2,033 research outputs found
Effect of Olefins on Hydrodesulfurization of a Cracked Naphtha Reformer Feed
Chemical Engineerin
Ensuring informed consent in research with co-occurring serious mental illness and substance use disorders: The modified evaluation to sign consent
1985: Abilene Christian College Bible Lectures - Full Text
WHAT THE CHURCH NEEDS TO HEAR
Being the Abilene Christian University Annual Bible Lectures 1985
Published by A-C-U PRESS
ACU Station Abilene, Texas 7969
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Carbon and nitrogen isotopic ratios of urine and faeces as novel nutritional biomarkers of meat and fish intake
Purpose
Meat and fish consumption are associated with changes in the risk of chronic diseases. Intake is mainly assessed using self-reporting, as no true quantitative nutritional biomarker is available. The measurement of plasma fatty acids, often used as an alternative, is expensive and time-consuming. As meat and fish differ in their stable isotope ratios, δ13C and δ15N have been proposed as biomarkers. However, they have never been investigated in controlled human dietary intervention studies.
Objective
In a short-term feeding study, we investigated the suitability of δ13C and δ15N in blood, urine and faeces as biomarkers of meat and fish intake.
Methods
The dietary intervention study (n = 14) followed a randomised cross-over design with three eight-day dietary periods (meat, fish and half-meatâhalf-fish). In addition, 4 participants completed a vegetarian control period. At the end of each period, 24-h urine, fasting venous blood and faeces were collected and their δ13C and δ15N analysed.
Results
There was a significant difference between diets in isotope ratios in faeces and urine samples, but not in blood samples (KruskalâWallis test, p < 0.0001). In pairwise comparisons, δ13C and δ15N were significantly higher in urine and faecal samples following a fish diet when compared with all other diets, and significantly lower following a vegetarian diet. There was no significant difference in isotope ratio between meat and half-meatâhalf-fish diets for blood, urine or faecal samples.
Conclusions
The results of this study show that urinary and faecal δ13C and δ15N are suitable candidate biomarkers for short-term meat and fish intake
Factors relating to eating style, social desirability, body image and eating meals at home increase the precision of calibration equations correcting self-report measures of diet using recovery biomarkers: findings from the Womenâs Health Initiative
1970: Abilene Christian College Bible Lectures - Full Text
THE APOSTLESâ DOCTRINE
Being the Abilene Christian College Annual Bible Lectures 1970
Published by
ABILENE CHRISTIAN COLLEGE BOOK STORE
ACC Station Abilene, Texas 7960
1991: Abilene Christian College Bible Lectures - Full Text
PRAISING GOD: THEMES FROM THE PSALMS
Being the Abilene Christian University Annual Bible Lectures 1991
Published by ACU PRESS
1648 Campus Court Abilene, Texas 7960
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