The complex contents of plant extracts make the quantitative analysis of herbal drugs difficult. Routine qualitative analysis of plant extracts is mainly based on thin-layer chromatography (TLC) 1,2 . Bryophyllum pinnatum (Lam.) Kurz. (Family-Crassulaceae) is commonly known as Parnabija in Sanskrit, life plant, air plant (Mexican), love plant, canterbury bells, cathedral bells, is a perennial herb growing widely and used in folkloric medicine in tropical Africa, India, China, Australia and

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... cal America 3 . A number of active compounds, including phenols, flavonoids, glycosides, steroids, bufadienolides and organic acids, have been identified in Bryophyllum pinnatum (Lam.) Kurz. The leaves of this plant contain bryophyllin, potassium malate, ascorbic acid, malic acid and citric acid 4 . The plant is rich in both macro and micro elements, vitamins, calcium, phosphorus, ascorbic acid, inulin and other compounds like flavonoids, anthraquinones, xanthones, bryophyllin A and B 4 . In traditional medicine, the leaves of this plant have been reported to possess antimicrobial, antifungal, antiinflammatory, analgesic and antihypertensive activities. The methanol extract of the leaf of the plant has also been reported to have histamine receptor (H1) antagonism in the ileum, peripheral vasculature and bronchial muscle. Studies have shown the relative important effect of some medicinal plants on the activities of central nervous system 4 .