Penpan Wetwitayaklung

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Cork tree, (Sonneratia caseolaris L.), family Sonneratiaceae, is a typical plant in mangroves. It is widespread in tropical and subtropical tideland throughout the World. It is reported to possess many medicinal properties. For searching new pharmacological activities of Cork tree, the total phenolic contents, antioxidant activities and the electric eel(More)
Three new alkaloids, 3(R)-benzoyloxy-2(R)-methyl-6(R)-(11'-oxododecyl)-piperidine (3), 5-hydroxy-2-methyl-6-(11'-oxododecyl)-pyridine (4) and 5-hydroxy-2-methyl-6-(11'-oxododecyl)-pyridine N-oxide (5), together with a known alkaloid, (-)-cassine (1), were isolated from the flowers of Senna spectabilis. A derivative, N,O-diacetylcassine (2), was(More)
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