APARAJITA (Leaf)
Aparajita consists of dried leaf of Clitoria ternatea Linn. (Fam. Fabacem), a perennial twining climber common all over the tropical parts of country being cultivated and also found wild, growing over hedges and thickets
SYNONYMS
Sanskrit : Girikarnika
Assamese : —
Bengali : Aparajita
English : Winged-leaved clitoria
Gujrati : Garnee
Hindi : Aparajita, Koyal
Kannada : Girikarnike
Kashmiri : —
Malayalam : Shankhpushpam
Marathi : Gokarnee
Oriya : Aparajita
Punjabi : Aparajita
Tamil : Kakkanam
Telugu : Dintena, Sankupushpam
Urdu : —
DESCRIPTION
a) Macroscopic
Drug generally occurs in the form of leaves and leaflets, rachis broken with or without intact leaflets; leaflet with small petiolule, ovate or elliptic oblong, rarely roundish, obtuse, entire, glabrous or with a few short appressed hairs, subcoriaceous, base obtuse or acute; 2.5 to 5.0 cm long, 1.8 to 3.0 cm wide, yellowish-green; no odour or taste.
b) Microscopic
Rachis– shows single layered epidermis externally covered with thick, smooth cuticle; uni to tricellular, hooked hair with warty cuticle, found on epidermis of either side; vascular bundle crescent shaped consisting of xylem and phloem; pericycle present in the form of broken ring; rest of the tissues between epidermis and pericycle composed of oval to polygonal, thin-walled, 3 to 5 layered, parenchymatous cells.
Leaflet – shows dorsiventral structure; both upper and lower epidermis consists of single layered cells, covered externally with thick cuticle; some epidermal cells of both surfaces elongate outwards forming uni to tri-cellular warty hairs, basal cells smaller and apical cells longer; palisade single layered; palisade ratio 3 or 4; spongy parenchyma 4 or 5 layered with intercellular spaces and containing a few prismatic crystals of calcium oxalate; stomata paracytic, present on both surfaces; stomatal index 58 to 64 on lower surface, 31 to 42 on upper surface; vein islet number 22 to 24; veinlet terminal number 34 to 37 per sq. mm.
Powder – Yellowish-green; shows groups of spongy parenchyma, palisade cells, fibres, xylem vessels with spiral thickenings, fragments of hairs with or without warty cuticle, wavy thin-walled, epidermal cells with paracytic stomata in surface view.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 15 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 4 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 7 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 15 per cent, Appendix 2.2.7.
T.L.C.
T.L.C. of alcoholic extract of the drug on Silica gel “G” plate using n-Butanol : Acetic Acid: Water (4:1:5) shows under UV (366 nm) three spots at Rf. 0.34 (violet). 0.59 (blue) 0.93 (red). On exposure to Iodine vapour three spots appear at Rf. 0.29. 0.54 and 0.93 (all yellow). On spraying with 5% Methanolic-Sulphuric acid reagent and heating the plate at 105°C for ten minutes three spots appear at Rf. 0.25 (brown), 0.35 (grey). and 0.59 (yellow).
CONSTITUENTS – Glycosides – Flavonal glycosides and Resin glycosides
PROPERTIES AND ACTION
Rasa : Katu, Tikta, Kasaya
Guna : Laghu
Virya : Sita
Vipaka : Katu
Karma : Medhya, Kanthya, Caksusya, Pittopadravanasini, Tridosa Samaka, Visapaha, Garahaghni
IMPORTANT FORMULATIONS – Vata Raktantaka Rasa
THERAPEUTIC USES – Sula, Sotha, Ardhavabhedaka, Bhrama, Daha, Amadosa, Graha Badha, Jvara, Kasa, Kustha, Mautradosa, Raktatisara, Svasa, Unmada, Visa, Vrana, Vamana.
DOSE – Root powder 1-3gSeed powder 1-3 gLeaf powder 2-5 g
Latest Govt Job & Exam Updates: