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Research Journal of Pharmacy and Technology
Year : 2019, Volume : 12, Issue : 1
First page : ( 269) Last page : ( 279)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2019.00051.9

A green approach towards utilization of Floral wastes for the extraction of Natural Colorants

Kumar Aardra V, Raj Amal, Lakshmi Amrutha, Ojha Nupur, Das Nilanjana*

Bioremediation Laboratory, Department of Biomedical Sciences, School of Bio-Science and Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India

*Corresponding Author E-mail: nilanjanamitra@vit.ac.in

Online published on 16 March, 2019.


The present study is focused on the utilization of floral wastes for the extraction of natural colorants. Waste flowers were collected from various sites of temples, garden, domestic and decorative areas and identified as Rosahybrid, Tageteserecta, Spathodeacampanulata, Bougainvilleaglabra, and Euphorbiamili. Identification and characterization of extracted colorants was done using thin layer chromatography (TLC), UV Spectroscopy and Fourier Transform Infra-red spectroscopy (FT-IR) analysis. Antimicrobial and antioxidant properties of extracted natural colorants were evaluated. Applicability of extracted colorants as natural dye and biofertilizer was also evaluated. It can be concluded that the natural colorants extracted from the floral wastes can be used in textile and pharmaceutical industries. In addition, contamination free natural colorants can also serve as safe biofertilizer.



Floral wastes, natural colorants, antimicrobial, antioxidant, natural dye, biofertilizer.


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