Colour diversification in octocorals based on conjugated polyenes: A Raman spectroscopic view

被引：22
|
作者：
Maia, Lenize F. [1 ]
de Oliveira, Vanessa E. [2 ]
Oliveira, Maria E. R. [1 ]
Reis, Felipe D. [1 ]
Fleury, Beatriz G. [3 ]
Edwards, Howell G. M. [4 ]
de Oliveira, Luiz F. C. [1 ]
机构：
[1] Univ Fed Juiz de Fora, Inst Ciencias Exatas, Dept Quim, NEEM, BR-36036330 Juiz De Fora, MG, Brazil
[2] Univ Fed Fluminense, Dept Fis & Matemat, Polo Rio Das Ostras, RJ, Brazil
[3] Univ Estado Rio De Janeiro, IBRAG, Dept Ecol, BR-20550000 Rio De Janeiro, RJ, Brazil
[4] Univ Bradford, Sch Life Sci, Bradford BD7 1DP, W Yorkshire, England
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 2013年 / 44卷 / 04期
关键词：
Raman spectroscopy; carotenoids; astaxanthin; diadinoxanthin; conjugated polyenals; octocorals; DONATOR ACCEPTOR MAP; ASTAXANTHIN PRODUCTION; ANIMAL CAROTENOIDS; BETA-CAROTENE; IN-SITU; PIGMENTS; CORALS; IDENTIFICATION; SEA; PHYTOPLANKTON;
D O I：
10.1002/jrs.4226
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Polyenic pigments in octocorals have been investigated by Raman spectroscopy using laser excitation at 532, 785 and 1064nm. The spectral features suggest the structural nature of carotenoids from Phyllogorgia dilatata, Leptogorgia punicea, Muricea atlantica, Carijoa riisei and conjugated polyenals from L. punicea, L. setacea, Muricea flamma and Renilla muelleri. The observed vibrational bands at ca. 15401520 1(C=C), 1159 2(CC) and 1005cm1 3(CCH3) were assigned to carotenoids, whereas the identification of non-methylated conjugated polyenals have been proposed due to two major Raman bands at ca. 1500 and 1120cm-1, assigned to (C=C) and (CC), respectively. Copyright (c) 2012 John Wiley & Sons, Ltd.
引用
收藏
页码：560 / 566
页数：7
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