Botanical Name :Pongamiapinnata. Pierre.
According To Modern
According To Ayurveda
Other Names :
Hindi name – Dithouri
English name – Indian beech
Malayalam, Tamil name – Pongum
Kannada name – Hongemara
General Information :
Habit- medium sized tree grows upto 40 ft in height. Leaves- compound, alternate leaflets are 5 to 7 , Elliptic . inflorescence – Axillary raceme. Flowers- papillionaceous, seen in fascicles of 2 to 4 on the rhachis. Standard petal is suborbicular with curved folds above the claw. Wings are obliquely oblong, slightly adnate above the claws to the obtuse keel petals which are joined near the tip. Fruits- pods, obliquely oblong, alternative both ends. Seeds are single in fruit, and reniform.
Types Of Plant’s :
Rasa-Katu, tikta, kasaya
Specific Parts :
Bark, leaf , seeds
Internal : it is deepana, pachana and yakritottejana in nature by its tikta- katurasas and ushnaveerya. Hence it should be used in agnimandya .
seed oil is wormicidal due to its teekshnaguna. It is bhedaniya by its ushna and teekshanagunas. Hence should be used in udavarta, gulma and vibhandha. Bark or leaf juice is useful in arsha being vedanasthapana.
Its leaves are lekhaniya and bhedaniya in nature by its tikta rasa and teekshanaguna. Hence they should be used in udavarta, gulma and arsha.
Its leaves baked in oil or ghee cause vatanulomana .
kalka of the bark mixed with hingu, saindhava and sauvarchala also causes vatanulomana. Its decoction used withbidalavana and pippali reduces yakritpleehavariddhi by causing lekhana and bhedana of doshas accumulated in those organs.
Formulation (Kalp) :
Leaf juice – 10 to 20 ml.
Beejachoorna – 1 to 3 gm.
Chemical Composition :
Seeds contains 27 to 39 p.c. of pongamin oil. They contain germicides called karanjin, pongamol and pongapin.
Research Corner :
A study done to investigate the effect of Petroleum ether extract of the stem bark of Pongamiapinnata (PPSB-PEE) on cardiopqathy in diabetic rats. PPSSB-PEE treatment improved the electrocardiographic, hemodynamic changes, LV contractile’ function, biological markers stress parameters and histological changes in ST2 induced diabetic rats.
Home remedies :
Kustha( Skin disease)
A pastepreapared from kustha (Saussurealappa), karanja (Pongamiapinnata ) seeds and Edagaja (Cassia tora ) is applied in kushta (skin diseases)
Granthivisarpa (A type of Herpes)
Hot paste prepared rom karanja (pongamiapinnata) bark application is very useful.
Modern Research ;
Alcoholic and acqueous extracts of the fresh bark exibit marked antibacterial activity on M. pyogenesvaraurens. The oil and its active constituent karanjinposses antibacterial properties .alcoholic extract of the oil showed activity against both gram + ve and gram – ve organisms such as Micrococcus pyogenes, Bacillus subtilis .