1. Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, Rutgers State University, New Brunswick, NJ 08901, USA
2. Department of Chemistry and Chemical Biology, Rutgers State University, Piscataway, NJ 08854, USA
3. Department of Chemistry, University of California, Riverside, CA 92521, USA
4. Department of Biomolecular Sciences, Kingston University, Kingston upon Thames KT1 1LQ, UK