Patent for researchers at SH College Thevara
    A method for producing a dye from the corolla tubes of Nyctanthes arbor-tristis plant has been disclosed along with various embodiments. The invention includes preparation of dye solution from the said corolla tubes of Nyctanthes arbor-tristis, which is used for dyeing of yarns and for obtaining numerous colour shades using safe mordants. The invention also includes a procedure for using the said dye as a colorant in foods and drinks. Inventors Dr.M.S Francis, Tintu Jose Manicketh Dept.Of Botany Sacred Heart College Thevara Cochin Kerala-682013