Abstract
Two green pigments, besides chlorophylls a and b, were observed in low concentrations in acetone extracts of green tissues of bell pepper ( Capsicum frutescens), banana peel and cucumber peel. Their absorption spectra are similar to those of the chlorophylls but with absorption maxima in the “blue” region at 418 nm and 444 nm instead of 430 nm and 454 nm. They were both Molisch phase-test negative. Their relative polarity places them between chlorophylls and chlorophyllides on a two-dimensional silica gel thin-layer chromatogram when modified Bauer's solvent systems are used.
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