Neobonellin,a new biologically active pigment fromBonellia viridis |
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| Authors: | L Cariello M De Nicola Giudici L Zanetti G Prota |
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| Institution: | (1) Stazione Zoologica dell'Universitl`a, Via Mezzocannone 16, I-80121 Napoli, (Italia);(2) Istituto di Chimica Organica dell'Universitl`a, Via Mezzocannone 16, I-80121 Napoli, (Italia) |
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| Abstract: | Summary A difference of possible physiological significance is reported in the chemical nature of the green integumentary pigment of the echiuroidBonellia viridis, the proboscis of which contains the known bonellin (1, R=H) as the major constituent, while the body skin is mainly pigmented by an isoleucine conjugate, neobonellin, formulated tentatively as2 (R=H) by spectral and chemical data.A preliminary account of this work was presented at the IX Congress of Italian Society of Marine Biology, Ischia (Italy), May 19–22, 1977.This investigation was supported in part by a grant from Consiglio Nazionale delle Ricerche. |
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