The possibility of cultivation of Indigofera tinctoria L. plants in ecologically degraded and saline lands of the Aral Sea Basin was studied. A new salt-resistant Indigofera plant variety “Feruz-1” was producing by the classic methods of genetics and modern biotechnology. Agro-technology of cultivation as main and secondary culture after wheat was developed and recommended to the farmers of the country.The biotechnology of natural plant pigment indigo extraction has been developed and was recommended for using in different fields of industry: textile, pharmacy-pharmacology, perfume-cosmetic, architectural-decorative and food industry. Quantitative and qualitative HPLC (high pressure liquid chromatography) method of determination of plant natural indigo has been also developed.
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