). Bioavailability of these compounds has not been studied in humans; however, lipophilic phytosterols are generally absorbed via micellar transport in the small intestine, while water-soluble phenolics depend on gut microbiome metabolism for full bioactivation.
How It Works
Mechanism of Action
The primary antioxidant mechanism involves polyphenols—particularly catechin (Rf 0.16), gallic acid (Rf 0.57), and quercetin (Rf 0.70) identified by HPTLC—donating hydrogen atoms to neutralize superoxide radicals, nitric oxide, and hydrogen peroxide, with respective IC50 values of 76.16, 70.12, and 97.43 µg/mL in ethanolic leaf extract assays. β-Sitosterol, the dominant phytosterol in fruit extract (88.05% GC-MS match), modulates inflammatory signaling by inhibiting cyclooxygenase (COX) pathways and competing with cholesterol at cellular membrane receptors, thereby reducing prostaglandin-mediated inflammation. Alkaloids present at 6.41 mg CE/g in ethanolic leaf extract contribute to antimicrobial activity by intercalating bacterial DNA or disrupting membrane potential, complementing the wound-healing application. Luteolin (confirmed at Rf 0.38 by HPTLC) additionally suppresses NF-κB activation and pro-inflammatory cytokine transcription, providing a multi-target anti-inflammatory and antioxidant mechanism relevant to wound healing and tissue protection.
Clinical Evidence
No human clinical trials investigating Abutilon indicum (Maisa) for any health outcome have been identified in the peer-reviewed literature; the entire evidence base consists of in vitro phytochemical and antioxidant studies using crude plant extracts. The most quantified outcomes are antioxidant IC50 values from DPPH and radical scavenging assays on ethanolic leaf extracts, which showed moderate potency (IC50 70.12–97.43 µg/mL) comparable to ascorbic acid controls, but these in vitro results do not translate directly to clinical efficacy or dosing guidance. Traditional use in Samoan ethnomedicine for wound treatment and Ayurvedic applications for inflammation and diabetes provide plausibility for further investigation but do not constitute clinical evidence. Confidence in therapeutic outcomes from this ingredient must be considered very low until appropriately designed preclinical in vivo studies and human trials with defined endpoints, sample sizes, and standardized extracts are conducted.
Safety & Interactions
No formal toxicology studies, adverse event reports, or human safety data exist for Abutilon indicum taken as a medicinal preparation; preliminary in vitro analyses noted no acute cytotoxicity in cell-based assays, but this cannot substitute for in vivo or clinical safety assessment. The presence of alkaloids (6.41 mg CE/g) warrants caution at high doses, as alkaloid-rich plant extracts can cause hepatotoxicity or neurotoxicity at supraphysiological concentrations; maximum safe doses in humans have not been established. Potential drug interactions are theoretically possible: quercetin and catechin may inhibit CYP3A4 and CYP2C9 enzymes, which could alter metabolism of anticoagulants, immunosuppressants, or antidiabetic medications, though no clinical interaction data exists for this species. Use during pregnancy and lactation should be avoided due to complete absence of safety data, and individuals on hypoglycemic or diuretic medications should exercise caution given the plant's traditional use in these indications.
Synergy Stack
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Also Known As
Abutilon indicumAtibalaKangiIndian mallowCountry mallowMaisa (Samoan)
Frequently Asked Questions
What is Maisa used for in Samoan traditional medicine?
In Samoan traditional medicine, Maisa (Abutilon indicum) is primarily used as a topical remedy for wound healing, with fresh or pounded leaves applied directly to lacerations and skin infections. The plant's high content of catechin (48.87% by HPTLC), gallic acid (27.45%), and quercetin (7.25%) provides antioxidant and antimicrobial activity that supports tissue repair, though clinical validation of this use in human trials has not yet been performed.
What are the main bioactive compounds in Abutilon indicum?
The primary bioactive compounds in Abutilon indicum include flavonoids (catechin at 48.87%, quercetin at 7.25%, and luteolin confirmed by HPTLC), phenolic acids (gallic acid at 27.45%), alkaloids (6.41 mg caffeine equivalents per gram in ethanolic leaf extract), and phytosterols (β-sitosterol as the dominant compound in fruit extract at 88.05% GC-MS probability). These compounds collectively contribute to antioxidant, anti-inflammatory, and antimicrobial bioactivities documented in preclinical in vitro studies.
Is there clinical trial evidence for Abutilon indicum's health benefits?
No human clinical trials have been conducted on Abutilon indicum for any health indication; all current evidence derives from in vitro phytochemical analyses and antioxidant assays using crude plant extracts. The strongest quantified data are IC50 values from radical scavenging assays (70.12–97.43 µg/mL for ethanolic leaf extract), which show moderate antioxidant potency comparable to ascorbic acid but cannot directly guide clinical use or dosing.
What is the antioxidant potency of Abutilon indicum leaf extract?
Ethanolic leaf extract of Abutilon indicum demonstrated IC50 values of 76.16 µg/mL for superoxide radical scavenging, 70.12 µg/mL for nitric oxide scavenging, and 97.43 µg/mL for hydrogen peroxide scavenging in in vitro assays, with potency comparable to ascorbic acid as a reference standard. These values were measured in crude ethanolic preparations standardized at 11.46 mg gallic acid equivalents per gram total phenolics and 8.32 mg quercetin equivalents per gram total flavonoids.
Is Abutilon indicum safe to use, and are there any drug interactions?
Formal human safety data for Abutilon indicum does not exist, and no maximum safe dose has been established; preliminary in vitro analyses found no acute cytotoxicity, but alkaloid content (6.41 mg CE/g) warrants caution at high doses. Theoretical drug interactions are possible, as quercetin and catechin in the extract may inhibit CYP3A4 and CYP2C9 metabolic enzymes, potentially affecting drugs such as warfarin, cyclosporine, or sulfonylureas, and its use during pregnancy or lactation should be avoided pending safety studies.
What is the difference between Abutilon indicum leaf extract and whole plant preparations?
Ethanolic leaf extracts concentrate bioactive compounds like flavonoids (8.32 mg QE/g) and phenolics (11.46 mg GAE/g) in a standardized form, providing more consistent antioxidant potency than whole plant preparations. Whole plant decoctions or powders, traditionally used in Samoan medicine, offer a broader spectrum of compounds but with lower bioactive concentration per dose. Leaf extracts are better suited for research and targeted supplementation, while whole plant forms align with traditional preparation methods.
Who should consider using Abutilon indicum supplementation for wound healing support?
Individuals with minor cuts, surgical wounds, or slow-healing skin concerns may benefit from Abutilon indicum's wound-healing properties, which work by reducing oxidative stress through superoxide and nitric oxide scavenging at injury sites. Those with chronic inflammatory skin conditions or recovering from trauma could find value in its phenolic and flavonoid content, though it works best as a complementary support alongside standard wound care. People seeking natural alternatives aligned with traditional Samoan medicine practices represent another target group, provided they have no contraindications.
How does the antioxidant activity of Abutilon indicum compare to its traditional use for wounds?
The antioxidant mechanism—scavenging superoxide (IC50 76.16 µg/mL) and nitric oxide (IC50 70.12 µg/mL)—directly supports its traditional Samoan application for wound healing by reducing oxidative stress that impairs tissue repair. This scientific validation confirms that the flavonoids and phenolics responsible for antioxidant activity are the same compounds driving its traditional efficacy in wound care. Understanding this connection bridges traditional knowledge with modern biochemistry, explaining why Abutilon indicum has remained relevant in folk medicine across generations.
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