Hermetica Superfood Encyclopedia
The Short Answer
Ixora coccinea contains high concentrations of flavonoids (quercetin, myricetin, rutin), phenolics, and triterpenes that exert antioxidant effects via radical scavenging and anti-inflammatory effects via NF-κB pathway inhibition. Preclinical studies demonstrate that oral administration of flower extract at 250–500 mg/kg produces analgesic effects (56.14–63.16% inhibition of acetic acid-induced writhing, p<0.05) and antimicrobial activity with leaf extract MIC values ≤300 µg/mL against Staphylococcus aureus, though no human clinical trials have yet confirmed these findings.
CategoryHerb
GroupSoutheast Asian
Evidence LevelPreliminary
Primary KeywordIxora coccinea benefits
Jungle Geranium — botanical close-up
Health Benefits
**Antioxidant Activity**
The leaf ethyl acetate extract contains total flavonoids at 771.31 µg quercetin equivalents/mL and phenolics at 77.4 mg ascorbic acid equivalents/g, enabling potent free radical scavenging with methanolic flower extract DPPH IC50 of 100.53 µg/mL, approaching the activity of ascorbic acid (IC50 58.92 µg/mL).
**Anti-inflammatory and Analgesic Effects**
Oral flower extract (250–500 mg/kg in rodents) significantly increased hot-plate reaction time and inhibited acetic acid-induced writhing by 56.14–63.16% (p<0.05), suggesting central and peripheral analgesic mechanisms mediated by flavonoid constituents including quercetin.
**Antimicrobial Properties**
Hydroalcoholic leaf extracts inhibit clinically relevant pathogens including Enterococcus faecalis and Staphylococcus aureus at MIC ≤300 µg/mL and Candida albicans at ≤400 µg/mL, indicating broad-spectrum activity attributable to phenolics, tannins, and saponins.
**Wound Healing Support**
Traditional Filipino and Ayurvedic applications use flower and leaf pastes topically for wound management; the combination of antimicrobial, antioxidant, and anti-inflammatory phytochemicals (quercetin, rutin, ursolic acid) provides a plausible mechanistic rationale, though controlled wound-healing studies are limited.
**Anticancer Potential**
Methanolic flower extract inhibits Dalton's lymphoma ascites (DLA) and Ehrlich ascites carcinoma (EAC) cell proliferation by greater than 50% at 250–300 µg/mL in vitro; leaf ethyl acetate extract also demonstrates in vitro activity against skin cancer cell lines via MTT assay, attributed to myricetin, quercetin, and rutin.
**Antipyretic and Fever Reduction**
Flowers and leaves have been traditionally used in Ayurveda and Southeast Asian folk medicine to reduce fever, with phytochemical constituents such as ursolic acid and flavonoids known to modulate inflammatory cytokine signaling implicated in pyrexia.
**Anthocyanin-Rich Skin and Vascular Support**
The vivid red flowers are rich in anthocyanins, flavonoid pigments associated with capillary integrity, collagen synthesis support, and oxidative stress reduction, making them relevant in traditional preparations for skin disorders and inflammation in Filipino ethnomedicine.
Origin & History
Natural habitat
Ixora coccinea L. is native to South and Southeast Asia, with origins spanning India, Sri Lanka, Bangladesh, and the Philippine archipelago, where it thrives in tropical and subtropical climates with well-drained acidic soils and full sun exposure. The plant is widely cultivated as an ornamental shrub throughout Southeast Asia, the Caribbean, and tropical Africa, growing at elevations from sea level to approximately 1,000 meters. In the Philippines, it has been integrated into folk medicine traditions and cultivated in home gardens, while in India it occupies a prominent role in Ayurvedic and Siddha medicine systems.
“Ixora coccinea occupies a significant position in Ayurvedic medicine, where it is referenced in classical texts under the Sanskrit name 'Bandhuka' or 'Raktaka,' with documented use for treating wounds, skin eruptions, menorrhagia, dysentery, and fever using floral and leaf preparations dating back several centuries. In the Philippines, the plant is recognized in traditional healing practices (hilot and herbolario traditions) as a wound remedy, with the flowers and leaves applied as poultices, aligning with the anthocyanin and flavonoid content that modern phytochemistry has since characterized. Across tropical Asia and parts of Africa where it has naturalized, the brilliant red floral clusters carry cultural significance in religious offerings, garden aesthetics, and community medicine, often marking its dual identity as ornamental and medicinal. In Siddha medicine of South India, the root and flower are used in formulations for gonorrhea, leucorrhea, and ulcers, demonstrating a breadth of traditional application that has informed contemporary phytochemical investigation.”Traditional Medicine
Scientific Research
The current evidence base for Ixora coccinea consists entirely of in vitro phytochemical analyses, cell-line cytotoxicity assays, and small animal pharmacological studies, with no registered or published human clinical trials identified as of the most recent literature review. Preclinical rodent studies have demonstrated statistically significant analgesic and anti-inflammatory effects at oral doses of 250–500 mg/kg (p<0.05), but sample sizes and full methodological details are incompletely reported in available publications, limiting the strength of inference. One study developed a phytosome delivery system from leaf ethyl acetate extract to improve the bioavailability of polyphenols, representing an early-stage formulation effort that has not progressed to human pharmacokinetic evaluation. GC-MS, HPLC, and HPTLC analyses have robustly characterized the phytochemical composition across flower, leaf, stem, and fruit fractions, providing a reliable chemical foundation, but the translation of these findings to clinically meaningful human doses and outcomes remains entirely unestablished.
Preparation & Dosage
Traditional preparation
**Traditional Paste (Topical)**
Fresh flowers or leaves are crushed into a paste and applied directly to wounds, inflamed skin, or skin lesions in Filipino and Ayurvedic folk medicine; no standardized application frequency or duration is established.
**Aqueous Decoction (Oral)**
5–10 g plant material per 200 mL water) and consumed as a tea for fever, dysentery, and inflammation; traditional dosing is 1–2 cups daily, though this is not clinically validated
Dried flowers or leaves are boiled in water (typically .
**Methanolic or Hydroalcoholic Extract (Research Grade)**
250–500 mg/kg body weight orally in rodents; equivalent human doses are not established and direct extrapolation is inappropriate without human pharmacokinetic data
Used in preclinical studies at .
**Ethyl Acetate Extract (Laboratory)**
4 mg AAE/g); a phytosome formulation has been explored in research settings to improve polyphenol bioavailability
Leaf ethyl acetate extract (ICLEA) demonstrated the highest flavonoid (771.31 µg QCE/mL) and phenolic content (77..
**Essential Oil (Flowers)**
Extracted via hydrodistillation yielding 54 identified components (99.97% total), predominantly triterpenes (62.60%) and monoterpenes (31.73%); no therapeutic dosing regimen has been established for human use.
**Standardization**
No commercial standardized extract or supplement form with defined phytochemical specifications is currently available; research extracts are characterized by total flavonoid and phenolic content rather than single-marker standardization.
Nutritional Profile
Ixora coccinea is not consumed as a dietary staple and does not contribute meaningfully to macronutrient intake; its nutritional relevance lies primarily in its dense phytochemical composition. Flavonoids represent the dominant bioactive class, with total flavonoid content reaching 771.31 µg quercetin equivalents/mL in leaf ethyl acetate extracts and 694.69 µg QCE/mL in flower ethyl acetate extracts; identified compounds include quercetin, myricetin, rutin, biochanin A, daidzein, and formononetin. Phenolic acids are present at 49.4–77.4 mg ascorbic acid equivalents/g in leaf extracts, with sinapic acid quantified at 21.96 mg and myricetin at 0.13 mg per HPLC analysis of fruit fractions. Triterpenes constitute 62.60% of flower essential oil, with ursolic acid and γ-sitosterol (5.06% in petroleum ether extract) identified as notable components; alkaloids, tannins, and saponins are confirmed at high levels (+++) by phytochemical screening. Bioavailability of polyphenols from whole-plant preparations is expected to be limited by first-pass metabolism and low aqueous solubility, motivating the phytosome delivery approach under investigation.
How It Works
Mechanism of Action
Quercetin and myricetin, the dominant flavonoids in Ixora coccinea, inhibit the NF-κB transcription factor pathway by blocking IκB kinase phosphorylation, thereby suppressing downstream production of pro-inflammatory cytokines including TNF-α, IL-1β, and IL-6; molecular docking analysis confirms quercetin binding to NF-κB protein with favorable interaction energies. The antioxidant mechanism proceeds through direct hydrogen atom transfer and electron donation to neutralize DPPH, superoxide, and hydroxyl radicals, augmented by the chelation of transition metal ions by the catechol and pyrogallol moieties of myricetin and rutin. Ursolic acid, identified via HPTLC in methanolic flower extracts, inhibits cyclooxygenase (COX) enzymes and modulates arachidonic acid metabolism, providing a complementary peripheral anti-inflammatory mechanism distinct from flavonoid-mediated pathways. Antimicrobial activity is attributed to the disruption of bacterial cell membrane integrity by tannins and saponins (confirmed at +++ phytochemical screening levels), and phenolic compounds including sinapic acid, which interfere with cell wall biosynthesis in gram-positive organisms such as S. aureus and E. faecalis.
Clinical Evidence
No human clinical trials investigating Ixora coccinea as a therapeutic or nutraceutical agent have been conducted or reported in the accessible literature; all available efficacy data originates from in vitro cell models and in vivo rodent pharmacology studies. In animal models, the most quantified outcomes include 56.14–63.16% inhibition of chemically induced pain behaviors at 250–500 mg/kg oral dosing and in vitro cancer cell growth inhibition exceeding 50% at 250–300 µg/mL for DLA and EAC cell lines. Antimicrobial efficacy has been characterized by MIC determinations against a limited panel of organisms (S. aureus, E. faecalis, C. albicans), demonstrating activity at ≤300–400 µg/mL in controlled laboratory conditions. Confidence in these results for human application is very low; dose extrapolation from rodent studies to humans and the absence of bioavailability data mean that clinical recommendations cannot be made from the existing evidence base.
Safety & Interactions
No adverse effects were reported in rodent studies administering Ixora coccinea flower extract orally at 250–500 mg/kg, and phytochemical screening does not flag acutely toxic compound classes at these levels; however, formal acute and subchronic toxicity studies with complete histopathological assessment have not been published for this species. Human safety data is entirely absent, and the high tannin and saponin content at therapeutic concentrations raises theoretical concerns about gastrointestinal irritation, reduced mineral absorption (particularly iron and zinc), and potential hemolytic activity with prolonged high-dose use. Drug interaction data is not available; however, the presence of flavonoids including quercetin and rutin — known inhibitors of CYP3A4, CYP2C9, and P-glycoprotein in other studied plants — raises the theoretical possibility of pharmacokinetic interactions with anticoagulants, immunosuppressants, and chemotherapeutic agents if concentrated extracts are consumed. Ixora coccinea is contraindicated in pregnancy based on traditional cautions regarding uterine-stimulating potential attributed to triterpene constituents, and its use during lactation, in children, or in individuals with hepatic impairment should be avoided until human safety data is available.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Ixora coccinea L.Jungle GeraniumFlame of the WoodsSantan (Filipino)Bandhuka (Sanskrit)Rugmini (Ayurveda)West Indian Jasmine
Frequently Asked Questions
What is Ixora coccinea used for medicinally?
Ixora coccinea is used traditionally in Ayurvedic, Siddha, and Filipino folk medicine for wound healing, inflammation, fever, dysentery, and skin disorders, typically as flower or leaf pastes and decoctions. Preclinical research supports antioxidant, anti-inflammatory, antimicrobial, and anticancer activities driven by its flavonoids (quercetin, myricetin, rutin), phenolics, and triterpenes, though no human clinical trials have confirmed these applications.
Does Ixora coccinea have any proven anti-inflammatory effects?
In rodent pharmacological studies, oral administration of Ixora coccinea flower extract at 250–500 mg/kg produced statistically significant analgesia, inhibiting acetic acid-induced writhing by 56.14–63.16% (p<0.05) and increasing hot-plate reaction time. These effects are attributed to quercetin-mediated NF-κB inhibition and ursolic acid-driven COX enzyme suppression, but equivalent human clinical evidence does not yet exist.
Is Ixora coccinea safe to consume or apply topically?
Animal studies at 250–500 mg/kg oral doses reported no adverse effects, and topical traditional use has a long history without widely documented harm; however, formal human safety and toxicology studies have not been published. High tannin and saponin content may cause gastrointestinal irritation at large oral doses, and the plant is traditionally cautioned against in pregnancy due to potential uterine-stimulating triterpene activity.
What are the main bioactive compounds in Ixora coccinea?
The primary bioactive compounds are flavonoids — particularly quercetin, myricetin, rutin, biochanin A, daidzein, and formononetin — alongside phenolic acids (sinapic acid), triterpenes (ursolic acid), γ-sitosterol, and a diverse essential oil fraction comprising 54 components dominated by triterpenes (62.60%) and monoterpenes (31.73%). Total flavonoid content in leaf extracts reaches 771.31 µg quercetin equivalents/mL, among the highest reported for tropical medicinal herbs.
Can Ixora coccinea treat cancer?
In vitro studies show methanolic flower extracts inhibit Dalton's lymphoma ascites and Ehrlich ascites carcinoma cell growth by more than 50% at 250–300 µg/mL, and leaf ethyl acetate extracts demonstrate activity against skin cancer cell lines in MTT assays. These are early-stage laboratory findings only; no animal tumor models or human clinical oncology trials have been conducted, and Ixora coccinea should not be considered a cancer treatment.
How does Ixora coccinea's antioxidant potency compare to common antioxidant supplements?
Ixora coccinea flower extract demonstrates significant antioxidant capacity with a DPPH IC50 of 100.53 µg/mL, which is reasonably close to ascorbic acid (vitamin C) at 58.92 µg/mL, indicating moderate-to-strong free radical scavenging ability. The leaf extract contains substantial flavonoid content (771.31 µg quercetin equivalents/mL) and phenolics (77.4 mg ascorbic acid equivalents/g), placing it among bioactive herbal sources. While not as potent as pure ascorbic acid, Ixora coccinea's polyphenolic profile offers a multi-compound antioxidant benefit typical of whole plant extracts rather than isolated compounds.
What is the most effective form of Ixora coccinea for therapeutic use—flower extract, leaf extract, or whole plant?
Research indicates that both flower and leaf extracts of Ixora coccinea demonstrate therapeutic activity, with flower extracts showing strong antioxidant properties and leaf ethyl acetate extracts containing higher concentrations of flavonoids and phenolics. The extraction method (ethyl acetate, methanol, aqueous) significantly influences bioactive compound concentration and biological activity. Clinical efficacy likely depends on the specific health goal—leaf extracts for antioxidant benefits and flower extracts for anti-inflammatory and analgesic effects—though standardized extract preparations are preferable to whole plant material for consistent dosing.
Who would benefit most from Ixora coccinea supplementation based on its known properties?
Individuals seeking natural antioxidant and anti-inflammatory support, particularly those with chronic pain or inflammatory conditions, may benefit from Ixora coccinea supplementation based on its documented mechanisms. People looking for plant-based alternatives to synthetic analgesics and anti-inflammatory agents could find value in its dual bioactive properties. However, optimal candidates would be those without contraindications (pregnancy, certain medications) seeking complementary botanical support rather than primary medical treatment.
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