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Tracing the Path of an Ingested Plant Pigment Through the Human Body

2014-08-27 03:14:28 | BioPortfolio

Summary

This study will trace the path of a natural plant pigment, (cyanidin-3-glucoside; C3G), through the human body after consumption. C3G is the most abundant of the naturally occurring anthocyanin family of plant pigments and is responsible for the red to purple colour of many fruits and vegetables. Anthocyanins are promoted as being potentially beneficial to heart-health and also have anti-cancer properties, however little is known about how the body processes these compounds after they are eaten or how they are cleared from the digestive system. The investigators study aims to answer these questions and, in doing so, unravel how they may benefit everyone's health.

In this BBSRC funded study, 8 healthy (18-45y) male participants will be recruited to a one day feeding study (lasting 8 hours) to establish the routes of clearance of anthocyanins from the body. After consent has been obtained, participants will be screened to establish their health (by NHS clinical staff). Eligible participants will be asked to consume a low anthocyanin diet for 7 days and to attend a study day at the Clinical Research & Trials Unit (CRTU, University of East Anglia). Participants will attend in a fasted state (at least 8h of water only) and will be asked to provide a urine (total morning void) and faecal (within the previous 72h) sample. Participants will then consume a C3G capsule and blood and breath samples will be collected at regular intervals after consumption (0.5, 1, 2, 4 and 6 hours). The capsule is roughly the size of a commercial vitamin-C tablet (500mg). Participants will then return in a fasted state on the following 2 mornings to provide further urine, faeces, breath and blood samples. Low anthocyanin meals will be provided throughout the study day and on the following 2 mornings. Participants will be reimbursed for their inconvenience

Study Design

Control: Uncontrolled, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Conditions

Metabolism and Clearance of Cyanidin 3 Glucoside

Intervention

Cyanidin 3 glucoside

Location

University of East Anglia
Norwich
Norfolk
United Kingdom
NR47TJ

Status

Not yet recruiting

Source

University of East Anglia

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:14:28-0400

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A group of FLAVONOIDS derived from FLAVONOLS, which lack the ketone oxygen at the 4-position. They are glycosylated versions of cyanidin, pelargonidin or delphinidin. The conjugated bonds result in blue, red, and purple colors in flowers of plants.

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