Staff

Guangwen Tang, Ph.D., Laboratory Director
Scientist I and Associate Professor, Nutritional Biochemistry
Research focus: carotenoid, retinoid, and phytonutrient and human health using stable isotope labeled plants

Robert M. Russell, M.D., HNRCA Director
Senior Scientist and Professor, Medicine and Nutrition
Research focus: retinoids, carotenoids, aging, gastrointestinal function

Norman I. Krinsky, Ph.D.
Senior Scientist and Professor Emeritus, Biochemistry
Research focus: carotenoid biochemistry

Elizabeth Johnson, Ph.D.
Scientist II and Assistant Professor, Nutrition
Research focus: absorption and metabolism of carotenoid; relationships with body composition and age-related eye disease prevention

Kyung-Jin Yeum, Ph.D.
Scientist II and and Assistant Professor, Nutrition
Research focus: biomarkers of free radical damage and antioxidant defense. Functional bioavailability of phytonutrients including carotenoids

Lei Li, Ph.D., Post-Doctoral Fellow

Tawanda Muzhingi, B.S., Graduate Research Assistant

Julie Evans, B.S., Graduate Research Assistant

Jian Qin, B.S., Senior Research Technician

Raymond Cotrufo, B.A., Staff Assistant

Carotenoids & Health Laboratory

To learn more about the Carotenoids & Health Laboratory, please visit the lab's USDA/ARS webpage.*

*Note: this link will take you away from Tufts University's website and into a federal website.

Retinol Equivalence of Plant Carotenoids in Children
Learn more about this new research project.

Volunteer for a research study:
Vitamin A and Carotenoids Study: To determine the amount of vitamin A the body absorbs from a vitamin A-rich plant source known as spirulina.