Evaluation of the turmeric (Curcuma longa L.) based on the flow-injection analysis with ultraviolet and fluorometric detections

被引：13
|
作者：
Inoue, K [1 ]
Yoshimura, Y [1 ]
Nakazawa, H [1 ]
机构：
[1] Hoshi Univ, Dept Analyt Chem, Fac Pharmaceut Sci, Shinagawa Ku, Tokyo 1428501, Japan
来源：
ANALYTICAL LETTERS | 2001年 / 34卷 / 10期
关键词：
turmeric; curcumin; flow-injection analysis; fluorometric detection;
D O I：
10.1081/AL-100105354
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new method for the evaluation of the turmeric food colorants (Curcuma longa L.) of the powdered yellow pigments, based on the flow-injection analysis system with on-line ultraviolet detection (UV) and fluorometric detection (FL), is described. The limits of detection were calculated according to IUPAC that UV was 30.0 ng/ml and FL was 2.0 ng/ml. The linearities of the calibration graphs for curcumin had correlation coefficients exceeding 0.999. Proposed method thus could be useful for a routine determination of curcuminoids at a roughly estimation using curcumin standard. The aim of this study is to establish the simple and accurate method for the determination of the turmeric food colorants.
引用
收藏
页码：1711 / 1718
页数：8
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