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The Bionutrition Unit offers a variety of services to investigators with approved protocols which include nutritional components. The Director of Bionutrition Research,
, is available to assist with planning and designing the nutritional components of research protocols and can assist with implementing the protocol, recruitment/screening of research participants, and data collection and analysis of dietary intake. Ms. Darnell is a registered dietitian with significant experience and expertise. She is assisted by Suzanne Choquette, a CRU Research Dietitian, and three nutrition PhD graduate students (who are also registered dietitians).
The Metabolic Kitchen provides specially designed meals for participants on studies to meet protocol requirements. There are four research cooks and one diet technician with 50 years of combined experience preparing research meals.
for useful nutrition links. For Bionutrition Core rates, please contact
Research protocol – consultation for design, development, and implementation
Controlled feeding studies/monitoring participants on controlled diets
Body composition measurements
Energy expenditure measurements
Nutrient intake data (using the Minnesota Nutrition Data System for Research software program)
Calculated research meals for feeding studies
Meal services for other research participants
Things to consider when developing the nutrition components for a new protocol:
Type of diet (regular, therapeutic, controlled nutrient(s), research specific)
Number of subjects on diet
Number of subjects that will be fed at one time
How long the participant will be on the diet?
Are outpatient meals required?
Does the research diet need to be specially designed to meet protocol needs?
Do you need nutrition education for the participant?
Do you need analysis of research participants’ food intakes?
Do you need anthropometric measurements for the participants?
For further information please contact:
Betty Darnell, MS, RD, LD, FADA
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