# Amlaparni

Canonical version of this page: https://nighantu.ageayurveda.com/herb/amlaparni/

> Amlaparni (Oxalis corniculata L.) is a plant drug, also called Amli, Camgeri and Amrula, from the Oxalidaceae family. Not listed in WHO monographs on selected medicinal plants; incorporated into approved Chinese patent medicines indicating regulatory acceptance in some traditional medicine systems.

## Key facts

- **Botanical name:** Oxalis corniculata L.
- **Family:** Oxalidaceae
- **Pharmacopoeia status:** Not listed in WHO monographs on selected medicinal plants; incorporated into approved Chinese patent medicines indicating regulatory acceptance in some traditional medicine systems

## Names in the Indian languages

Every name form this project holds for this drug, with the script form first and the
transliteration after it. Sources per name are on the canonical page.

| Language | Names |
| --- | --- |
| Sanskrit | अम्ली (amlī), चांगेरी (cāṃgerī) |
| Hindi | अम्रुल (amrula) |
| Tamil | புளியாரை |

## Names and identification

| Language | Name |
|----------|------|
| English | Amlaparni |
| Latin/Botanical | *Oxalis corniculata L.* |

## Key Phytochemical Constituents

- [Vitexin](/glossary/compounds-t-z/#vitexin)-2-O-beta-D-glucopyranoside
- [Isovitexin](/glossary/compounds-g-l/#isovitexin)
- Beta-[sitosterol](/glossary/compounds-q-t/#sitosterol)
- [Betulin](/glossary/compounds-a-c/#betulin)
- [Apigenin](/glossary/compounds-1-a/#apigenin)
- Oxalic acid
- 4-Hydroxybenzoic acid
- Ethyl gallate
- [Stearic acid](/glossary/compounds-q-t/#stearic-acidstearic-acid)
- Palmitic acid

## How does it work?

- [Flavonoids](/reference/flavonoids/) (vitexin, isovitexin, [apigenin](/glossary/compounds-1-a/#apigenin)) exert [antioxidant](/reference/antioxidant/) effects through direct free radical scavenging and chelation of pro-oxidant metal ions, reducing oxidative damage in cellular models
- Beta-sitosterol and betulin modulate inflammatory pathways by inhibiting NF-kB nuclear translocation and reducing expression of pro-inflammatory mediators (COX-2, iNOS, TNF-alpha)
- Ethyl gallate and phenolic compounds exhibit [antimicrobial](/reference/antimicrobial/) activity by disrupting bacterial cell membrane permeability and inhibiting biofilm formation

## Which traditional uses are supported by research?

*These summaries come from the source notes, which do not name the studies behind them.*

- Amlaparni is traditionally used in Ayurveda in relation to blood sugar levels. In vivo studies have reported [antidiabetic](/reference/antidiabetic/) and hypoglycemic activity.
- Traditionally applied topically in folk medicine for skin conditions and wounds. Preclinical studies have reported wound healing activity.
- Traditionally used for liver disorders. Animal studies have reported [hepatoprotective](/reference/hepatoprotective/) effects.

## What do recent studies show?

- Zhong T, He J, Zhao H and others 2025. [Oxalis corniculata L. As a Source of Natural Antioxidants: Phytochemistry, Bioactivities, and Application Potential](https://pubmed.ncbi.nlm.nih.gov/41300509/). *Antioxidants (Basel, Switzerland)*. PMID [41300509](https://pubmed.ncbi.nlm.nih.gov/41300509/) · [doi:10.3390/antiox14111352](https://doi.org/10.3390/antiox14111352)  
  Comprehensive review highlighting flavonoids, [polysaccharides](/glossary/compounds-o-q/#polysaccharides), and organic acids as dominant metabolites with antioxidant, anti-inflammatory, antimicrobial, [neuroprotective](/reference/neuroprotective/), hypoglycemic, and [anticancer](/reference/anticancer/) effects.
- Sarfraz I, Rasul A, Hussain G and others 2022. [A Review on Phyto-pharmacology of Oxalis corniculata](https://pubmed.ncbi.nlm.nih.gov/34391377/). *Combinatorial chemistry & high throughput screening*. PMID [34391377](https://pubmed.ncbi.nlm.nih.gov/34391377/) · [doi:10.2174/1386207324666210813121431](https://doi.org/10.2174/1386207324666210813121431)  
  Plant demonstrated significant hepatoprotective, antidiabetic, and wound healing activities in preclinical models, supporting traditional ethnomedicinal claims.

*Only studies that could be traced to a published paper are listed here. An absence here means we could not identify the source, not that no work exists.*

## Recent safety updates

- High oxalic acid content is the primary safety concern; excessive consumption may cause oxalate nephropathy and kidney stone formation in susceptible individuals
- Traditional use suggests safe consumption in small therapeutic doses; no formal toxicity studies with standardized LD50 determination have been reported
- Should be used cautiously in patients with renal impairment, hyperoxaluria, or history of calcium oxalate kidney stones; further preclinical and clinical safety trials are recommended

## Dosage forms and preparation

**Dosage Forms:** Churna (powder), Kashayam (decoction), Swarasa (fresh juice), Capsule, Tablet

**Standard Dosage:** 3-5g powder twice daily; 40-80ml decoction twice daily; 10-20ml fresh juice

**Optimal Timing:** Before meals with warm water for digestive indications; with honey for respiratory conditions

**Storage:** Cool, dry place below 25°C, in airtight containers, protected from moisture and light.

**Marker Compounds:** Total organic acids, Total phenolics, Total flavonoids, Ascorbic acid (if present)

### Synergistic Combinations

- With Amalaki for enhanced sour/astringent synergy
- With [Guduchi](/herb/guduchi/) for immune support
- With Musta for digestive disorders

---

Canonical version of this page: https://nighantu.ageayurveda.com/herb/amlaparni/

## Sources

- Amidha Ayurveda Herb Database (700+ herbs, CC-BY-4.0)
- Web research (clinical trials, WHO monographs, safety databases)
- Ayurvedic Pharmacopoeia of India

Published by Age Ayurveda in the Nighantu. Educational reference only, not medical advice.
Incorporates material from the Amidha Ayurveda Herb Database under CC BY 4.0.