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Monochoria vaginalis leaf and root extracts were evaluated for their antioxidant and anti-inflammatory property. Antioxidant property was estimated using 2,2′-azinobis(3-ethylbenzothiozoline-6-sulfonic acid) disodium salt +, metal ion chelating activity, ferric-reducing antioxidant power, superoxide anion radical scavenging, 2,2-diphenyl-1-picryl-hydrazyl, nitric oxide radical scavenging, phosphomolybdenum and hydrogen peroxide assays.<ref name="chemical composition"/>

{{Common names|kn=ನೀಲೋತ್ಪಲ neelotpalaNeelotpala|ml=കാക്കപ്പോള kakkappolaKakkappola, കരിങ്കൂവളം karinkuvalamKarinkuvalam, കുളച്ചേമ്പ് kulachempuKulachempu, കുവലയം kuvalayamKuvalayam|sa=इन्दिवर indivaraIndivara|ta=கருங்குவளை karuKaru-n-kuvalai|te=నీరు కాచ neerukaachaNeerukaacha, నీరుకాంచ nirokanchaNirokancha|hi=ननका nankaNanka, पानपत्ता paanpatta Paanpatta |en=Oval Leaf Pondweed, Oval Leaf Monochoria, Marshy betelvine}}

{{Leaf|Simple, heart-shaped or rounded, shiny, deep green in color|ovateOvate-oblong to broadly ovate|Leaves variable - 2-12.5 cm long, 0.5-10 cm wide, in very young plants without lamina; leaves of somewhat older plants with a floating linear or lanceolate blade; leaves of still older plants.}}<ref name="Leaf"/>

{{Flower|Bisexual||Petals six, violet or lilac blue||spreading Spreading at flowering, afterwards spirally contorted. As is typical of many aquatic annuals, plant size, leaf shape, and flower number are highly variable in relation to the amount of water. August-March}}

A plant of the moist tropics, where it is found at elevations up to 1,500 metres. It grows best in areas where annual daytime temperatures are within the range 22 - 35°c, but can tolerate 13 - 38°c. It prefers a mean annual rainfall in the range 1,200 - 2,000mm, but tolerates 700 - 4,000mm.<ref name="How to plant/cultivate"/>

* [https://en.wikipedia.org/wiki/Pontederia_vaginalis Monochoria vaginalison wikipedia.org]