Clinical trials: Carotenoid
Carotenoid and Flavonoid Absorption
Carotenoid and Flavonoid Absorption From Red and Tangerine-Type Tomatoes
Eating a diet rich in tomatoes has been associated with decreased risk for a variety of diseases. Tomatoes contain red-colored lycopene (one type of pigment in the class of pigments called carotenoids), which has been associated…
- Trial name
- NCT01696773
- Testing
- Tangerine tomato juice, Red tomato juice
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Night Blindness
Treatment of Congenital Stationary Night Blindness With an Alga Containing High Dose of Beta Carotene
To assess the effect of oral administration of the alga Dunaliella bardawil containing approximately 50% all-trans beta-carotene and 50% 9-cis beta-carotene isomers on visual functions patients with Congenital Stationary Night…
- Trial name
- NCT00569023
- Testing
- alga Dunaliella bardawil
- Where
- Israel
- Volunteers
- 7 people
- Sponsor
- Sheba Medical Center
Cognitive Change, Achievement
Enhancing Children's Cognitive Function and Achievement Through Carotenoid Consumption
The aim of this study is to test the casual relationship between carotenoid supplementation, cognitive function, and achievement over a school-year.
- Conditions
- Cognitive Change, Achievement, Macular Pigmentation
- Trial name
- NCT05177679
- Testing
- Active supplement
- Where
- United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Vitamin A Deficiency
Beta-carotene Absorption and Bioconversion to Vitamin A From Biofortified Cassava Gari
The goal of the research study is to determine the absorption, metabolism, and bioconversion of carotenoids such as beta-carotene to vitamin A from gari made with biofortified cassava compared to a mixture of red palm oil and…
- Trial name
- NCT02210507
- Testing
- Biofortified cassava gari, White cassava gari, White cassava gari + red palm oil
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Vasomotor Symptoms
Goji Berry and Vasomotor Symptoms Pilot Study
The goal of this clinical trial is to compare two forms of goji berry powder-whole goji berry powder and goji juice powder-in peri- and postmenopausal women aged 40-65 years who experience frequent vasomotor symptoms (hot…
- Trial name
- GOJI-VMS (NCT07660315)
- Testing
- Goji Berry Juice Powder, Goji Berry Powder
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Psoriasis
The Effect of Algae Dunaliella Bardawil on Psoriasis (2)
This is a Randomized, Double-Blind, , Placebo Controlled, 18 Week Study To Evaluate the Efficacy of adjuvant 9-cis-β-Carotene Rich powder of the Alga Dunaliella bardawil in Subjects With Plaque type Psoriasis treated by Narrow…
- Trial name
- NCT01121081
- Testing
- Alga Dunaliella Bardawil
- Where
- Israel
- Sponsor
- Sheba Medical Center
Cardiovascular Disease
Bioavailability of Carotenoids Added Into Processed Foods
Carotenoids are a family of pigments found abundantly in fruits and vegetables. They are responsible for the colour of many fruits and vegetables such as tomatoes, melon, peppers and orange coloured fruits and vegetables.
- Trial name
- CAROTFoods (NCT02246985)
- Testing
- Control, Vegetable bread only, Plain bread with vegetable mayonnaise
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Biological Availability, Carotenoids
Bioavailability of Carotenoids From Orange Juice in a Cross-over Study in Healthy Subjects.
Commercially available fruit juices are obtained after applying industrial technologies to preserve and extend the shelf-life by inactivation of microorganism and enzymes. These are traditional thermal treatment (eg.
- Conditions
- Biological Availability, Carotenoids, Lutein, Humans
- Trial name
- NCT04744233
- Testing
- Orange juice
- Where
- 2 sites in Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición
Asthma
Feasibility of Measuring Skin Carotenoid Level in an Asthma Clinic
The purpose of this study is to assess the use of a practical tool to objectively measure the fruit and vegetable intake in people with asthma.
- Trial name
- NCT06636396
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- University of Kansas Medical Center
Vitamin A Status
Bioavailability of Yellow Maize Carotenoids in Humans
The study hypothesis is that high ß-C yellow maize can provide vitamin A efficiently. list item one ß-C in yellow maize The study will use stable isotope labeled high ß-C yellow maize and vitamin A in a well-nourished population…
- Trial name
- NCT00636038
- Testing
- corn beta-carotene
- Where
- Zimbabwe
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Tufts University
Oxidative Stress, Atherosclerosis
Effect of Short-term Annatto Carotenoids Supplementation on Oxidative Stress Status in Healthy Individuals
Low-density lipoprotein (LDL) oxidation has a pivotal role in atherosclerosis development. There is a relationship between carotenoids serum concentration and cardiovascular (CV) benefits, mainly in oxidized LDL (oxLDL)…
- Trial name
- NCT03820245
- Testing
- Bixin, Norbixin, Lycopene
- Where
- Brazil
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Santa Maria
Carotenoids
Yellow Potatoes and Carotenoids
This study will assess the effects of daily intake of yellow and white potatoes on plasma lutein and zeaxanthin concentrations. Skin carotenoid levels will be assessed using the Veggie Meter.
- Trial name
- NCT07606001
- Testing
- Yellow-flesh potatoes, White-flesh potatoes
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Florida
Age-Related Macular Degeneration
Effects of Goji vs. Fiber on Macular Degeneration
The goal of this project is to conduct a clinical trial in 60 participants ranging from age 65-95 who are at risk for age-related macular degeneration (AMD).
- Trial name
- GOJI (NCT06237127)
- Testing
- Goji berry, Fiber
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Biological Availability
Bioavailability of Carotenoids Present in Mamey Sapote (Pouteria Sapota (Jacq.) H. E. Moore & Stearn) Fruit
The goal of the study is to determine if mamey sapote fruit, rich in rare potentially provitamin A keto-carotenoids, is a good source of vitamin A in humans.
- Trial name
- NCT03873909
- Testing
- Fruit Smoothie, Matrix-Free Shake
- Where
- 2 sites in Costa Rica, Germany
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Hohenheim
Healthy
Bioavailability of Golden Rice Carotenoids in Humans
This investigation protocol uses an isotope reference method to evaluate bioavailability of ß-C in rice and its bioconversion to vitamin A.
- Trial name
- NCT00680355
- Testing
- golden rice, corn oil 0g, corn oil 10g
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Tufts University