1. Department of Biochemistry, University of Karachi, Karachi, Pakistan
2. Department of Botany, University of Karachi, Karachi, Pakistan
3. Dow College of Pharmacy, Dow University of Health Sciences, Karachi, Pakistan
4. Department of Food Science & Technology, University of Karachi, Karachi, Pakistan
5. H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan