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Figure 1: Preparation of T. diversifolia extracts. Dry leaves of T. diversifolia were first extracted with ethyl acetate as Td-L-EA fraction after subjecting to freeze-drying process. To fractionate, Td-L-EA powder was then dissolved in n-hexane-ethyl acetate (8:2→0:1) or methanol (Td-F1 to Td-F6) and chromatographed as described in “Materials and Methods” section. |
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