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Variability in commercial ginseng products: an analysis of 25 preparations
Ginseng ginsenosides eleutherosides
2016/6/13
Because dietary supplements are not subject to
the same regulations that pharmaceuticals are, there is concern
among medical professionals that these products may lack purity
or potency.
Heart rate variability and fatty acid content of blood cell membranes: a dose-response study with n−3 fatty acids
sudden cardiac death cardiac arrest ventricular arrhythmias
2016/6/1
Dietary intake of long-chain n23 polyunsaturated
fatty acids (PUFA) may protect against sudden cardiac
death, an event that may be predicted by measurement of heart
rate variability (HRV).
Variability of measured resting metabolic rate
variability indirect calorimetry reliability
2017/1/4
We compared RMR measurements obtained in the morning and afternoon and across repeated days to elucidate the magnitude and sources of variability.
Variability in conversion of β-carotene to vitamin A in men as measured by using a double-tracer study design
Carotene vitamin A activity β-carotene retinol stable isotope tracer men
2016/12/17
Background: The vitamin A activity of β-carotene is variable and surprisingly low in women. The reasons for this are not well understood. The vitamin A activity of β-carotene in men is still unce...
Variability of the conversion of b-carotene to vitamin A in women measured by using a double-tracer study design
Carotene vitamin A b-carotene absorption, metabolism stable isotope tracer women
2016/6/7
Background: Blood b-carotene and vitamin A responses to oral
b-carotene are variable in humans. Some individuals are characterized
as responders and others as low- or nonresponders. A better
unders...