Alangium salvifolium (Cornaceae) Ankol, Sage-leaved Alangium

Das K
Nov 6, 2025
11 min read

Alangium salvifolium, commonly known as Ankol, is a revered medicinal plant with a rich history in Ayurveda, Siddha, and other traditional systems across Asia and Africa. It is most notably recognized as a potent anti-inflammatory, anti-arthritic, and anticancer agent. The plant exhibits a broad pharmacological profile, demonstrating significant activity against ulcers, cardiovascular disease, pain, microbial infections, and seizures. Modern research has confirmed its therapeutic efficacy, identifying specific bioactive alkaloids like alangine, ankorine, and tubulosine that contribute to its diverse healing properties.

1. Taxonomic Insights

Species: Alangium salvifolium (L.f.) Wangerin

Family: Cornaceae (formerly Alangiaceae)

The genus Alangium has been taxonomically reclassified and is now placed within the larger Cornaceae family. The specific epithet salvifolium refers to the sage-like leaves, derived from Latin salvia (sage) and folium (leaf). The plant was first described by Carl Linnaeus the Younger.

The Cornaceae family is characterized by trees or shrubs with simple, usually opposite leaves. While primarily known for ornamental species like dogwoods, this family contains the medicinally significant genus Alangium.

Taxonomic Note: The plant is widely known by its synonymous names Alangium lamarkii Thw., Alangium decapetalum Lam., and Alangium salviifolium subsp. salviifolium .

Related Herbs from the Same Family:

· Alangium chinense (Chinese Alangium): A closely related species used in Traditional Chinese Medicine for its analgesic, anti-inflammatory, and anti-rheumatic properties.

· Cornus officinalis (Japanese Cornelian Cherry): A well-known tonic herb in East Asian medicine, valued for its kidney-tonifying, liver-supporting, and astringent properties.

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2. Common Names

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3. Medicinal Uses

Primary Actions: Anti-inflammatory, Analgesic, Anti-arthritic, Anticancer, Antimicrobial, Antioxidant, Anti-ulcer, Hepatoprotective, Anthelmintic.

Secondary Actions: Cardioprotective, Antiepileptic, Antidiabetic, Diuretic, Laxative, Purgative, Febrifuge, Antidote (snakebite, scorpion sting), Wound healing.

Medicinal Parts:

Almost every part of the Ankol tree roots, stem bark, leaves, flowers, fruits, and seeds is used medicinally, each with specific therapeutic indications .

· Roots and Root Bark: Used as an emetic, febrifuge, purgative, anthelmintic, and diaphoretic. In Ayurveda and Siddha, it is a key ingredient for treating epilepsy, jaundice, hepatitis, piles, and skin diseases including leprosy .

· Stem Bark: Known for its anti-arthritic and anti-inflammatory properties. The decoction is used for diarrhea and vomiting .

· Leaves: Employed as a poultice for rheumatic pains, osteoarthritis, and asthma. Leaf paste is applied to reduce inflammation and joint pain .

· Flowers: The fragrant flowers are used for their purgative, expectorant, and carminative properties. Fruit juice is applied to treat eye disorders .

· Fruits (Pericarp): Used as a laxative and expectorant. The fruit pulp serves as an antidote for poisoning .

· Seeds: Known as an anthelmintic and used to enhance stamina and physical performance. Ankol seed oil is a potent analgesic used for skin conditions, hair growth, and to manage blood disorders .

· Twigs: Used for dental hygiene (chewing sticks) in India .

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4. Phytochemicals Specific to the Plant and Their Action

The plant is a rich reservoir of secondary metabolites, with alkaloids, flavonoids, and phenolic compounds being the dominant bioactive classes .

· Ipecac Alkaloids (Alangine, Ankorine, Tubulosine, Cephaeline, Psychotrine): These are the signature bioactive compounds, responsible for the plant's potent Anticancer, Anti-amoebic, and Purgative effects. Deoxytubulosine has been specifically identified as a key antitumor alkaloid .

· Other Alkaloids (Marckidine, Marckine, Alangicine, Salsoline, Ankorine): These contribute to the Antihypertensive, Antispasmodic, and Sedative properties. Salsoline is known for its sympathetic nervous system effects .

· Flavonoids: Present in significant quantities, particularly in seeds (98.26 mg RE/g) . They are responsible for Antioxidant, Anti-inflammatory, Diuretic, and Cardioprotective effects. Their mechanism includes inhibiting sodium reabsorption and scavenging free radicals .

· Tannins: Abundant in leaves (60.34 mg TAE/g) . They provide Astringent, Wound healing, and Antimicrobial properties, supporting traditional use in diarrhea and dysentery.

· Phenolic Compounds: Leaves contain high levels (65.40 mg GAE/g) . They exhibit potent Antioxidant and Anti-inflammatory activities through free radical scavenging and inhibition of lipid peroxidation.

· Saponins, Glycosides, and Terpenoids: Present in various parts, contributing to Immunomodulatory, Antifungal, and Anti-ulcer effects .

· Essential Fatty Acids (Linoleic, Oleic, Palmitic): Identified in leaf and seed extracts via LC-MS, contributing to anti-inflammatory and membrane-stabilizing effects .

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5. Traditional and Ethnobotanical Uses Covering the Medicinal Uses

Rheumatic Pain, Osteoarthritis & Shotha (Inflammation)

Formulation: Leaf poultice; stem bark decoction.

Preparation & Use: Fresh leaves are ground into a paste and applied externally to swollen joints and painful areas to reduce osteoarthritis and rheumatic pain . A decoction of the stem bark is taken internally for systemic inflammation and arthritis .

Reasoning: The potent anti-inflammatory action has been validated in animal models, showing significant reduction in paw edema. Flavonoids and alkaloids inhibit pro-inflammatory enzymes (COX, LOX) and mediators .

Vrana (Wounds) & Tvak Rogas (Skin Diseases)

Formulation: Seed oil; root bark paste; leaf juice.

Preparation & Use: Ankol seed oil is applied topically for boils, itching, ringworm, and wounds. Root bark is used in leprosy and other severe skin diseases .

Reasoning: The antimicrobial activity of alkaloids and tannins combats infection, while the oil promotes wound contraction and hair growth. The astringent nature of tannins helps dry out oozing lesions .

Arbuda (Cancer) & Granthi (Tumors)

Formulation: Whole plant extracts (leaf, flower, fruit).

Preparation & Use: In traditional practices, extracts of the plant are used as a supportive therapy for internal tumors and skin cancers .

Reasoning: Modern studies have confirmed potent anticancer activity. Ethanolic leaf extracts showed reduced tumor volume and increased lifespan in animal models. Chloroform extracts of flowers also showed promising effects on Ehrlich Ascites Carcinoma. The alkaloid deoxytubulosine is considered a key cytotoxic agent .

Apach (Digestive Disorders & Piles)

Formulation: Root bark powder; fruit pulp.

Preparation & Use: Root bark is mixed with buffalo buttermilk to treat jaundice and diarrhea . Roots are also used for piles (hemorrhoids) and as a purgative/anthelmintic to expel worms .

Reasoning: The laxative and anthelmintic properties are attributed to specific alkaloids and saponins. Studies have confirmed the plant's potent anti-ulcer activity, significantly lowering the ulcer index .

Jwara (Fever) & Visha (Snakebite/Scorpion Sting)

Formulation: Root decoction; leaf juice.

Preparation & Use: In the Comoros, a decoction of the whole plant with coconut is used for boils and fever. Root bark is considered a febrifuge and diaphoretic .

Reasoning: As an antidote for snake and rat bites, the phytochemicals likely neutralize venom components or block their receptors, a use documented in Indian and Comorian ethnomedicine .

Diabetes & Hypertension

Formulation: Leaf extract; root decoction.

Preparation & Use: Traditional practitioners use the plant to lower blood pressure and manage blood sugar levels.

Reasoning: Research supports its use as an antihypertensive and antidiabetic agent, likely involving the diuretic action (flushing excess sodium) and insulin-sensitizing effects of the phytocompounds .

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6. Healing Recipes, Decoctions, and Preparations

Anti-arthritic Leaf Poultice

Purpose: Topical relief for joint pain, swelling, and rheumatism.

Preparation & Use:

1. Take a handful of fresh Alangium salvifolium leaves.

2. Wash and grind them into a smooth paste using a little water.

3. Warm the paste slightly and apply it as a thick layer to the affected joint.

4. Cover with a clean muslin cloth and leave for 1-2 hours. Use daily until pain subsides .

Anti-diarrheal Root Bark Powder

Purpose: For diarrhea, dysentery, and mild digestive infections.

Preparation & Use:

1. Source dried root bark. (Caution: Use only under expert guidance.)

2. Grind into a fine powder.

3. Mix 1-2 grams of the powder with a cup of buffalo buttermilk or warm water.

4. Consume once or twice daily as prescribed by a practitioner .

Immunomodulatory Leaf Decoction (for general health)

Purpose: To harness antioxidant and antimicrobial benefits for general wellness.

Preparation & Use:

1. Take 5-10 grams of dried Alangium leaves or 1 teaspoon of leaf powder.

2. Boil in 2 cups of water for 10-15 minutes.

3. Strain and allow to cool.

4. Drink 1 cup in the morning on an empty stomach for short-term use only (up to 7 days).

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7. In-Depth Phytochemical Profile and Clinical Significance of Alangium salvifolium (Ankol)

Introduction

Alangium salvifolium, or Ankol, represents a significant bridge between ancient ethnomedical wisdom and cutting-edge pharmacognosy. For centuries, the thorny Ankol tree has served as a "village pharmacy" across the Indian subcontinent and Africa, addressing conditions ranging from snakebites to joint pain. In the modern era, it has captured the attention of global researchers, not merely as a folk remedy, but as a source of potent lead compounds for oncology and inflammatory diseases. The 2025 and 2026 publications have placed it at the forefront of medicinal plant research, revealing that its leaves, fruits, and seeds possess highly selective cytotoxicity against cancer cells, with seed extracts nearing the efficacy of standard chemotherapeutic agents. Its therapeutic identity is shaped by a complex profile dominated by ipecac alkaloids unique flavonoids, and a robust phenolic matrix.

1. Alkaloids: The Ipecac Signature and Anticancer Vanguard

Key Compounds: Alangine, Ankorine, Tubulosine, Deoxytubulosine, Cephaeline, Psychotrine, Marckidine, Marckine, Salsoline .

Quantitative Profile: Fruits are particularly rich in alkaloids, measured at 69.46 mg AE/g .

Actions and Clinical Relevance:

· Anticancer & Cytotoxic (Clinically Significant): This is the most exciting area of modern research. The alkaloids, particularly deoxytubulosine, exhibit significant antitumor effects. In a 2026 study using multi-technique analysis, extracts of A. salvifolium showed potent cytotoxicity against A431 human epidermoid carcinoma cells .

· Quantified Potency: The IC50 values (concentration needed to kill 50% of cancer cells) were 10 µg/mL for leaf extract, 8 µg/mL for fruit extract, and an impressive 6.8 µg/mL for seed extract. For context, the standard chemotherapy drug Doxorubicin has an IC50 of 5.4 µg/mL against these cells. The seed extract was remarkably close to the drug's potency .

· In Vivo Validation: Studies on mice with Ehrlich Ascites Carcinoma (EAC) showed that treatment with leaf extract reduced tumor volume, increased the lifespan of the mice, and normalized hematological parameters with minimal side effects .

· Anti-amoebic & Antimicrobial: Derived from the same class as the anti-dysentery drug Emetine, these alkaloids exhibit strong activity against intestinal parasites and pathogenic microbes, validating traditional use in dysentery and diarrhea .

· Cardiovascular & Antihypertensive: Salsoline and other alkaloids contribute to lowering blood pressure, likely through vasodilation and cardiac modulation .

2. Phenolics and Flavonoids: The Antioxidant and Anti-inflammatory Matrix

Key Compounds: Quercetin, Kaempferol, Gallic acid, Ellagic acid, various glycosides .

Quantitative Profile: The plant shows organ-specific accumulation of these compounds. Seeds contain the highest flavonoids (98.26 mg RE/g), while leaves are richest in total phenolics (65.40 mg GAE/g) and tannins (60.34 mg TAE/g) .

Actions and Clinical Relevance:

· Anti-inflammatory & Anti-arthritic (Traditional Primary Action): The leaf paste for rheumatic pain is a hallmark use of Ankol. Research confirms that the flavonoids and phenolics inhibit the production of pro-inflammatory mediators like nitric oxide (NO) and prostaglandins. A 2026 comprehensive review notes that this anti-inflammatory action has been quantified in animal models, showing a notable reduction in paw edema .

· Diuretic Activity: The flavonoid-rich root extracts have been shown to significantly increase urine output and electrolyte excretion (Na+, K+, Cl-). This diuretic action supports the traditional use of the plant in hypertension and edema by lowering blood volume and pressure .

· Antioxidant (Potent Scavenging): The high phenolic content of the leaves has been validated through standard assays (DPPH, FRAP, Phosphomolybdenum). The aqueous leaf extract exhibited antioxidant activity comparable to ascorbic acid (Vitamin C) . This protects cells from oxidative stress, which is a root cause of chronic diseases like arthritis and cancer.

· Wound Healing & Astringent: Tannins, which are abundant in the leaves, precipitate proteins, forming a protective layer over wounds and reducing inflammation. This, combined with antimicrobial alkaloids, promotes healing .

3. Terpenoids and Other Bioactives

Key Compounds: Lupeol, β-sitosterol, various triterpenoids .

Actions and Clinical Relevance:

· Anti-ulcer (Confirmed Efficacy): Studies have shown that extracts of A. salvifolium possess significant anti-ulcer activity, protecting the gastric mucosa from damage. This validates its traditional use in treating stomach ulcers and hyperacidity .

· Hepatoprotective: The hepatoprotective activity of the plant has been scientifically evaluated, supporting its use in traditional medicine for jaundice and liver dysfunction .

An Integrated View of Healing in Alangium salvifolium

· For Cancer Support and Cytotoxic Therapy: A. salvifolium is emerging as a significant botanical source for anticancer drug development. The 2026 data showing IC50 values of 6.8 µg/mL for seed extracts against skin cancer cells is remarkable for a natural product . The mechanism involves inducing cell death and inhibiting tumor proliferation, potentially with fewer systemic side effects than traditional chemotherapy . While not a standalone cure, it represents a potent candidate for phytotherapy.

· For Inflammatory and Autoimmune Conditions (Arthritis & Rheumatism): The synergistic action of this plant makes it a powerful anti-inflammatory agent. When applied as a poultice, the tannins and alkaloids penetrate the skin to reduce local inflammation. When taken internally, the flavonoids work systemically to inhibit the COX and LOX enzymes that cause joint pain and swelling . This multi-pronged attack on inflammation validates its traditional use as a go-to remedy for osteoarthritis.

· For Gastrointestinal Health (Ulcers & Dysentery): The plant exhibits a "cooling" and astringent action on the gut. The alkaloids act as anti-amoebic agents, clearing pathogenic infections that cause dysentery. Concurrently, the tannins and flavonoids reduce the secretion of fluids and protect the mucosal lining, while specific terpenoids prevent the formation of ulcers .

Toxicological Profile and Quality Control

Toxicity assessments have established that a dosage range of 100–300 mg/kg of specific extracts is considered safe and required to elicit the desired pharmacological response . However, as a potent medicinal plant containing emetine-like alkaloids, it must be used with respect. Overdosage can lead to vomiting, purging, and central nervous system depression. Traditionally, roots are processed or combined with adjuvants like buttermilk to mitigate harsh purgative effects . Standardization of extracts is crucial to ensure safety and efficacy.

Conclusion: Alangium salvifolium is an extraordinary medicinal plant undergoing a renaissance in scientific literature. Once a hidden gem of Ayurveda, it is now validated by high-impact research as a potent anti-arthritic, hepatoprotective, and specifically, a cytotoxic agent against cancer cells. The 2026 breakthroughs in understanding its alkaloid composition and quantifying its anticancer activity against epidermoid carcinoma cells position it as a promising source for novel drug leads. While it maintains its traditional role as a reliable treatment for snakebites and joint pain, its future likely lies in modern phytopharmaceuticals for oncology and immunomodulation.

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Disclaimer:

Alangium salvifolium contains potent alkaloids and should be used with extreme caution. Self-medication is not advised. The seeds, roots, and bark have strong purgative and emetic properties. Overdose can be toxic. Pregnant and breastfeeding women, as well as children, should avoid use. Toxicological data suggests that specific dose ranges (100–300 mg/kg) are required for efficacy without toxicity, highlighting the need for professional standardization . Always consult a qualified healthcare professional (Ayurvedic practitioner or physician) before use. This information is for educational purposes only and is not a substitute for professional medical advice.

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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)

· Pharmacological and phytochemical studies of Alangium salvifolium Wang. – A review (ScienceDirect, 2017)

· PROTA (Plant Resources of Tropical Africa)

· Compendium of Indian Medicinal Plants by Ram P. Rastogi & B.N. Mehrotra

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

1. Withania somnifera (Ashwagandha)

· Species: Withania somnifera | Family: Solanaceae

· Similarities: Both are potent anti-inflammatory and anti-arthritic herbs in Ayurveda. While Ashwagandha is more adaptogenic and nervine, Ankol is more specific for direct pain relief, inflammation, and topical wound healing.

2. Carica papaya (Papaya)

· Species: Carica papaya | Family: Caricaceae

· Similarities: Both plants contain proteolytic enzymes and alkaloids that aid digestion and act as anthelmintics. Papaya leaves are famous for dengue fever and platelet count, while Ankol is more renowned for its anticancer and anti-amoebic properties.

3. Rauvolfia serpentina (Sarpagandha)

· Species: Rauvolfia serpentina | Family: Apocynaceae

· Similarities: Both are known for their potent antihypertensive alkaloids (Reserpine in Sarpagandha, Salsoline in Ankol) and sedative effects. They are historically used in treating mental disorders and high blood pressure, requiring similar stringent dosing protocols due to potency.

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PREHEALING

Alangium salvifolium (Cornaceae) Ankol, Sage-leaved Alangium

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