Extraction with water and methanol using Chromatography. Found that the extract contains amino acids, four species of New York O'Neill, Glycine, Serine and amino acids specified type is not one of a kind. If extracted with petroleum ether at 50-70 ° C was found to have a steroid-type eight-carotene and other carotenoids that are one type (Krai Gonzi's prosperity, et al. 2542; Charumani et al. 2541) studied the composition of fresh leaves Thunbergia. By extraction with hexane, ethyl alcohol and found to contain the steroid at least six species.
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