Anogeissus latifolia (Combretaceae) Dhawa, Axlewood, Gum Ghatti

Das K
3 hours ago
13 min read

Quick Overview:

Anogeissus latifolia is a highly valued medicinal and industrial tree, deeply integrated into the traditional medicine systems of the Indian subcontinent. It is most notably recognized as the primary source of "Gum Ghatti," a versatile exudate used in pharmaceuticals, food processing, and cosmetics. Therapeutically, the bark, leaves, and gum are employed as potent astringents, anti-inflammatory agents, and wound healers, traditionally used to treat diarrhea, dysentery, diabetes, skin diseases, and snake bites. Modern research is rigorously validating its traditional uses, revealing a wide spectrum of pharmacological activities including potent antioxidant, antimicrobial, hepatoprotective, antiulcer, and anticancer properties, driven by its rich profile of tannins, flavonoids, and phenolic compounds like ellagic acid.

---

1. Taxonomic Insights

Species: Anogeissus latifolia (Roxb. ex DC.) Wall.

Family: Combretaceae

Taxonomic Note: The plant has several synonyms, including Conocarpus latifolia Roxb. It is classified within the genus Anogeissus, which comprises eight species dispersed across Asia and Africa, seven of which are native to Asia and one to Africa.

The Combretaceae family is characterized by trees and shrubs, often with high tannin content, making them medicinally significant for their astringent, antimicrobial, and wound-healing properties. A. latifolia is one of the most important species in this family for its medicinal and economic value.

Related Herbs from the Same Family:

· Terminalia arjuna (Arjuna): A premier cardioprotective herb, valued for strengthening heart muscle and managing cardiovascular conditions.

· Terminalia chebula (Haritaki): The "King of Medicines" in Ayurveda, a prime rejuvenative and digestive tonic with potent astringent and antioxidant properties.

· Terminalia bellirica (Bibhitaki): Key respiratory and digestive cleansing herb, a component of the classic formulation Triphala.

· Combretum albidum (White Bush Willow/Vanni): A medicinal liana used for its astringent and anti-inflammatory properties in respiratory and bleeding disorders.

---

2. Common Names

---

3. Medicinal Uses

Primary Actions: Astringent, Anti-inflammatory, Antimicrobial, Antioxidant, Wound healing, Hepatoprotective, Antiulcer, Antidiabetic, Antipyretic, Analgesic.

Secondary Actions: Anthelmintic, Anticancer, Anticonvulsant, Antiasthmatic, Thrombolytic, Hypolipidemic, Antidote (snake and scorpion bites), Immunomodulatory, Antitussive.

Medicinal Parts:

The bark, leaves, and gum are the primary parts used medicinally.

· Stem Bark: The most extensively used part in traditional medicine, prepared as a decoction or powder for diarrhea, dysentery, diabetes, skin diseases, inflammatory conditions, and as a hepatoprotective tonic. It is a rich source of tannins and ellagic acid.

· Leaves: Used for wounds, diabetes, cough, and as an antimicrobial agent. They contain flavonoids like quercetin, rutin, and specific C-glycosides.

· Gum (Ghatti Gum): The commercially valuable exudate, used internally as a demulcent, astringent, and for treating diarrhea and dysentery. Externally, it is applied to wounds and skin conditions. It also has extensive industrial applications as a binding and emulsifying agent.

· Roots, Fruits, Flowers: Used in various folk remedies for specific ailments like stomach ache, burning sensations, and as antiseptics.

---

4. Phytochemicals Specific to the Plant and Their Action

Phenolic Acids and Tannins (The Dominant Astringent and Antioxidant Arsenal):

· Ellagic Acid: A signature phenolic compound, quantified in the stem bark as a key marker. It is a potent Antioxidant, Anti-inflammatory, Hepatoprotective, and Anticancer agent. It also exhibits Antifungal activity, often synergistically with other compounds.

· Gallic Acid: A potent Antioxidant, Anti-inflammatory, and Astringent compound, contributing to wound healing and antimicrobial effects.

· Terminalin (Gallagic Acid Bilactone), Punicalin, 2-O-Galloylpunicalin: These hydrolyzable tannins, isolated from the leaves, contribute significantly to Antioxidant, Antimicrobial, and Antiulcer activities.

· Corilagin: A tannin reported in the leaves with antioxidant and anti-inflammatory properties.

Flavonoids (The Antioxidant and Anti-inflammatory Matrix):

· C-Glycoside Flavonoids (Vitexin, Isovitexin, Orientin, Isoorientin): Isolated from the leaves, these compounds exhibit Antioxidant, Anti-inflammatory, Antispasmodic, and Neuroprotective properties.

· Quercetin and Rutin: Contribute to Antioxidant, Anti-inflammatory, and Cardioprotective effects.

Triterpenoids and Sterols:

· 3-β-hydroxy-28-acetyltaraxaren: A triterpenoid isolated from the bark.

· β-Sitosterol: A plant sterol with Anti-inflammatory and Cholesterol-lowering properties.

· 3,4,3'-Tri-O-methylflavellagic acid-4'-β-D-glucoside, 3,3'-Di-O-methyl ellagic acid-4'-β-D-xyloside: Isolated from the stem bark.

Other Compounds:

· Monosaccharides (Arabinose, Galactose, Mannose, Xylose, Rhamnose) and Glucuronic Acid: Found in Gum Ghatti.

· Alkaloids, Terpenoids, Saponins, Coumarins: Reported in various phytochemical screenings.

---

5. Traditional and Ethnobotanical Uses Covering the Medicinal Uses

The plant, known as Dhawa or Gum Ghatti, is deeply embedded in the ethnomedicine of India, with a vast array of documented folk and tribal uses.

Atisara (Diarrhea) & Pravahika (Dysentery)

Formulation: Stem bark decoction; gum.

Preparation & Use: A decoction of the stem bark is a primary traditional remedy for diarrhea and dysentery across many regions of India, including Himachal Pradesh and Madhya Pradesh. The gum is also taken internally for its astringent effect.

Reasoning: The high concentration of astringent tannins, including ellagic acid, gallic acid, and punicalin, reduces intestinal inflammation, precipitates proteins on the mucosa to form a protective layer, and decreases fluid secretion, effectively managing diarrhea and dysentery.

Vrana (Wounds) & Tvak Rogas (Skin Diseases)

Formulation: Bark powder or leaf paste for topical application; gum.

Preparation & Use: The powdered bark or a paste of the leaves is applied externally to wounds, boils, ulcers, and skin conditions like blisters and itching. The gum is also used similarly.

Reasoning: The wound-healing activity is scientifically validated. Tannins provide astringent action, contracting tissues and reducing exudate. Antimicrobial flavonoids and phenolics prevent infection. Anti-inflammatory compounds reduce swelling, and the overall effect promotes rapid epithelialization and tissue regeneration.

Madhumeha (Diabetes) & Prameha (Metabolic Disorders)

Formulation: Stem bark decoction or powder; leaf preparations.

Preparation & Use: The stem bark is traditionally used in various parts of India, including Chhattisgarh and Himachal Pradesh, for managing diabetes.

Reasoning: Modern research confirms significant antihyperglycemic and antihyperlipidemic activity. The bioactive compounds, likely tannins and flavonoids, improve insulin sensitivity, reduce glucose absorption, and modulate lipid profiles by lowering LDL and triglycerides while increasing HDL.

Shoola (Pain) & Jwara (Fever)

Formulation: Stem bark decoction or ethanolic extract.

Preparation & Use: The stem bark is used ethnomedicinally to alleviate pain, including back pain, and to reduce fever.

Reasoning: Rigorous pharmacological studies have validated these uses. The ethanolic extract of the stem bark, standardized to ellagic acid, demonstrates significant analgesic, anti-inflammatory, and antipyretic effects in animal models, inhibiting pain responses and reducing yeast-induced fever.

Visha Chikitsa (Snake and Scorpion Bites)

Formulation: Stem bark paste or decoction; root preparations.

Preparation & Use: In Bangladesh and various parts of India (Madhya Pradesh, Andhra Pradesh), the stem bark is traditionally used as an antidote for snake and scorpion bites. The sap is also used for this purpose.

Reasoning: While specific antivenom mechanisms are not fully elucidated, the potent anti-inflammatory, antioxidant, and antimicrobial properties likely help manage local tissue damage, reduce pain and swelling, and prevent secondary infection at the bite site.

Kasa (Cough) & Shwasa (Respiratory Disorders)

Formulation: Stem bark sap; leaf preparations.

Preparation & Use: The sap from the stem bark is used in Andhra Pradesh to relieve persistent cough. The plant is also used for asthma.

Reasoning: The anti-inflammatory and antiasthmatic activities have been scientifically documented. Leaf extracts have shown bronchodilator activity in animal models, supporting its traditional use in respiratory conditions.

Other Traditional Uses:

· Postpartum Recovery: The gum is given to women after delivery to alleviate back pain and repair damaged tissues.

· Gastrointestinal Disorders: Used for vomiting, stomach ache, and as a digestive aid.

· Piles and Fistula: The plant is used in the treatment of hemorrhoids and fistulas.

· Lactation: Gum extracts are used in Gujarat to promote lactation.

---

6. Healing Recipes, Decoctions, and Preparations

Antidiarrheal Bark Decoction

Purpose: For acute diarrhea and dysentery.

Preparation & Use:

1. Take 1-2 teaspoons of dried, crushed stem bark.

2. Simmer in 2 cups of water for 20-30 minutes until reduced to 1 cup.

3. Strain and drink 50-100 ml twice daily until symptoms subside.

Wound-Healing Bark Powder

Purpose: Topical application for cuts, wounds, and skin ulcers.

Preparation & Use:

1. Dry the stem bark thoroughly and grind to a fine powder.

2. Sprinkle the powder directly onto a clean, moist wound, or mix with a little water or honey to form a paste.

3. Apply to the affected area and cover with a clean cloth. Change daily.

Antidiabetic Support Decoction

Purpose: Supportive therapy for blood sugar management (under professional guidance).

Preparation & Use:

1. Take 1 teaspoon of dried, crushed stem bark.

2. Simmer in 300 ml of water for 15-20 minutes.

3. Strain and drink once daily, preferably before a meal. Use under professional supervision.

Gum Ghatti Demulcent Drink

Purpose: For soothing irritated mucous membranes in the gut or throat.

Preparation & Use:

1. Take a small pea-sized amount of pure gum ghatti.

2. Soak it in a glass of water overnight. It will swell and form a mucilaginous solution.

3. Stir and drink the next morning on an empty stomach.

---

7. In-Depth Phytochemical Profile and Clinical Significance of Anogeissus latifolia (Dhawa)

Introduction

Anogeissus latifolia, known across the Indian subcontinent as Dhawa or the source of Gum Ghatti, is a botanical cornerstone of both traditional medicine and rural industry. Its vernacular name, deeply embedded in Ayurveda and countless folk traditions, reflects a plant used for a staggering array of human ailments, from life-threatening snake bites and metabolic disorders like diabetes to common complaints of diarrhea, wounds, and fever. The tree's therapeutic and economic significance is rooted in its prolific production of bioactive secondary metabolites, most notably a rich and complex arsenal of hydrolyzable tannins and phenolic acids, led by the powerful ellagic acid. Its gum, a unique polysaccharide complex, bridges the worlds of medicine and industry. Modern scientific inquiry, particularly over the last five years, has systematically validated these traditional uses, elucidating the molecular mechanisms behind its wound-healing, anti-inflammatory, hepatoprotective, and antidiabetic effects. The isolation of specific C-glycoside flavonoids from its leaves and the discovery of its cytotoxic potential against cancer cells in preliminary screens are now positioning A. latifolia not merely as a traditional remedy, but as a promising source of novel phytotherapeutics. This body of research also underscores a pressing conservation concern, as overexploitation threatens this irreplaceable species.

1. Tannins and Phenolic Acids: Ellagic Acid and the Astringent/Antioxidant Foundation

Key Compounds: Ellagic acid, Gallic acid, Terminalin (gallagic acid bilactone), Punicalin, 2-O-galloylpunicalin, Corilagin.

Actions and Clinical Relevance:

· Antioxidant and Hepatoprotective (Core Activity): The high tannin content, particularly ellagic and gallic acid, confers potent free radical scavenging ability. This activity is the foundation for many of the plant's therapeutic effects. The hepatoprotective action, validated in carbon tetrachloride (CCl4)-induced liver damage models, is a direct result of this antioxidant capacity. The methanol extract of the bark protects liver cells by restoring levels of key antioxidant enzymes like superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH), and by reducing lipid peroxidation. This activity, in some parameters, has been noted to be superior to the standard hepatoprotective drug silymarin.

· Antiulcer and Gastroprotective: The tannin-rich extracts demonstrate significant gastroprotective effects. They work by strengthening the gastric mucosal barrier, reducing lipid peroxidation in the stomach lining, and enhancing the activity of protective enzymes like catalase. This provides a scientific rationale for its traditional use in treating ulcers and gastric inflammation.

· Antimicrobial and Wound Healing: The astringent tannins precipitate microbial proteins and disrupt cell walls, contributing to the plant's broad-spectrum antibacterial activity against pathogens like Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae. This antimicrobial action, combined with the astringent effect that contracts tissues and reduces exudate, creates an optimal environment for wound healing. Studies confirm that extracts accelerate wound contraction and epithelialization, validating its traditional topical use.

· Antifungal and Antiviral Potential: Ellagic acid has emerged as a promising antifungal agent, often working synergistically with other compounds. Furthermore, sulfated arabinogalactan derivatives from the gum have shown inhibitory effects against Herpes Simplex Virus Type 1 (HSV-1) by hindering viral attachment and penetration.

2. Flavonoids: C-Glycosides and the Anti-inflammatory/Antioxidant Matrix

Key Compounds: Vitexin, Isovitexin, Orientin, Isoorientin, Quercetin, Rutin.

Actions and Clinical Relevance:

· Anti-inflammatory and Analgesic (Clinically Validated): The ethanolic extract of the stem bark, standardized to ellagic acid, has been rigorously evaluated for its anti-inflammatory, analgesic, and antipyretic properties. In carrageenan and formalin-induced paw edema models, the extract (200 and 400 mg/kg) significantly inhibited inflammation, with percentage inhibition of 44.40% and 46.21%, respectively. It also showed significant pain relief in acetic acid-induced writhing and formalin-induced pain models, as well as antipyretic effects in yeast-induced fever. These effects are attributed to the synergistic action of flavonoids and phenolic compounds, which inhibit key pro-inflammatory mediators like COX, LOX, and cytokines.

· Antiasthmatic and Anticonvulsant Potential: The flavonoids, particularly the C-glycosides, are thought to contribute to the plant's observed antiasthmatic (bronchodilator) and anticonvulsant activities. Leaf extracts have demonstrated the ability to protect against histamine-induced bronchospasm, and stem bark extracts have shown dose-dependent protection in seizure models.

· Hypoglycemic and Antidiabetic Effects: The flavonoid-rich extracts, along with tannins, contribute to the plant's significant antidiabetic activity. They work through multiple mechanisms, including inhibition of carbohydrate-digesting enzymes (like α-amylase), improving insulin sensitivity, and modulating glucose metabolism in peripheral tissues.

3. Gum Ghatti: The Unique Polysaccharide Complex

Key Compounds: A high molecular weight calcium/magnesium salt of polysaccharic acid (ghattic acid), composed of L-arabinose, D-galactose, D-mannose, D-xylose, L-rhamnose, and D-glucuronic acid.

Actions and Clinical Relevance:

· Demulcent and Astringent: The gum forms a viscous, mucilaginous solution that soothes irritated mucous membranes in the gastrointestinal and respiratory tracts, explaining its traditional use in diarrhea and cough.

· Hypolipidemic Activity: Research indicates that gum ghatti exhibits significant hypolipidemic potential. It has been shown to lower total cholesterol, triglycerides, and LDL levels while enhancing HDL in hyperlipidemic models.

· Pharmaceutical and Industrial Applications: The gum's high viscosity, stability, and emulsifying properties make it a valuable excipient in pharmaceutical formulations (as a binder, emulsifier, and sustained-release polymer), as well as in the food and cosmetics industries.

4. Anticancer and Cytotoxic Potential (Emerging Research)

Key Compounds: Ellagic acid, tannins, and other phenolics.

Actions and Clinical Relevance:

· Cytotoxic Activity: Preliminary studies, including brine shrimp lethality assays (BSLA), have indicated the cytotoxic potential of hydroalcoholic extracts of A. latifolia leaves. This simple screening model suggests the presence of bioactive compounds that warrant further investigation against specific human cancer cell lines. The known anticancer properties of ellagic acid and other tannins, which can induce apoptosis and inhibit cancer cell proliferation, provide a strong rationale for this emerging area of research.

An Integrated View of Healing in Anogeissus latifolia

· For Gastrointestinal and Hepatic Disorders: A. latifolia functions as a comprehensive digestive and liver tonic. The astringent tannins provide immediate relief in acute diarrhea and dysentery by reducing inflammation and fluid loss. The antiulcer compounds strengthen the gastric lining against damage. Most profoundly, the hepatoprotective action, driven by ellagic acid and other antioxidants, shields the liver from toxins, normalizes enzyme levels, and promotes regeneration, addressing a root cause of many metabolic and systemic illnesses.

· For Metabolic Syndrome (Diabetes and Dyslipidemia): The plant offers a multi-pronged approach to managing metabolic disease. It inhibits carbohydrate digestion to blunt postprandial glucose spikes, improves lipid profiles by lowering harmful LDL and triglycerides while raising beneficial HDL, and provides potent antioxidant protection against the oxidative stress that drives diabetic complications and atherosclerosis. The gum itself contributes to cholesterol management, making different parts of the tree relevant to different facets of the syndrome.

· For Wound Healing and Skin Integrity: This is one of the most scientifically validated traditional uses. The combination of antimicrobial flavonoids and tannins prevents wound infection. The anti-inflammatory compounds reduce swelling and pain. The astringent tannins contract the wound bed and reduce exudate. The collective action of these phytochemicals promotes rapid epithelialization, collagen deposition, and tissue regeneration, turning a complex pathological process into a managed, accelerated healing response.

· As a Source of Broad-Spectrum Anti-inflammatory and Analgesic Compounds: The validated anti-inflammatory, analgesic, and antipyretic effects of the stem bark extract, comparable to standard drugs like indomethacin and aspirin in experimental models, position it as a powerful natural alternative for managing pain, fever, and chronic inflammatory conditions, without the typical side effects of synthetic NSAIDs.

Toxicological Profile and Safety

Acute toxicity studies with the ethanolic extract of the stem bark (ALEE) at a limit dose of 2000 mg/kg showed no mortality or toxic signs in rats over a 14-day observation period, indicating a wide margin of safety for oral use. However, like many potent medicinal plants, A. latifolia demonstrates a dose-dependent toxicity profile, particularly when administered intraperitoneally. Research suggests it can be considered safe when administered within prescribed oral dosages. Comprehensive safety data for long-term use, during pregnancy and lactation, are still lacking, and use should be under professional guidance.

Conclusion: Anogeissus latifolia is a botanical treasure of immense medicinal and economic value. Its identity is built upon a foundation of potent tannins and phenolic acids, with ellagic acid as a key bioactive marker, and a diverse array of therapeutic flavonoids. The convergence of traditional knowledge with rigorous modern science is particularly striking in this species. A comprehensive 2025 review and numerous specialized studies have not only validated its traditional use as a panacea for gastrointestinal, hepatic, and dermatological ailments but have also illuminated its profound potential in managing metabolic syndrome, inflammation, and even cancer. Its gum, Ghatti gum, represents a vital link between ethnomedicine and industrial application. However, this very utility has led to overexploitation, threatening its natural populations. The future of A. latifolia lies in a dual approach: implementing urgent conservation and sustainable harvesting practices while continuing to explore its phytochemical depth through clinical studies to develop safe, effective, and standardized phytotherapeutics.

---

Disclaimer:

Anogeissus latifolia has a long history of traditional use and is generally considered safe when used in moderation. Acute toxicity studies show a wide safety margin for oral use. However, comprehensive safety data for long-term use, during pregnancy and lactation, are lacking. The plant demonstrates a dose-dependent toxicity profile when administered via non-oral routes. Individuals on anticoagulant, antidiabetic, or hepatotoxic medications should consult a healthcare provider before use. Always use under the guidance of a qualified healthcare professional. This information is for educational purposes only and is not a substitute for professional medical advice.

---

8. Reference Books, Books for In-depth Study:

· Indian Medicinal Plants: An Illustrated Dictionary by C.P. Khare

· The Ayurvedic Pharmacopoeia of India (relevant volumes)

· Wealth of India: Raw Materials (CSIR publication)

· Dictionary of Indian Folk Medicine and Ethnobotany by S.K. Jain

· Quality Standards of Indian Medicinal Plants (Indian Council of Medical Research)

---

9. Further Study: Plants That Might Interest You Due to Similar Medicinal Properties

1. Terminalia chebula (Haritaki)

· Species: Terminalia chebula | Family: Combretaceae

· Similarities: Both are cornerstone members of the Combretaceae family, renowned for their high tannin content and profound astringent, hepatoprotective, and rejuvenative properties. Haritaki is the ultimate digestive and Rasayana tonic, while A. latifolia offers additional specific benefits in wound healing and as a source of industrial gum.

2. Acacia nilotica (Babul)

· Species: Acacia nilotica | Family: Fabaceae

· Similarities: Both trees are highly astringent, rich in tannins, and used extensively in traditional medicine for diarrhea, dysentery, wounds, and skin diseases. Babul is also a source of gum Arabic, which shares some functional properties with Gum Ghatti, making them parallel resources in ethnomedicine and industry.

3. Quercus infectoria (Majuphal)

· Species: Quercus infectoria | Family: Fagaceae

· Similarities: Majuphal (Oak Gall) is one of the most potent astringent substances in traditional medicine, used almost identically to A. latifolia for diarrhea, dysentery, vaginal discharges, and as a wound healer. Both represent the pinnacle of tannin-based therapeutics.

4. Butea monosperma (Palasha)

· Species: Butea monosperma | Family: Fabaceae

· Similarities: Both are revered trees in Indian traditional medicine, used for their astringent bark in treating diarrhea and dysentery. They also share applications in managing diabetes and as hepatoprotective agents. While Butea is more famous for its flowers and anthelmintic seeds, Anogeissus is prized for its gum and broader wound-healing profile.

---

-x-x-x-End-x-x-x-

PREHEALING

Anogeissus latifolia (Combretaceae) Dhawa, Axlewood, Gum Ghatti

Recent Posts

Comments