Dose-response Effects of Soybean Oil in Salad Dressing on Carotenoid/Fat-soluble Vitamin Bioavailability in Salad Vegetables

Iowa State University

Status: Completed

Conditions: Biological Availability

Treatments: Other: Soybean oil in salad dressing

Study type: Interventional

Funder types: Other

Identifiers

NCT02867488

08-549

Details and patient eligibility

About

The objectives will be to evaluate the dose-response between the amount of soybean oil in salad dressing and the absorption of: 1) carotenoids, phylloquinone, and tocopherols in salad vegetables; 2) retinyl palmitate formed from the provitamin A carotenoids, alpha- and beta-carotene.

Sex: Female

Ages: 18 to 40 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• General good health as determined by interview, blood biochemistry profile, complete blood count, and plasma lipid and lipoprotein profile

Exclusion criteria

• Cigarette smoking, frequent alcohol consumption
• Use of vitamin/mineral supplements
• Lactose intolerance
• Known food allergies
• Body mass index (BMI) 30 or higher
• Eating disorder or restrained eating
• Vegetarianism
• Hyperlipidemia
• Current or planned pregnancy
• Use of hormonal contraceptives (affects chylomicron clearance); use of plant sterols or medications known to affect lipid metabolism