Changeri (Changeri (Chukrika, Dantashatha, Ambastha, Amlalonika, Amalachangeri))
Changeri (Oxalis corniculata) is a herb used in Ayurveda for its digestive and therapeutic properties. It is known for its sour taste and its ability to kindle digestive fire.
Botanical name: Oxalis corniculata. Also known as: Creeping wood sorrel, Indian sorrel, Creeping lady's sorrel, Procumbent yellow sorrel, Yellow wood sorrel, Creeping oxalis, Indian penny wood, Changeri, Ambalika, Amrulika, Amlapatrika, Chukrika, Dantshatha, Ambashtha, Amallonika, Ashmantak, Shafri, Kushali, Amalpatrak, Khatti booti, Amrul, Teen Pattia, Puliyarai, Paliakiri, Puliya Keerai, Pulichinta, Puliyarila, Pulliparel, Huli soppu, Sivargee, Pullamouradi, Amrul, Ambali, Ambolee, Changeri, Ambat chukka, Ambatee, Ambutee, Khatti buti, Changeri, Teen patiya.
Properties
Antioxidant activity, Anti-inflammatory activity, Antimicrobial activity, Hypoglycemic activity, Anticancer activity
Dosage
Juice (Swarasa): 10-30 ml, once or twice a day; Powder (Churna): 2-5 g or 3-6 g; Decoction (Kwatha): 10-40 ml
Classical attributes
- Rasa: Astringent, Sweet, Sour
- Virya: ["Hot"]
- Vipaka: ["Sweet"]
Benefits
- Digestive stimulant
- Kindles digestive fire
Traditional uses
- Malabsorption syndrome
- Hemorrhoids
- Peptic ulcers
Dosha effects
- vata: balancing
- kapha: decreasing
- pitta: balancing
Preparation methods
- Fresh Juice (Swarasa): Crush the leaves and stems and extract the juice. Mix with a pinch of rock salt to aid absorption. It can be mixed with buttermilk or lemonade.
- Decoction (Kwatha): Boil 2-3 g of dried herb in 200 ml of water until reduced to 50 ml. Strain and drink warm before meals.
- Powder (Churna): Dried leaves can be ground into a powder.
- Paste: Fresh leaves can be crushed into a paste for topical applications.
- Ghrita (Medicated Ghee): Changeri is used in Ayurvedic formulations like Changeri Ghrita.
- Food: The leaves can be used in chutneys, salads, and soups. In Kerala and Karnataka, it is used as a substitute for tamarind or lemon.
Contraindications
- Excessive consumption: May irritate the stomach lining because of high oxalic acid content.
- Kidney Stones: Contraindicated for individuals with kidney stones as it may worsen the condition. The oxalates in Changeri can bind calcium, potentially contributing to kidney stone formation in susceptible individuals.
- Vata Imbalance: Overuse can aggravate Vata, leading to dryness and bloating.
- Pregnancy and Lactation: Use cautiously during pregnancy and lactation. Insufficient safety data exists, especially for concentrated extracts, during the first trimester of pregnancy.
- Rheumatoid arthritis, diabetes mellitus, gout: Those suffering from these conditions should avoid Changeri.
- Hypocalcemia: May further reduce calcium availability.
- Interaction with Medications: Use caution if taking antacids or mineral supplements (calcium, magnesium) as Changeri may reduce their absorption.
Side effects
- Excessive Consumption: May cause stomach irritation due to high oxalic acid content.
- Calcium Absorption: Excessive use can inhibit calcium absorption in the body, potentially leading to nutritional deficiencies.
- Kidney Stones: Due to oxalates, it may contribute to kidney stones in susceptible individuals.
- Digestive Issues: Large amounts may cause digestive upset.
- Other Reported Side Effects: Diarrhea, nausea, increased urination, skin reactions, eye damage. Swelling of the mouth, tongue, and throat is also possible.
- Rare reports of mild gastric irritation and nausea when taken on an empty stomach.
Interactions
- Antacids and Mineral Supplements: Caution should be taken if on antacids or mineral supplements (calcium, magnesium) as Changeri may reduce their absorption.
- It is generally recommended to inform your healthcare provider about Changeri use, especially if managing a chronic condition or taking prescription drugs.
- Ayurvedic herbs can interact with modern medicine; if both are advised together, it is best to take allopathic medicine first, wait 30 minutes, and then take the Ayurvedic medicine.
Clinical evidence
Several animal studies and a small human study suggest that Oxalis corniculata may have antiulcer, wound healing, neuroprotective, and dyspepsia-relieving properties. Further well-designed clinical trials are needed to confirm these findings.
Ayurvedic karmas
- Digestive stimulant
- Kindles digestive fire
Classical clinical indications
- Malabsorption syndrome
- Hemorrhoids
- Peptic ulcers