1. Department of Studies in Chemistry, Mangalore University, Mangalagangothri, Karnataka, 574 199, India
2. Department of Studies in Chemistry, Industrial Chemistry Section, Mangalore University, Mangalagangothri, Karnataka, 574 199, India
3. Department of Applied Botany, Mangalore University, Mangalagangothri, Karnataka, 574 199, India
4. Department of Genetics and Plant Breeding, Agricultural College Hassan, University of Agricultural Sciences Bangalore, Karnataka, 573225, India