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The first total synthesis of selligueain A (4), a plant-derived sweet polyphenol, has been achieved. The key step was the de novo… Expand The neotropical bracken fern Pteridium arachnoideum (Kaulf.) Maxon. (Dennstaedtiaceae) is described as an aggressive pioneer… Expand Proanthocyanidins from the rhizomes of Selliguea feei (PSFs) were solvent-extracted and fractionated by Sephadex LH-20 column… Expand The expert structure-activity relational system CASE/MULTICASE was used to obtain an assessment of the possible carcinogenicity… Expand Selligueain A, a novel sweet trimeric proanthocyanidin with a doubly linked A unit, has been isolated from the rhizomes of… Expand