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Abstract Detail


Phytochemical Section

Pirone, Cary [1], Lee, David [2], Quirke, Martin [3], Kress, John [4].

Two Unique Aril Pigments in the Strelitziaceae (order: Zingiberales).

Plant pigments perform important ecological and physiological functions, yet little information is available regarding many of these compounds. Our work focuses on several unidentified pigments found in the arils of three species in the Strelitziacae, Ravenala madagascariensis, Phenakospermum guyanense, and Strelitzia nicolai. Previously, we discovered a novel blue protein pigment complex in R. madagascariensis. Here, our focus is the identification of two unusual pigments, one orange and one yellow, found in P. guyanense and S. nicolai. Chemical structures are identified using mass spectrometry (MS) and nuclear magnetic resonance spectroscopy (NMR). Structures, along with chemical properties and cellular distribution will be discussed in an evolutionary context within the order Zingiberales.


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1 - Florida International University, Deparment of Biological Sciences, 11200 SW 8th St., Miami, Florida, 33199, USA
2 - Florida International University, Dept. of Biological Sciences, 11200 SW 8th St., Miami, FL, 33199, USA
3 - Florida International University, Dept. of Chemistry and Biochemistry, 11200 SW 8th St., Miami, FL, 33199, USA
4 - Smithsonian, Botany, PO Box 37012, Washington, D.C, 20013-7012, USA

Keywords:
pigments.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Exhibit Hall (Northeast, Southwest & Southeast)/Hilton
Date: Sunday, July 8th, 2007
Time: 8:00 AM
Number: P57002
Abstract ID:2108


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