A new method is described for the quantification of 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA) and 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA), the main hydroxamic acids in wheat and rye extracts, respectively, in cereal extracts based on densitometry of scanned thin layer chromatographic
An improved method for the rapid and easy separation of leaf pigments and their derivatives by thin-layer chromatography
✍ Scribed by Keiji Iriyama; Masahiko Yoshiura; Masaru Shiraki; Shinji Yano; Shiro Saito
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 417 KB
- Volume
- 106
- Category
- Article
- ISSN
- 0003-2697
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✦ Synopsis
A thin-layer chromatographic method for the separation and identification of leaf pigments and their degradation products on commercial silica gel layer has been developed to give a tool to examine the purity of chlorophyll preparations and the chemical stability of chlorophyll molecules during the course of the chlorophyll preparation. It has been confirmed that the developing solvent system (isopentane:tert-butyl alcohokacetone = 9055, v/v/v) is quite useful to separate the photosynthetic pigments and their degradation products which were commonly found during the course of in vitro chlorophyll studies.
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