Isolation and Structure of Pulcherrimine, a Novel Bitter-Tasting Amino Acid, from the Sea Urchin (Hemicentrotus pulcherrimus) Ovaries

Isolation and Structure of Pulcherrimine, a Novel Bitter-Tasting Amino Acid, from the Sea Urchin (<i>Hemicentrotus</i> <i>p</i><i>ulcherrimus</i>) Ovaries A new acidic amino acid from a Basidiomycetes, Lactarius piperatus. Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin <i>Scaphechinus </i><i>m</i><i>irabilis</i> Echinamines A and B, First Aminated Hydroxynaphthazarins from the Sea Urchin <i>Scaphechinus </i><i>m</i><i>irabilis</i> Pinnamine, an alkaloidal marine toxin, isolated from Pinna muricata Improved method for isolation of hypoglycins A and B from fruit of <i>Blighia sapida</i> New<i>N</i>-Acyl Taurine from the Sea Urchin<i>Glyptocidaris crenularis</i> Urumamide, a novel chymotrypsin inhibitor with a β-amino acid from a marine cyanobacterium Okeania sp. Obscuraminols, new unsaturated amino alcohols from the tunicate Pseudodistoma obscurum: structure and absolute configuration Séparation et caractérisation du l(−)5-méthyl 2-amino 4-hexènoïque à partir de Leucocortinarius bulbiger