期刊
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
卷 103, 期 3, 页码 683-691出版社
SPRINGER
DOI: 10.1007/s10482-012-9838-4
关键词
HPLC; Indolic compounds; IAA biosynthesis
类别
资金
- Polish Ministry of Science and Higher Education [N N310 304639]
In this short technical report, we present a fast and simple procedure for sample preparation and a single-run Reversed Phase High Performance Liquid Chromatography (RP-HPLC) determination of seven indoles (indole-3-acetic acid, indole-3-acetamide, indole-3-acetonitrile, indole-3-ethanol, indole-3-lactic acid, tryptamine and tryptophan) in bacterial culture supernatants. The separation of the analytes, after a single centrifugal filtration clean-up step, was performed using a gradient elution on a symmetry C8 column followed by fluorimetric detection (lambda(ex) = 280/lambda(em) = 350 nm). The calibration curves were linear for all of the studied compounds over the concentration range of 0.0625-125 mu g mL(-1) (r (2) a parts per thousand yen 0.998) and the limits of detection were below 0.015 mu g mL(-1). The applicability of the method was confirmed by analysis of Pseudomonas putida culture supernatants.
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