
doi: 10.1007/bf00575777
The finely ground fruit mass was dewatered with sodium sulfate and ethanol. The pigments were extracted with petroleum ether until the extracts ceased to become colored. The resulting solution of carotenoids was washed with 5% sodium hydroxide solution. The carotenoid extract, after it had been washed free from alkali and dried with anhydrous sodium sulfate, was separated first with the aid of column chromatography and then by thin-layer chromatography. The individual carotenoids that had been isolated and purified were investigated on anSF-4A spectrophotometer.
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