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Molecular spectroscopic studies of lichen substances 1: parietin and emodin

Edwards, Howell G.M.; Newton, Emma M.; Wynn-Williams, David D.; Coombes, Steven R.. 2003 Molecular spectroscopic studies of lichen substances 1: parietin and emodin. Journal of Molecular Structure, 648 (1-2). 49-59. 10.1016/S0022-2860(02)00384-8

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Abstract/Summary

The Raman and infrared spectra of the UV-radiation protectant parietin extracted from Xanthorialichen species are reported and vibrational assignments made of key features which are important for the characterisation of parietin in situ in stress-tolerant living organisms. The spectra of parietin are compared with those of the chemically related emodin, which is of pharmaceutical interest. The key molecular vibrational bands of parietin will be used for the analysis of lichen specimens exposed to high UV-radiation stress growing on Leonie Island, Antarctica, under the ‘ozone hole’ to better understand the production of UV-protectants in controlled habitats.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/S0022-2860(02)00384-8
Programmes: BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Life at the Edge - Stresses and Thresholds
ISSN: 0022-2860
Additional Keywords: Molecular spectroscopicstudies, Parietin, Emodin, Uvstress protectant, Antarctic
NORA Subject Terms: Botany
Date made live: 03 Apr 2012 08:51
URI: http://nora.nerc.ac.uk/id/eprint/17586

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